initial

.gitignore

+/build/
+/bin/
+.gradle
+.settings
+.idea
+.lck
+.project
+.classpath
+gradle/

build.gradle

+group 'com.ipgallery.common'
+version '1.0.0'
+
+apply plugin: 'java'
+apply plugin: 'maven-publish'
+
+sourceCompatibility = 1.8
+
+repositories {
+    //mavenCentral()
+    maven { url "http://172.16.1.132:8081/repository/internal" }
+    maven { url "http://mandubian-mvn.googlecode.com/svn/trunk/mandubian-mvn/repository" }
+}
+
+dependencies {
+    compile 'log4j:log4j:1.2.17'
+    compile 'commons-io:commons-io:2.0.1'
+    compile 'redis.clients:jedis:2.4.2'
+    compile 'com.fasterxml.jackson.core:jackson-databind:2.2.3'
+    compile 'com.googlecode.libphonenumber:libphonenumber:5.8'
+    compile 'com.google.gdata:gdata-core-1.0:1.36.0'
+    compile 'org.apache.httpcomponents:httpclient:4.1'
+    compile 'org.apache.httpcomponents:httpmime:4.1'
+    compile 'javax.ws.rs:javax.ws.rs-api:2.0'
+    compile 'com.ipgallery.common:itc:1.0.0'
+
+    testCompile group: 'junit', name: 'junit', version: '4.11'
+}
+
+publishing {
+    publications {
+
+        repositories.maven {
+            url 'http://172.16.1.132:8081/repository/internal'
+            credentials {
+                username "admin"
+                password "giptmgr1"
+            }
+        }
+        mavenJava(MavenPublication) {
+            //artifactId 'group-service'
+            from components.java
+        }
+    }
+}
\ No newline at end of file

gradlew

+#!/usr/bin/env bash
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn ( ) {
+    echo "$*"
+}
+
+die ( ) {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+esac
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+        PRG="$link"
+    else
+        PRG=`dirname "$PRG"`"/$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+        JAVACMD="$JAVA_HOME/bin/java"
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD="java"
+    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+    MAX_FD_LIMIT=`ulimit -H -n`
+    if [ $? -eq 0 ] ; then
+        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+            MAX_FD="$MAX_FD_LIMIT"
+        fi
+        ulimit -n $MAX_FD
+        if [ $? -ne 0 ] ; then
+            warn "Could not set maximum file descriptor limit: $MAX_FD"
+        fi
+    else
+        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+    fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin, switch paths to Windows format before running java
+if $cygwin ; then
+    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
+
+    # We build the pattern for arguments to be converted via cygpath
+    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+    SEP=""
+    for dir in $ROOTDIRSRAW ; do
+        ROOTDIRS="$ROOTDIRS$SEP$dir"
+        SEP="|"
+    done
+    OURCYGPATTERN="(^($ROOTDIRS))"
+    # Add a user-defined pattern to the cygpath arguments
+    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+    fi
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    i=0
+    for arg in "$@" ; do
+        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
+
+        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
+            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+        else
+            eval `echo args$i`="\"$arg\""
+        fi
+        i=$((i+1))
+    done
+    case $i in
+        (0) set -- ;;
+        (1) set -- "$args0" ;;
+        (2) set -- "$args0" "$args1" ;;
+        (3) set -- "$args0" "$args1" "$args2" ;;
+        (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+    esac
+fi
+
+# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
+function splitJvmOpts() {
+    JVM_OPTS=("$@")
+}
+eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
+JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+
+exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"

gradlew.bat

+@if "%DEBUG%" == "" @echo off
+@rem ##########################################################################
+@rem
+@rem  Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS=
+
+set DIRNAME=%~dp0
+if "%DIRNAME%" == "" set DIRNAME=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if "%ERRORLEVEL%" == "0" goto init
+
+echo.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto init
+
+echo.
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:init
+@rem Get command-line arguments, handling Windowz variants
+
+if not "%OS%" == "Windows_NT" goto win9xME_args
+if "%@eval[2+2]" == "4" goto 4NT_args
+
+:win9xME_args
+@rem Slurp the command line arguments.
+set CMD_LINE_ARGS=
+set _SKIP=2
+
+:win9xME_args_slurp
+if "x%~1" == "x" goto execute
+
+set CMD_LINE_ARGS=%*
+goto execute
+
+:4NT_args
+@rem Get arguments from the 4NT Shell from JP Software
+set CMD_LINE_ARGS=%$
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
+
+:end
+@rem End local scope for the variables with windows NT shell
+if "%ERRORLEVEL%"=="0" goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+exit /b 1
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega

settings.gradle

+rootProject.name = 'utils'
+rootProject.name = 'utils'
+

src/main/java/common/CacheClient.java

+package utils.common;
+
+public interface CacheClient
+{
+	/**
+	 * set/update with the default expiration
+	 * @param key
+	 * @param value
+	 */
+	public void   set(String key, String value); 
+	public void   set(String key, String value, int expiration);
+	public void   setExpiration(String key, int expiration);
+	public String get(String key);
+	public void   delete(String key);
+	public void   deleteByPattern(String pattern);
+	public String[]   getByPattern(String pattern);
+
+}

src/main/java/common/ConfigFile.java

+package utils.common;
+
+import java.util.Map.Entry;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.Properties;
+import java.util.logging.Level;
+
+public class ConfigFile {
+
+	private SimpleLogger m_Log = null;
+	private Properties m_Props = null;
+	/* 
+	 * constructor 
+	 **/
+	public ConfigFile(SimpleLogger Log) {
+		this.m_Log = Log;
+	}
+		
+	/*
+	 * Initialize
+	 */
+	public boolean Initialize(String cfgName, String cfgPath) {
+		
+	m_Props = new Properties();
+    try
+    {
+        // read the configuration file name
+        String cfgFile = cfgPath + "/" + cfgName;   
+        InputStream is = new FileInputStream(cfgFile);
+
+        // load the properties file
+        m_Props.load(is);
+        PrintPropertiesToLogFile();
+        return true;
+       
+    } catch (IOException e) {
+    	m_Log.log(Level.SEVERE, "Failed to initialized config file: " +  cfgName + " e:" +  e.getMessage().toString());
+        return false;
+    } 
+	}
+		
+	public void PrintPropertiesToLogFile()
+	{
+		for(Entry<Object, Object> prop : m_Props.entrySet()) {		
+			String logMsg = "ConfigProperty[" + prop.getKey().toString() + "=" + prop.getValue().toString() + "]";
+			m_Log.log(Level.INFO, logMsg);
+		}		
+	}	
+	
+	public String getProperty(String propKey) {
+		
+		return m_Props.getProperty(propKey);
+	}	
+
+	public int getPropertyAsInt(String propKey) {
+		
+		String strValue = m_Props.getProperty(propKey);
+		if (strValue != null) {
+			return Integer.parseInt(strValue);
+		}
+		return -1;
+	}				
+	
+	
+}

src/main/java/common/General.java

+package utils.common;
+
+import java.sql.Timestamp;
+import java.text.DateFormat;
+import java.text.SimpleDateFormat;
+import com.google.i18n.phonenumbers.PhoneNumberUtil;
+import com.google.i18n.phonenumbers.PhoneNumberUtil.PhoneNumberFormat;
+import com.google.i18n.phonenumbers.PhoneNumberUtil.PhoneNumberType;
+import com.google.i18n.phonenumbers.Phonenumber.PhoneNumber;
+
+import com.google.gdata.util.common.base.PercentEscaper;
+
+public class General
+{
+	public static final String C_SIP_SCHEME = "sip:";
+	
+    private static PercentEscaper pes = new PercentEscaper(PercentEscaper.SAFECHARS_URLENCODER, false);
+    private static PhoneNumberUtil phoneUtil = PhoneNumberUtil.getInstance();
+    
+    private static final ThreadLocal<DateFormat> DF = new ThreadLocal<DateFormat>(){
+    	private static final String DATE_FORMAT = "dd/MM/yy HH:mm:ss";
+		@Override
+		protected DateFormat initialValue() {
+			return new SimpleDateFormat(DATE_FORMAT);
+		}
+	};	
+
+    
+	public static String encodeURL(String strToEncode)
+    {
+    	return pes.escape(strToEncode);
+    }
+
+	/**
+	 * this is are placement for Math.abs since for Integer.MIN_VALUE
+	 * we get negative result
+	 * @param x
+	 * @return
+	 */
+	public static int abs(int x) 
+	{
+	    if (x == Integer.MIN_VALUE) {
+	    	return 0;
+	    }
+	    return Math.abs(x);
+	}
+
+//	public static long abs(long x)
+//	{
+//		if (x == Long.MIN_VALUE) {
+//	    	return 0;
+//	    }
+//	    return Math.abs(x);
+//	}
+//	
+	
+	/**
+     * Retrieve only the SubId part from a full name in the format SubId@HostName.
+     * If the full name lacks '@' character, it is returned whole.
+     * @param fullName
+     * @return SubId part 
+     */
+    public static String extractUserPartFromUri(final String fullName)
+    {
+    	String user = null;
+    	int atIndex = fullName.indexOf('@');
+    	if (atIndex != -1)
+    		user = fullName.substring(0, atIndex);
+    	else
+    		user = fullName;
+    	/*
+    	 * searching for '<'
+    	 */
+    	atIndex = user.indexOf('<');
+    	if (atIndex != -1)
+    		user = user.substring(atIndex+1);
+    	
+    	return user;
+    }
+    
+    public static String extractUserPartFromSipUri(final String sipUri)
+    {
+    	String uri = null;    	
+    	if (sipUri != null) {
+        	if (sipUri.startsWith(C_SIP_SCHEME))
+        		uri = extractUserPartFromUri(sipUri.substring(C_SIP_SCHEME.length()));
+        	else
+        		uri = extractUserPartFromUri(sipUri);    		
+    	}   
+    	return uri;
+    }
+
+	public static String format (Timestamp date) {
+		return DF.get().format(date);
+	}
+
+	/**
+	 * Returns true if all characters in the given string are numeric digits.
+	 * @param str
+	 */
+	public static boolean IsNumber(String str) {
+		if ( str != null && !str.isEmpty() ) {
+			for (int i=0; i<str.length(); i++)
+				if ( (str.charAt(i)<'0') || (str.charAt(i)>'9') )
+					return false;
+			
+			return true;
+		}
+		
+		return false;
+	}
+
+	/*
+	 * remove start and end signs from String
+	 * NOTE: the startSign has to be the first char in the Sting
+	 */
+	public static String removeSigns(String str, char startSign, char endSign)
+	{
+		if (str.charAt(0) == startSign)
+		{
+			int iOffset = str.indexOf(endSign,1);
+			if (iOffset == -1)
+				iOffset = str.length();
+			return str.substring(1, iOffset);
+		}
+		return str;
+	}
+
+	public static String getE164Number(String number, String defaultCountry, boolean bWithPlus)
+	{
+		boolean isNumberValid = false;
+		String e164Number = null;
+		try {
+			PhoneNumber phoneNumber = phoneUtil.parseAndKeepRawInput(number, defaultCountry);
+			isNumberValid = phoneUtil.isValidNumber(phoneNumber);
+			e164Number = isNumberValid ? phoneUtil.format(phoneNumber, PhoneNumberFormat.E164) : null;
+			if (!bWithPlus && e164Number.charAt(0) == '+')
+				e164Number = e164Number.substring(1);
+		} catch (Exception e)
+		{
+
+		}
+		return e164Number;
+	}
+}

src/main/java/common/JsonHandler.java

+package utils.common;
+
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.DeserializationFeature;
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.ObjectReader;
+import com.fasterxml.jackson.databind.SerializationFeature;
+
+public class JsonHandler {
+	
+	private static final Log4jHandler logger = new Log4jHandler(JsonHandler.class.getName());
+	
+	private static final ObjectMapper SORTED_MAPPER = new ObjectMapper();
+	static {
+		SORTED_MAPPER.configure(SerializationFeature.ORDER_MAP_ENTRIES_BY_KEYS, true);
+		SORTED_MAPPER.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
+	}	
+
+	public static String getObjectAsJsonString(Object obj) {
+		String objString = null;
+		try {			
+			objString = SORTED_MAPPER.writeValueAsString(obj);
+		} catch (JsonProcessingException e) {
+			// TODO Auto-generated catch block
+			logger.error("in getObjectAsJsonString", e);
+		}		
+		return objString;
+	}   
+	
+	public static Object readObjectFromString(String jsonStr, Class<?> ObjClass) {
+		Object obj = null;
+		try {
+	         obj = SORTED_MAPPER.readValue(jsonStr, ObjClass);
+	    } 
+		catch(Exception ex) {	        
+	    }
+		return obj;
+	}	
+//	public static <T> T readObjectFromString(String jsonStr, Class<T> ObjClass) {
+//		T obj = null;
+//		try {
+//	         obj = SORTED_MAPPER.readValue(jsonStr, ObjClass);
+//	    } 
+//		catch(Exception ex) {	        
+//	    }
+//		return obj;
+//	}	
+	
+	public static String jsonNode2String(final JsonNode node) {
+	    Object obj;
+	    String json = null;
+		try {
+			obj = SORTED_MAPPER.treeToValue(node, Object.class);
+			json = SORTED_MAPPER.writeValueAsString(obj);
+		} catch (JsonProcessingException e) {
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+		}	    
+	    return json;
+	}	
+
+	public static String getParamString(JsonNode jsonNode, String name) {
+		if (jsonNode != null) {
+			JsonNode jn = jsonNode.path(name);
+			if (!jn.isMissingNode()) {
+				return General.removeSigns(jn.toString(), '"', '"');
+			}
+		}
+		return null;
+	}
+
+	public static Long getParamLong(JsonNode jsonNode, String name) {
+		if (jsonNode != null) {
+			JsonNode jn = jsonNode.path(name);
+			if (!jn.isMissingNode() && jn.isNumber()) {
+				return new Long(jn.longValue());
+			}
+		}
+		return null;
+	}
+
+	public static Integer getParamInt(JsonNode jsonNode, String name) {
+		if (jsonNode != null) {
+			JsonNode jn = jsonNode.path(name);
+			if (!jn.isMissingNode() && jn.isNumber()) {
+				return new Integer(jn.intValue());
+			}
+		}
+		return null;
+	}
+
+	public static Boolean getParamBool(JsonNode jsonNode, String name) {
+		if (jsonNode != null) {
+			JsonNode jn = jsonNode.path(name);
+			if (!jn.isMissingNode() && jn.isBoolean()) {
+				return new Boolean(jn.booleanValue());
+			}
+		}
+		return null;
+	}
+
+	public static Object getObject(JsonNode jsonNode, String name, Class<?> objClass) {
+		ObjectReader objectReader = SORTED_MAPPER.reader(objClass);			
+		if (jsonNode != null && !(jsonNode.isNull()) && !(jsonNode.isMissingNode()) && objectReader != null) {
+			
+			JsonNode jn = jsonNode.path(name);
+			if (!jn.isMissingNode()) {
+				try {
+					return objectReader.readValue(jn);
+				} catch (Exception e) {
+
+				}
+			}
+		}
+		return null;
+	}
+
+	public static Object getNodeAsObject(JsonNode jsonNode, Class<?> objClass) {
+		ObjectReader objectReader = SORTED_MAPPER.reader(objClass);				
+		if (jsonNode != null && !(jsonNode.isNull()) && !(jsonNode.isMissingNode()) && objectReader != null) {
+			try {
+				return objectReader.readValue(jsonNode);
+			} catch (Exception e) {
+
+			}
+		}
+		return null;
+	}
+	
+	public static JsonNode getJsonNodeFromObject(Object obj){
+		JsonNode node = null;
+	
+		try{
+			node = SORTED_MAPPER.valueToTree(obj);
+		}catch (Exception e) {
+
+		}
+		return node;
+	}	
+	
+	public static JsonNode getJsonNodeFromString(String jsonString){
+		JsonNode node = null;
+	
+		try{
+			node = SORTED_MAPPER.readTree(jsonString);
+		}catch (Exception e) {
+
+		}
+		return node;
+	}	
+}

src/main/java/common/Log4jFileAlterationListenerImpl.java

+package utils.common;
+
+import java.io.File;
+import java.util.Date;
+import org.apache.commons.io.monitor.FileAlterationListener;
+import org.apache.commons.io.monitor.FileAlterationObserver;
+/**
+ * @author ziv
+ *
+ */
+public class Log4jFileAlterationListenerImpl implements FileAlterationListener {
+ 
+	Log4jHandler logger = new Log4jHandler(Log4jFileAlterationListenerImpl.class.getName());
+	
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public void onStart(final FileAlterationObserver observer) {
+//    	logger.debug("The WindowsFileListener has started on " + observer.getDirectory().getAbsolutePath());
+    }
+ 
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public void onDirectoryCreate(final File directory) {
+//    	logger.debug(directory.getAbsolutePath() + " was created.");
+    }
+ 
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public void onDirectoryChange(final File directory) {
+//    	logger.debug(directory.getAbsolutePath() + " was modified");
+    }
+ 
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public void onDirectoryDelete(final File directory) {
+//    	logger.debug(directory.getAbsolutePath() + " was deleted.");
+    }
+ 
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public void onFileCreate(final File file) {
+//        logger.debug(file.getAbsoluteFile() + " was created.");
+//        logger.debug("----------> length: " + file.length());
+//        logger.debug("----------> last modified: " + new Date(file.lastModified()));
+//        logger.debug("----------> readable: " + file.canRead());
+//        logger.debug("----------> writable: " + file.canWrite());
+//        logger.debug("----------> executable: " + file.canExecute());
+    }
+ 
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public void onFileChange(final File file) {
+    	String fileName = file.getAbsolutePath();
+    	if ( !fileName.endsWith("~") ) 
+    	{//don't allow changes from the linux automatic backup file
+//    		logger.debug(fileName + " was modified.");
+//    		logger.debug("----------> length: " + file.length());
+//    		logger.debug("----------> last modified: " + new Date(file.lastModified()));
+//    		logger.debug("----------> readable: " + file.canRead());
+//    		logger.debug("----------> writable: " + file.canWrite());
+//    		logger.debug("----------> executable: " + file.canExecute());
+    		try {
+    			org.apache.log4j.xml.DOMConfigurator.configure(fileName);
+    	        logger.warning( "Log4j configuration has been reloaded from file < "+ fileName + " >.");
+    		}catch(Exception e) {
+    			logger.debug("Failed to load XML File with exception: " + e);
+    		}
+    	}
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public void onFileDelete(final File file) {
+//        logger.debug(file.getAbsoluteFile() + " was deleted.");
+    }
+ 
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public void onStop(final FileAlterationObserver observer) {
+//        logger.debug("The WindowsFileListener has stopped on " + observer.getDirectory().getAbsolutePath());
+    }
+    
+}

src/main/java/common/Log4jFileChangeListener.java

+package utils.common;
+
+import java.io.File;
+
+//import Util.Log4jHandler;
+
+import org.apache.commons.io.monitor.FileAlterationMonitor;
+import org.apache.commons.io.monitor.FileAlterationObserver;
+
+/**
+ * @author ziv
+ *
+ */
+public class Log4jFileChangeListener{
+
+	private ListenThread listenThread = null;
+//	static final Log4jHandler logger;
+	private static 	Log4jFileChangeListener sInstance = null;
+
+	private final static String LOG4J_CONF_FILE_PATH;
+	static {
+		LOG4J_CONF_FILE_PATH = System.getProperty("log4j.conf.file.path", "/logs/conf/log4j.xml");
+//		logger = new Log4jHandler(Log4jFileChangeListener.class.getName());
+	}
+
+	public class ListenThread extends Thread
+	{
+		public ListenThread(String log4jConfFilePath)
+		{
+			super();
+
+			if ( log4jConfFilePath.endsWith(".xml") )
+				log4jConfFilePath = log4jConfFilePath.substring(0, log4jConfFilePath.lastIndexOf('/'));
+
+			final File directory = new File(log4jConfFilePath);
+
+			FileAlterationObserver fao = new FileAlterationObserver(directory);
+			fao.addListener(new Log4jFileAlterationListenerImpl());
+			final FileAlterationMonitor monitor = new FileAlterationMonitor();
+			monitor.addObserver(fao);
+			System.out.println("Starting monitor. CTRL+C to stop.");
+//			logger.info("Starting monitor. CTRL+C to stop.");
+			
+			try {
+				monitor.start();
+			} catch (Exception e) {
+				System.out.println("Could not start log4j config file monitor with exception : " + e);
+//				logger.info("Could not start log4j config file monitor with exception : " + e);
+			}
+
+			Runtime.getRuntime().addShutdownHook(new Thread(new Runnable() {
+
+				@Override
+				public void run() {
+					try {
+						System.out.println("Stopping monitor.");
+//						logger.info("Stopping monitor.");
+						monitor.stop();
+					} catch (Exception ignored) {
+					}
+				}
+			}));
+		}
+
+		@Override
+		public void run()
+		{
+			try
+			{
+
+			} catch (Exception e)
+			{
+				System.out.println(e.toString());
+//				logger.info(e.toString());
+
+			}
+
+		}
+
+		@Override
+		public void destroy()
+		{
+		}
+
+
+
+	}
+
+	public synchronized static void createInstance()
+	{
+		if (sInstance == null)
+			sInstance = new Log4jFileChangeListener();
+	}
+
+	public static Log4jFileChangeListener getInstance()
+	{
+		if (sInstance == null)
+			createInstance();
+		return sInstance;
+	}
+
+	/**
+	 * starting the listen thread 
+	 */
+	public synchronized void start(String log4jConfFilePath)
+	{
+		String filePath;
+		if ( log4jConfFilePath != null && log4jConfFilePath.length() > 0)
+			filePath = log4jConfFilePath;
+		else
+			filePath = LOG4J_CONF_FILE_PATH;
+
+		if (listenThread == null)
+		{
+			System.out.println("staring Log4jFileChangeListener thread...");
+//			logger.info("staring Log4jFileChangeListener thread...");
+			listenThread = new ListenThread( filePath );
+			listenThread.start();
+		}
+	}
+
+	/**
+	 * stopping the listen thread
+	 */
+	public synchronized void stop()
+	{
+		if (listenThread != null)
+		{
+			System.out.println("stopping Log4jFileChangeListener thread...");
+//			logger.info("stopping Log4jFileChangeListener thread...");
+			listenThread.destroy();
+			listenThread = null;
+		}
+	}
+}
+
+
+

src/main/java/common/Log4jFileMonitor.java

+package utils.common;
+
+import java.io.File;
+
+import org.apache.commons.io.monitor.FileAlterationMonitor;
+import org.apache.commons.io.monitor.FileAlterationObserver;
+/**
+ * @author ziv
+ *
+ */
+public class Log4jFileMonitor{ 
+	
+	public static void main(String filePath) throws Exception {
+		 
+        // Change this to match the environment you want to watch.
+        final File directory = new File(filePath);
+        
+        FileAlterationObserver fao = new FileAlterationObserver(directory);
+        fao.addListener(new Log4jFileAlterationListenerImpl());
+        final FileAlterationMonitor monitor = new FileAlterationMonitor();
+        monitor.addObserver(fao);
+        System.out.println("Starting monitor. CTRL+C to stop.");
+        monitor.start();
+ 
+        Runtime.getRuntime().addShutdownHook(new Thread(new Runnable() {
+ 
+            @Override
+            public void run() {
+                try {
+                    System.out.println("Stopping monitor.");
+                    monitor.stop();
+                } catch (Exception ignored) {
+                }
+            }
+        }));
+    }
+	
+}

src/main/java/common/Log4jHandler.java

+package utils.common;
+
+import org.apache.log4j.Level;
+import org.apache.log4j.LogManager;
+import org.apache.log4j.Logger;
+
+
+/**
+ * This class wraps the Log4jWrapper class.
+ * It adds the calling class name to all log messages without any stackTrace calls. 
+ * It handles a single log file - fit for products with one log file. 
+ * It enables all the log4j regular APIs, 
+ * @author ziv
+ *
+ */
+public class Log4jHandler{
+
+	Logger classLogger;
+	
+	protected String projectName = "Main"; //default value
+	
+	private static Log4jWrapper log4jWrapper = null;
+
+	private static Log4jFileChangeListener fileChangeListener = null;
+	
+	boolean bFirst = false;
+
+	/**
+	 * Constructor for the log handler 
+	 * @param className - name of the class declaring Log4jWrapper for the log messages.
+	 * This constructor inits the logger with all values from the log4j.properties file.  
+	 */
+	public Log4jHandler(String className){
+		if (log4jWrapper == null)
+			bFirst = true;
+		
+		log4jWrapper = Log4jWrapper.getInstance();
+		if ( className != null && className.length() > 0 )
+		{
+			classLogger = LogManager.getLogger(className);
+			
+			fileChangeListener = Log4jFileChangeListener.getInstance();
+			
+			if ( bFirst )//init first time only
+			{
+				//if ("mcz.util.InitContextListener".equals(className) || "mcz.web.MczSessionListener".equals(className))
+					//return;//don't init first time from InitContextListener as config.properties isn't loaded yet. 
+
+				log4jWrapper.init();
+				
+				fileChangeListener.start(null);
+				
+				this.info("logger for class " + className + " of the main project has initialized successfully and prints in file " + log4jWrapper.getFileName());
+			}
+			else
+				this.info("logger for class " + className + " of the main project has been added as a client to print in file " + log4jWrapper.getFileName());		
+		}
+	}
+	
+	/**
+	 * Constructor for the log handler 
+	 * @param projectName - name of the project printed in the file. Use this if you need a different project name than the default name.
+	 * @param className - name of the class declaring Log4jWrapper for the log messages.
+	 * This constructor inits the logger with default level of DEBUG (all logs are printed), and
+	 * with the log file path defined in config.properties under log4j.dir.path.  
+	 */
+	public Log4jHandler(String projName, String className){
+		if (log4jWrapper == null)
+			bFirst = true;
+
+		if ( projName != null && projName.length() > 0 )
+		{
+			projectName = projName; 
+			log4jWrapper = Log4jWrapper.getInstance();
+			if ( className != null && className.length() > 0 )
+			{
+				classLogger = LogManager.getLogger(className);
+				
+				if ( bFirst )//init first time only
+				{
+					log4jWrapper.init();
+					this.info("logger for class " + className + " of project " + projectName + " has initialized successfully and prints in file " + log4jWrapper.getFileName());
+				}
+				else
+					this.info("logger for class " + className + " of project " + projectName + " has been added as a client to print in file " + log4jWrapper.getFileName());		
+			}
+		}
+
+	}
+	
+
+	/**
+	 * Constructor for the log handler - this is the API to the log for all classes. 
+	 * @param projectName - name of the log file to be printed.
+	 * @param className - name of the class declaring ProductLog4jWrapper for the log messages.
+	 * @param severityLevel - must supply a valid level.
+	 * @param logPath - supply a valid path or 'null' to get the log file path defined in config.properties under log4j.dir.path.  
+	 */
+	public Log4jHandler(String projName, String className, Level severityLevel, String logPath){
+		if (log4jWrapper == null)
+			bFirst = true;
+		
+		if ( projName != null && projName.length() > 0 )
+		{
+			projectName = projName; 
+			log4jWrapper = Log4jWrapper.getInstance();
+			if ( className != null && className.length() > 0 )
+			{
+				classLogger = LogManager.getLogger(className);
+				
+				if ( bFirst )//init first time only
+				{
+					if ( logPath != null && logPath.length()>0 )
+						log4jWrapper.init(logPath, severityLevel);
+					else 
+					{//init with the config.properties log path
+						log4jWrapper.init();
+						//log4jWrapper.setSeverityLevel(severityLevel);
+					}
+
+					this.info("logger for class " + className + " of project " + projectName + " has initialized successfully and prints in file " + log4jWrapper.getFileName());
+				}
+				else
+					this.info("logger for class " + className + " of project " + projectName + " has been added as a client to print in file " + log4jWrapper.getFileName());
+			}
+		}
+	}
+	
+	public void log(Level level, String msg)
+	{
+		log4jWrapper.log(level, msg, classLogger);
+	}
+	
+	public void log(Level level, String msg, Exception e)
+	{
+		log4jWrapper.log(level, msg, e, classLogger);
+	}
+
+	
+	/**
+	 * Sends a FATAL log message
+	 * Levels: * FATAL *, error, warn, info, debug, trace
+	 */
+	public void fatal(String msg)
+	{
+		log(Level.FATAL, msg);
+	}
+	public void fatal(String msg, Exception e)
+	{
+		log(Level.FATAL, msg, e);
+	}
+
+	/**
+	 * Sends a FATAL log message
+	 * For backwards compatibility only. Use fatal(msg) instead. 
+	 */
+	public void severe(String msg)
+	{
+		log(Level.FATAL, msg);
+	}
+	public void severe(String msg, Exception e)
+	{
+		log(Level.FATAL, msg, e);
+	}
+
+	/**
+	 * Sends an ERROR log message
+	 * Levels: fatal, * ERROR *, warn, info, debug, trace
+	 */
+	public void error(String msg)
+	{
+		log(Level.ERROR, msg);
+	}
+	public void error(String msg, Exception e)
+	{
+		log(Level.ERROR, msg, e);
+	}
+
+	/**
+	 * Sends a WARN log message
+	 * Levels: fatal, error, * WARN *, info, debug, trace
+	 */
+	public void warning(String msg)
+	{
+		log(Level.WARN, msg);
+	}
+	public void warning(String msg, Exception e)
+	{
+		log(Level.WARN, msg, e);
+	}
+	
+	/**
+	 * Sends an INFO log message
+	 * Levels: fatal, error, warn, * INFO *, debug, trace
+	 */
+	public void info(String msg)
+	{
+		log(Level.INFO, msg);
+	}
+	public void info(String msg, Exception e)
+	{
+		log(Level.INFO, msg, e);
+	}
+	/**
+	 * Sends a INFO log message
+	 * For backwards compatibility only. Use info(msg) instead. 
+	 */
+	public void fine(String msg)
+	{
+		log(Level.INFO, msg);
+	}
+	public void fine(String msg, Exception e)
+	{
+		log(Level.INFO, msg, e);
+	}
+	
+	/**
+	 * Sends a DEBUG log message
+	 * Levels: fatal, error, warn, info, * DEBUG *, trace
+	 */
+	public void debug(String msg)
+	{
+		log(Level.DEBUG, msg);
+	}
+	public void debug(String msg, Exception e)
+	{
+		log(Level.DEBUG, msg, e);
+	}
+	/**
+	 * Sends a DEBUG log message
+	 * For backwards compatibility only. Use debug(msg) instead.
+	 */
+	public void finer(String msg)
+	{
+		log(Level.DEBUG, msg);
+	}
+	public void finer(String msg, Exception e)
+	{
+		log(Level.DEBUG, msg, e);
+	}
+	
+	
+	/**
+	 * Sends a TRACE log message
+	 * Levels: fatal, error, warn, info, debug, * TRACE *
+	 */
+	public void trace(String msg)
+	{
+		log(Level.TRACE, msg);
+	}
+	public void trace(String msg, Exception e)
+	{
+		log(Level.TRACE, msg, e);
+	}
+	/**
+	 * Sends a TRACE log message
+	 * For backwards compatibility only. Use trace(msg) instead.
+	 */
+	public void finest(String msg)
+	{
+		log(Level.TRACE, msg);
+	}
+	public void finest(String msg, Exception e)
+	{
+		log(Level.TRACE, msg, e);
+	}
+
+	public boolean changeFormat(String conversionPattern)
+	{
+		return log4jWrapper.changeFormat(conversionPattern); 
+	}
+
+
+	/**
+	 * @param severityLevel(org.apache.log4j.Level)
+	 * Log Severity levels in descending order:
+	 * fatal, error, warn, info, debug, trace.
+	 */ 
+	public void setSeverityLevel(String string) {
+		log4jWrapper.setSeverityLevel(string);
+	}
+
+	
+	public void loadXMLFile() {
+		if (log4jWrapper.getLogger() == null)
+			log4jWrapper = Log4jWrapper.getInstance();
+		log4jWrapper.loadXMLFile();
+	}
+    
+
+	 /* The following table associates JUL levels with log4j levels:
+	 * //  JUL       log4j
+	 *==================	
+	 *	SEVERE  = fatal
+    *			  error
+	 *	WARNING = warn
+	 *	INFO    = info
+	 *	CONFIG
+	 *	FINE    = debug
+	 *	FINER   = trace
+	 *	FINEST  = trace
+	 */
+	
+}

src/main/java/common/Log4jWrapper.java

+package utils.common;
+
+import org.apache.log4j.FileAppender;
+import org.apache.log4j.LogManager;
+import org.apache.log4j.Logger;
+import org.apache.log4j.Level;
+import org.apache.log4j.PatternLayout;
+
+/**
+ * Log4jWrapper is a singleton directly handling the log4j logger.
+ * @author ziv *
+ */
+public class Log4jWrapper {
+	
+	protected static Logger logger = null;
+	
+	protected FileAppender defaultFileHandler = null;
+	protected PatternLayout layout = new PatternLayout();
+	protected static String conversionPattern = "%d{yyyy-MM-ddTHH:mm:ss.SSSS} %-6p:  %m%n";
+	static String dirPath = null;
+	protected static String logFileName = "LogEvents";//default value
+	final String logFileSuffix = ".log";
+	protected String sevLevel = null; 
+	Level defaultSeverityLevel = Level.DEBUG;   //default value
+	
+	private final static String LOG4J_PROP_FILE_PATH;
+	
+	static {    	    	
+		LOG4J_PROP_FILE_PATH = System.getProperty("log4j.conf.file.path", "/logs/conf/log4j.xml");
+	}
+
+	private static Log4jWrapper instance = null;
+    private static Object mutex = new Object();
+
+    private Log4jWrapper(){
+    }
+ 
+    public Logger getLogger() {
+    	return logger;
+    }
+    
+    /**
+     * Get new instance only if the file name is new. 
+     * @return
+     */
+    public static Log4jWrapper getInstance(){
+    	if (instance == null) {
+    		synchronized (mutex){
+    			if (instance == null) 
+    				instance = new Log4jWrapper();
+    		}
+    	}
+    	return instance;
+    }
+
+	/**
+	 * Log constructor - write logging events with DEBUG level and up in dirPath with the specified log file name.   
+	 */
+	public void init() {		
+		Initialize(dirPath, Level.DEBUG);
+	}
+	
+	/**
+	 * @param logName - name of the specific log fileinfo
+	 * @param logPath - full path up to the log file name  
+	 * @param severityLevel - severity of this logger (fatal, error, warn, info, debug, trace). 
+	 *                  All logging events to this logger with this priority or higher are printed.
+	 *                  Use: Level.FATAL, Level.ERROR, Level.WARN, Level.INFO, Level.DEBUG, Level.TRACE  
+	 */
+	public void init(String logPath, Level severityLevel) {
+		Initialize(logPath, severityLevel);
+	}
+
+	
+	private boolean Initialize(String logPath, Level severityLevel) 
+	{	
+		loadXMLFile();
+		
+		logger = LogManager.getLogger(Log4jWrapper.class.getName());
+
+		return true;
+	}
+	
+	public void loadXMLFile() {
+		try {
+			org.apache.log4j.xml.DOMConfigurator.configure(LOG4J_PROP_FILE_PATH);
+		}catch(Exception e) {
+            logger.fatal( "Log4j wrapper failed to load XML File with exception: ", e);
+        }	
+	}
+
+	/**
+	 * @param sevLev - string with one of the following values (case insensitive): fatal, error, warn, info, debug, trace.
+	 * @return log4J.Level represented by this string, or null if value is illegal.
+	 */
+	public Level GetSeverityLevelFromString(String sevLev) {
+
+		if (sevLev.equalsIgnoreCase("fatal"))
+			return Level.FATAL; 
+		if (sevLev.equalsIgnoreCase("error"))
+			return Level.ERROR;
+		if (sevLev.equalsIgnoreCase("warn"))
+			return Level.WARN;
+		if (sevLev.equalsIgnoreCase("info"))
+			return Level.INFO;
+		if (sevLev.equalsIgnoreCase("debug"))
+			return Level.DEBUG;
+		if (sevLev.equalsIgnoreCase("trace"))
+			return Level.TRACE;
+		
+		return null;
+	}
+	
+	public void setSeverityLevel(String sevLev) {
+		logger.setLevel(GetSeverityLevelFromString(sevLev));
+	}
+
+//	/**
+//	 * Change severity level of the root logger and all the loggers in the system too.
+//	 * @param severityLevel
+//	 */
+//	public void setSeverityLevel(Level severityLevel) {
+//		if ( severityLevel != null ){
+//			Enumeration allLoggers = logger.getLoggerRepository().getCurrentCategories();
+//
+//			logger.setLevel(severityLevel);
+//
+//			while (allLoggers.hasMoreElements()){
+//				Category tmpLogger = (Category) allLoggers.nextElement();
+//				tmpLogger.setLevel(Level.ERROR);
+//			}
+//		}
+//	}
+	
+	/**
+	 * Determines the standard logging events format.
+	 * Currently it's hard coded but it may be configured within the log4j.properties file later.
+	 */
+	public void format()
+	{
+		if (conversionPattern == null)//never supposed to happen
+			return;
+		
+		layout.setConversionPattern(conversionPattern);
+
+		defaultFileHandler.setLayout(layout);
+	}
+	
+	private static boolean setConversionPattern(String convPattern)
+	{
+		if (convPattern != null && !convPattern.isEmpty() )
+			{
+				conversionPattern = convPattern;
+				return true;
+			}
+		
+		return false;
+	}
+	
+	/**
+	 * Change the logging events format. 
+	 * Check out https://logging.apache.org/log4j/1.2/apidocs/org/apache/log4j/PatternLayout.html for details. 
+	 * @param conversionPattern 
+	 * @return true if successful, false otherwise.
+	 */
+	public boolean changeFormat(String conversionPattern)
+	{
+		if (setConversionPattern(conversionPattern))
+		{
+			format();
+			return true;
+		}
+		return false;
+	}
+
+	public String getFileName()
+	{
+		return logFileName;
+	}
+	
+	public void log(Level level, String msg, Logger tmpLogger)
+	{
+		if (tmpLogger != null)
+			tmpLogger.log(level, msg);
+	}
+	
+	public void log(Level level, String msg, Exception e, Logger tmpLogger)
+	{
+		if (tmpLogger != null)
+			tmpLogger.log(level, msg, e);
+	}
+
+	
+	
+}//end of class

src/main/java/common/Network.java

+package utils.common;
+
+import java.net.InetAddress;
+import java.net.UnknownHostException;
+
+public class Network {
+
+	public static final String LOCALHOST = "localhost";
+	
+	public static String getLocalIpAddress()
+	{
+		String host = null;
+        InetAddress myIp;
+		try {
+			myIp = InetAddress.getLocalHost();
+			host = myIp.getHostAddress();
+		} catch (UnknownHostException e) {
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+		}
+		return host;
+	}
+}

src/main/java/common/RedisCacheClient.java

+package utils.common;
+
+import java.util.Set;
+
+import redis.clients.jedis.Jedis;
+import redis.clients.jedis.JedisPool;
+import redis.clients.jedis.JedisPoolConfig;
+
+public class RedisCacheClient implements CacheClient
+{
+	private static int CACHE_EXPIRATION_TIMEOUT;
+	public static int INITIAL_CAPACITY = 64;
+	private static int DEFAULT_REDIS_DATABASE_INDEX;
+
+	static {
+		CACHE_EXPIRATION_TIMEOUT = Integer.valueOf(System.getProperty("cache.expiration.timeout","300")).intValue();
+		DEFAULT_REDIS_DATABASE_INDEX = Integer.valueOf(System.getProperty("cache.redis.database.index.timeout","1")).intValue();
+		}	
+
+	private JedisPool jedisPool = null;
+
+	
+	public RedisCacheClient()
+	{
+		initPool("localhost");
+	}
+
+	public RedisCacheClient(String host)
+	{
+		initPool(host);
+	}
+
+	private void initPool(String host) {
+		JedisPoolConfig jedisPoolConfig = new JedisPoolConfig();
+		jedisPoolConfig.setMaxTotal(200);
+		jedisPoolConfig.setMaxIdle(100);
+		jedisPoolConfig.setMinIdle(50);
+		jedisPoolConfig.setTestWhileIdle(true);
+		jedisPoolConfig.setMaxWaitMillis(500);
+		jedisPool = new JedisPool(jedisPoolConfig, host);
+	}
+	
+	private Jedis getJedis()
+	{
+		Jedis jedis = jedisPool.getResource();
+		jedis.select(DEFAULT_REDIS_DATABASE_INDEX);
+		return jedis;
+	}
+
+	@Override
+	protected void finalize() throws Throwable
+	{
+		// TODO Auto-generated method stub
+		super.finalize();
+	}
+
+
+	@Override
+	public void set(String key, String value)
+	{
+		set(key,value,CACHE_EXPIRATION_TIMEOUT);
+	}
+
+	@Override
+	public void set(String key, String value, int expiration)
+	{
+		Jedis jedis = getJedis();
+		try {
+			/// ... do stuff here ... for example
+			value = jedis.setex(key,expiration,value);
+		} finally {
+			/// ... it's time to release alive/broken Jedis instance...
+			if (null != jedis) {
+				jedisPool.returnResource(jedis);
+			}
+		}
+	}
+
+	@Override
+	public void setExpiration(String key, int expiration)
+	{
+		Jedis jedis = getJedis();
+
+		try {
+			/// ... do stuff here ... for example
+			jedis.expire(key, expiration); // extend time 
+		} finally {
+			/// ... it's time to release alive/broken Jedis instance...
+			if (null != jedis) {
+				jedisPool.returnResource(jedis);
+			}
+		}
+	}
+
+	@Override
+	public String get(String key)
+	{
+		String cacheValue = null;
+		Jedis jedis = getJedis();
+
+		try {
+			/// ... do stuff here ... for example
+			cacheValue = jedis.get(key);
+		} finally {
+			/// ... it's time to release alive/broken Jedis instance...
+			if (null != jedis) {
+				jedisPool.returnResource(jedis);
+			}
+		}
+		return cacheValue;
+	}
+
+	@Override
+	public void delete(String key)
+	{
+		Jedis jedis = getJedis();
+		try 
+		{
+			jedis.del(key);
+		}
+		finally 
+		{
+			/// ... it's time to release alive/broken Jedis instance...
+			if (null != jedis) {
+				jedisPool.returnResource(jedis);
+			}    	
+		}
+
+	}
+
+
+	@Override
+	public void deleteByPattern(String keyPattern)
+	{
+		Jedis jedis = getJedis();
+		try 
+		{
+
+			Set<String> keys = jedis.keys(keyPattern);
+			for (String redisKey : keys)
+				jedis.del(redisKey);
+		}
+		finally 
+		{
+			/// ... it's time to release alive/broken Jedis instance...
+			if (null != jedis) {
+				jedisPool.returnResource(jedis);
+			}    	
+		}
+	}
+
+	@Override
+	public String[] getByPattern(String keyPattern) {
+		String[] keysArray = null;
+		Jedis jedis = getJedis();
+		try
+		{
+
+			Set<String> keys = jedis.keys(keyPattern);
+			if (keys != null)
+				keysArray = keys.toArray(new String[keys.size()]);
+		}
+		finally
+		{
+			/// ... it's time to release alive/broken Jedis instance...
+			if (null != jedis) {
+				jedisPool.returnResource(jedis);
+			}
+		}
+		return keysArray;
+	}
+
+}

src/main/java/common/SimpleLogger.java

+package utils.common;
+
+import java.io.IOException;
+import java.util.logging.FileHandler;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+import java.util.logging.SimpleFormatter;
+
+public class SimpleLogger {
+	
+	protected Logger logger = null;
+	protected FileHandler defaultFileHandler = null;
+		
+	public 	SimpleLogger() {		
+	}
+	
+	public 	SimpleLogger(String logName, String logPath, Level debugLevel) {
+		Initialize(logName, logPath, debugLevel);
+	}
+	
+	public boolean Initialize(String logName, String logPath, Level debugLevel) 
+	{
+		logger = Logger.getLogger(logName);		
+		logger.setLevel(debugLevel);		
+		
+		try {
+			// log to a specific location
+			String LogFile = logPath + "/" + logName + ".log";
+			defaultFileHandler = new FileHandler(LogFile);
+			logger.addHandler(defaultFileHandler);
+			
+			format();
+		} catch (IOException e) {
+			logger.severe("Failed to initialize: " + logName + "e:" + e.getMessage().toString());
+			e.printStackTrace();
+		}  
+		
+		return true;
+	}
+	
+	public void setDebugLevel(Level debugLevel) {
+		logger.setLevel(debugLevel);
+	}
+	
+	/*
+	 * a hook for determine the line format. you can override the 'format' method 
+	 * and change the line format to your needs
+	 */
+	
+	public void format()
+	{
+		// format the log message with a simple formatter
+		defaultFileHandler.setFormatter(new SimpleFormatter());
+	}
+		
+	public void log(Level level, String msg)
+	{
+		logger.log(level, msg);
+	}
+	
+	public void log(Level level, String msg, Exception e)
+	{
+		logger.log(level, msg, e);
+	}
+	
+//	public Level CovertToEnum(String level) {
+//		switch (level) {
+//			case "ALL":
+//				return Level.ALL;
+//				
+//			case "INFO":
+//				return Level.INFO;
+//				
+//			case "WARNING":
+//				return Level.WARNING;
+//				
+//			case "SEVERE":
+//				return Level.SEVERE;
+//				
+//			case "SEVERE":
+//				return Level.;
+//				
+//			
+//		}
+//		return null;
+//	}
+}

src/main/java/common/XmlHelper.java

+package utils.common;
+
+import java.io.File;
+import java.io.IOException;
+import java.util.logging.Level;
+
+import javax.xml.parsers.DocumentBuilder;
+import javax.xml.parsers.DocumentBuilderFactory;
+import javax.xml.parsers.ParserConfigurationException;
+
+import org.w3c.dom.Document;
+import org.xml.sax.SAXException;
+
+public class XmlHelper {
+
+	private SimpleLogger logger = null;
+	
+	public XmlHelper(SimpleLogger logger) {
+		this.logger = logger;
+	}
+
+	public Document LoadXMLDoc(String file) throws SAXException, IOException, ParserConfigurationException {
+		try {
+			DocumentBuilderFactory docBuilderFactory = DocumentBuilderFactory.newInstance();
+			DocumentBuilder docBuilder = docBuilderFactory.newDocumentBuilder();
+			Document doc = docBuilder.parse (new File(file));	
+			return doc;
+		} catch (SAXException e) {
+			String msg = "LoadServiceIndexFile - SAX Error. File: " + file;
+			logger.log(Level.SEVERE, msg, e);
+			return null;
+		}	
+	}
+}

src/main/java/common/configuration/ConfigProperties.java

+package utils.common.configuration;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.util.HashMap;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Map;
+import java.util.Map.Entry;
+import java.util.Properties;
+import java.util.Set;
+
+import org.apache.commons.io.monitor.FileAlterationListener;
+import org.apache.commons.io.monitor.FileAlterationListenerAdaptor;
+import org.apache.commons.io.monitor.FileAlterationMonitor;
+import org.apache.commons.io.monitor.FileAlterationObserver;
+
+
+public class ConfigProperties
+{
+	public static final String CONFIG_FILE_LOCATION;
+
+	static {
+		CONFIG_FILE_LOCATION = System.getProperty("configFile.location",null);
+	}
+
+	static ConfigProperties instance = null;
+	Map<String,PropertyEntry> propsHash = new HashMap<String, PropertyEntry>();
+	ListenThread listenThread = null;
+	List<ConfigPropertiesChangeListener> propsChangeListeners = null;
+	List<IConfigurationProvider> configurationProviderList = null;
+
+	public class ListenThread extends Thread
+	{
+		final long pollingInterval = 5 * 1000;
+		final FileAlterationMonitor monitor = new FileAlterationMonitor(pollingInterval);
+		FileAlterationObserver fao = null;
+		final String fileToListen;
+		
+		public ListenThread(String fileName)
+		{
+			super();
+			fileToListen = fileName;
+			this.setName("ConfigProperties.ListenThread");
+			String directoryName = fileName.substring(0, fileName.lastIndexOf('/'));
+			final File directory = new File(directoryName);
+
+			fao = new FileAlterationObserver(directory);
+			FileAlterationListener listener = new FileAlterationListenerAdaptor(){
+				@Override
+				public void onFileCreate(File file) {
+				}
+
+				// Is triggered when a file is deleted from the monitored folder
+				@Override
+				public void onFileDelete(File file) {
+				}
+				@Override
+				public void onFileChange(File file)
+				{
+					System.out.println("File changed :" + file.getName());
+					if (file.getPath().equals(fileToListen))
+					{
+						reloadProperties();
+						notifyListeners();
+					}
+					super.onFileChange(file);
+				}
+			};
+			fao.addListener(listener);
+			monitor.addObserver(fao);
+			System.out.println("Starting monitor...");
+			try {
+				monitor.start();
+			} catch (Exception e) {
+				System.out.println("Could not start..." + e);
+			}
+//			Runtime.getRuntime().addShutdownHook(new Thread(new Runnable() {
+//
+//				@Override
+//				public void run() {
+//					try {
+//						//logger.info("Stopping monitor.");
+//						monitor.stop();
+//					} catch (Exception ignored) {
+//					}
+//				}
+//			}));
+		}
+
+		@Override
+		public void run()
+		{
+//			synchronized(this)
+//			{
+//				try
+//				{
+//					wait();
+//				} catch (InterruptedException e)
+//				{
+//					// TODO Auto-generated catch block
+//					e.printStackTrace();
+//				}
+//			}
+		}
+
+		@Override
+		public void destroy()
+		{
+			try
+			{
+				System.out.println("Stopping monitor...");
+				monitor.stop();
+			} catch (Exception e)
+			{
+				// TODO Auto-generated catch block
+				e.printStackTrace();
+			}
+		}
+
+
+
+	}
+
+	public ConfigProperties()
+	{
+		if (listenThread == null)
+		{
+			//logger.info("staring Log4jFileChangeListener thread...");
+			listenThread = new ListenThread( CONFIG_FILE_LOCATION );
+			listenThread.start();
+		}
+		propsChangeListeners = new LinkedList<ConfigPropertiesChangeListener>();
+		configurationProviderList = new LinkedList<IConfigurationProvider>();
+	}
+
+	
+	@Override
+	protected void finalize() throws Throwable
+	{
+		// TODO Auto-generated method stub
+		listenThread.destroy();
+		listenThread.join(2000);
+		listenThread = null;
+		super.finalize();
+	}
+
+
+	public static synchronized void createInstance()
+	{
+		if (instance == null)
+			instance = new ConfigProperties();
+	}
+	
+	public static ConfigProperties getInstance() 
+	{
+		if (instance == null)
+			createInstance();
+		return instance; 
+	}
+	
+	public void stop() 
+	{ 
+		try
+		{
+			listenThread.destroy();
+			listenThread.join(2000);
+		} catch (InterruptedException e)
+		{
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+		}
+		listenThread = null;
+		instance = null; 
+	}
+
+	public void addChangeListener(ConfigPropertiesChangeListener listener)
+	{
+		propsChangeListeners.add(listener);
+	}
+	/**
+	 * load properties to env
+	 */
+	public void loadProperties()
+	{
+		if (CONFIG_FILE_LOCATION != null)
+		{
+			// set up new properties object
+			// from file "myProperties.txt"
+			FileInputStream propFile;
+			try
+			{
+				propFile = new FileInputStream(CONFIG_FILE_LOCATION);
+				Properties p = new Properties(System.getProperties());
+				p.load(propFile);
+				addPropertiesFromProviders(p);
+				// set the system properties
+				System.setProperties(p);
+				// display new properties
+				System.getProperties().list(System.out);
+			} catch (FileNotFoundException e)
+			{
+				// TODO Auto-generated catch block
+				e.printStackTrace();
+			} catch (IOException e)
+			{
+				// TODO Auto-generated catch block
+				e.printStackTrace();
+			}
+		}
+	}
+
+	private void addPropertiesFromProviders(Properties p) {
+		for (IConfigurationProvider provider: configurationProviderList)
+		{
+			for (Entry<String, String> propEntry: provider.getAllProperties())
+			{
+				p.setProperty(propEntry.getKey(),propEntry.getValue());
+			}
+		}
+	}
+
+	public Object addConfigurationPropertyToHash(String key,String defaultValue, EnumPropertyType eType)
+	{
+		String valueStr = System.getProperty(key, defaultValue);
+		if (valueStr != null)
+		{
+			Object value = null;
+			switch (eType)
+			{
+			case E_STRING:
+				value = valueStr;
+				break;
+			case E_LONG:
+				value = Long.valueOf(valueStr);
+				break;
+			case E_BOOLEAN:
+				value = Boolean.valueOf(valueStr);
+				break;
+			}
+			
+			if (value != null)
+			{
+				PropertyEntry propEntry = new PropertyEntry(value, defaultValue, eType);
+				propsHash.put(key, propEntry);
+				return value;
+			}
+		}
+		return null;
+	}
+
+	public Object getConfigurationProperty(String key) 
+	{ 
+		PropertyEntry pe = propsHash.get(key);
+		if (pe != null)
+			return pe.value;
+		return null;
+	}
+	
+	/**
+	 * reloading config properties into hash
+	 */
+	public synchronized void reloadProperties()
+	{
+		loadProperties();
+		Set<Entry<String, PropertyEntry>> entrySet = propsHash.entrySet();
+		for (Entry<String, PropertyEntry> entry : entrySet)
+		{
+			if (entry != null)
+				addConfigurationPropertyToHash(entry.getKey(),entry.getValue().defaultValue,entry.getValue().eType);
+		}
+		
+	}
+
+
+	public void notifyListeners()
+	{
+		for (ConfigPropertiesChangeListener listener : propsChangeListeners)
+		{
+			if (listener != null)
+				listener.propertiesChange();
+		}
+	}
+
+	public void addConfigurationProvider(IConfigurationProvider iProvider)
+	{
+		configurationProviderList.add(iProvider);
+	}
+}

src/main/java/common/configuration/ConfigPropertiesChangeListener.java

+package utils.common.configuration;
+
+public interface ConfigPropertiesChangeListener
+{
+
+	public void propertiesChange();
+}

src/main/java/common/configuration/EnumPropertyType.java

+package utils.common.configuration;
+
+/**
+ * Created by amir on 04/04/16.
+ */
+public enum EnumPropertyType {
+    E_STRING,
+    E_LONG,
+    E_BOOLEAN
+}

src/main/java/common/configuration/IConfigurationProvider.java

+package utils.common.configuration;
+
+import java.util.List;
+import java.util.Map;
+
+/**
+ * Created by amir on 04/04/16.
+ */
+public interface IConfigurationProvider {
+
+    List<Map.Entry<String,String>> getAllProperties();
+    String getPropertyAsString(String key);
+
+}

src/main/java/common/configuration/PropertyEntry.java

+package utils.common.configuration;
+
+/**
+ * Created by amir on 04/04/16.
+ */
+public class PropertyEntry {
+
+	public PropertyEntry(Object value, String defaultValue, EnumPropertyType eType) {
+        super();
+        this.value = value;
+        this.defaultValue = defaultValue;
+        this.eType = eType;
+    }
+
+	public Object value;
+	public String defaultValue;
+	public EnumPropertyType eType;
+
+
+
+}

src/main/java/common/package-info.java

+/**
+ * 
+ */
+/**
+ * @author adi
+ *
+ */
+package utils.common;
\ No newline at end of file

src/main/java/common/uniqueKeyHandler.java

+package utils.common;
+
+import java.util.UUID;
+
+public class uniqueKeyHandler {
+	public static String generateUuid()
+	{
+		UUID uuid = UUID.randomUUID();
+		return uuid.toString();
+	}
+}

src/main/java/http/HttpConst.java

+package utils.http;
+
+public  class HttpConst {
+
+	public static enum HttpResponseCode {	
+		E_DEFAULT(0),
+		E_OK(200),
+		E_ACCEPTED(202),
+		E_PARTIAL_INFORMATION(203),
+		E_BAD_REQUEST(400),
+		E_NOT_FOUND(404),
+		E_INTENAL_ERROR(500),	
+		E_NOT_IMPLMENETED(501);
+		
+		public static HttpResponseCode StrToE(String val) {
+			if (val == "0")
+				return E_DEFAULT;
+			else if (val.equals("200")) 
+				return E_OK;
+			else if (val.equals("202")) 
+				return E_ACCEPTED;
+			else if (val.equals("203")) 
+				return E_PARTIAL_INFORMATION;
+			else if (val.equals("400")) 
+				return E_BAD_REQUEST;
+			else if (val.equals("404")) 
+				return E_NOT_FOUND;
+			else if (val.equals("500")) 
+				return E_INTENAL_ERROR;
+			else if (val.equals("501")) 
+				return E_NOT_IMPLMENETED;					
+			return null;
+		}
+		
+		private int value;		
+		private HttpResponseCode(int value) {
+			this.value = value;
+		}
+		
+		public int getValue() { return value; }
+	}
+}

src/main/java/http/StringResponse.java

+package utils.http;
+
+public class StringResponse {
+	
+	private int statusCode = 0;
+	private String content = null;;
+	
+	public StringResponse(int statusCode, String content) {
+		this.statusCode = statusCode;
+		this.content = content;		
+	}
+	
+	public int getStatusCode() {
+		return this.statusCode;
+	}
+	
+	public String getContent() {
+		return this.content;
+	}
+}

src/main/java/http/simpleHttpClient/SimpleHttpClient.java

+package utils.http.simpleHttpClient;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+
+//import javax.ws.rs.core.HttpHeaders;
+//import javax.ws.rs.core.MediaType;
+
+import java.io.UnsupportedEncodingException;
+import java.util.HashMap;
+import java.util.List;
+import org.apache.http.Header;
+import org.apache.http.HttpEntity;
+import org.apache.http.client.CookieStore;
+//import org.apache.http.client.methods.HttpGet;
+import org.apache.http.client.methods.HttpUriRequest;
+import org.apache.http.conn.scheme.PlainSocketFactory;
+import org.apache.http.conn.scheme.Scheme;
+import org.apache.http.conn.scheme.SchemeRegistry;
+import org.apache.http.conn.ssl.SSLSocketFactory;
+import org.apache.http.cookie.Cookie;
+import org.apache.http.impl.client.DefaultHttpClient;
+import org.apache.http.impl.conn.tsccm.ThreadSafeClientConnManager;
+import utils.http.simpleHttpClient.SimpleHttpRequest;
+import utils.http.simpleHttpClient.SimpleHttpResponse;
+
+public class SimpleHttpClient {
+	
+	private DefaultHttpClient defaulthttpClient = null;
+	private ThreadSafeClientConnManager connManager = null;
+	private CookieStore cookieStore = null;
+	public SimpleHttpClient()
+	{		
+	}
+	
+	public void Initialize(int maxConnection) 
+	{
+		System.setProperty("org.apache.commons.logging.Log", "org.apache.commons.logging.impl.Jdk14Logger");
+        SchemeRegistry registry = new SchemeRegistry();
+        registry.register(new Scheme("http", 80, PlainSocketFactory.getSocketFactory()));        
+        registry.register(new Scheme("https", 443, SSLSocketFactory.getSocketFactory()));
+        
+		connManager = new ThreadSafeClientConnManager(registry);
+		connManager.setDefaultMaxPerRoute(maxConnection);
+		connManager.setMaxTotal(maxConnection);
+		this.defaulthttpClient = new DefaultHttpClient(connManager); 
+		this.cookieStore = defaulthttpClient.getCookieStore();
+	}
+		
+	public void shutdown() throws Throwable
+	{
+		defaulthttpClient.getConnectionManager().shutdown();
+	}	
+	
+	public SimpleHttpResponse processRequest(SimpleHttpRequest request) throws UnsupportedEncodingException {
+		
+		HttpUriRequest uriRequest = request.build();
+		org.apache.http.HttpResponse resultResp = null;
+		SimpleHttpResponse  response = null;		
+		try {
+			// add cookies
+			if (request.getCookies().size() > 0) {
+				for (Cookie cookie: request.getCookies()) {
+					cookieStore.addCookie(cookie);
+				}
+			}
+			defaulthttpClient.setCookieStore(cookieStore);	
+			
+			
+			// send the request
+			resultResp = defaulthttpClient.execute(uriRequest);
+			if (resultResp != null) {
+				response = ParseResponseAndCookies(resultResp, defaulthttpClient.getCookieStore());
+				return response;
+			}				        
+		} catch (Exception e) {	
+			return new SimpleHttpResponse(500, e.toString());
+		}
+		return null;
+	}
+	
+	public SimpleHttpResponse ParseResponseAndCookies(org.apache.http.HttpResponse response, CookieStore cookieStore) {
+		SimpleHttpResponse resp = new SimpleHttpResponse();
+		
+		// get status code
+		resp.setStatusCode(response.getStatusLine().getStatusCode());
+		
+		// get headers
+		resp.headers = new HashMap<String, String>();
+		Header[] headers = response.getAllHeaders();
+		for (Header hdr: headers) {
+			resp.headers.put(hdr.getName(), hdr.getValue());
+		}
+		
+		// get cookies
+		List<Cookie> cookies = cookieStore.getCookies();
+		resp.setCookies(cookies);
+		
+		// get content
+		try {
+			HttpEntity httpEntity = response.getEntity();
+	        if (httpEntity != null) {
+	        	BufferedReader rd = new BufferedReader(new InputStreamReader(response.getEntity().getContent()));
+	        	StringBuffer result = new StringBuffer();
+	        	String line = "";
+	        	while ((line = rd.readLine()) != null) {
+	        	    result.append(line);
+	        	}
+	        	String content = result.toString();        	
+	            resp.setContent(content);            	            	            
+	        }
+		} catch (IOException e) {
+			return resp;
+		}
+		
+		return resp;
+	}
+
+	
+}

src/main/java/http/simpleHttpClient/SimpleHttpRequest.java

+package utils.http.simpleHttpClient;
+
+import java.io.UnsupportedEncodingException;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+//import java.util.Iterator;
+import java.util.Map;
+import java.util.Map.Entry;
+
+
+
+//import javax.ws.rs.core.HttpHeaders;
+//import javax.ws.rs.core.MediaType;
+
+
+import org.apache.http.client.methods.HttpDelete;
+import org.apache.http.client.methods.HttpGet;
+import org.apache.http.client.methods.HttpPost;
+import org.apache.http.client.methods.HttpPut;
+import org.apache.http.client.methods.HttpUriRequest;
+import org.apache.http.cookie.Cookie;
+import org.apache.http.entity.StringEntity;
+
+import com.google.gdata.util.common.base.PercentEscaper;
+
+public class SimpleHttpRequest {
+	
+	private static PercentEscaper pes = new PercentEscaper(PercentEscaper.SAFEQUERYSTRINGCHARS_URLENCODER/*SAFECHARS_URLENCODER*/, false);
+	
+	public enum Method {
+		GET{
+		      public String toString() {
+		          return "GET";
+		      }
+		},
+		POST{
+		      public String toString() {
+		          return "POST";
+		      }
+		},
+		PUT{
+		      public String toString() {
+		          return "PUT";
+		      }
+		},
+		DELETE{
+		      public String toString() {
+		          return "DELETE";
+		      }
+		},
+	}	
+	protected String protocol = "http";  // default is http	
+	protected Method method = null;	
+	protected String domain  = null;
+	protected int    port = 0;
+	protected String path = null;
+	protected String queryString = null;
+	protected Map<String, String> headers = null;
+	protected String contentType = "application/x-www-form-urlencoded; charset=UTF-8";
+	protected String content = null;
+	protected List<Cookie> cookies = null;
+
+	public SimpleHttpRequest() {				
+		headers = new HashMap<String, String>();
+		cookies = new ArrayList<Cookie>();
+	}
+	
+	// get/set methods
+	public String getProtocol() { return protocol; }
+	public void setProtocol(String protocol) { this.protocol = protocol; }
+	public Method getMethod() {	return method; }
+	public void setMethod(Method method) {	this.method = method; }		
+	public String getDomain() {	return domain; }
+	public void setDomain(String domain) { this.domain = domain; }	
+	public int getPort() { return port;	}
+	public void setPort(int port) {	this.port = port; }	
+	public String getQueryString() { return queryString; }
+	public void setQueryString(String queryString) { this.queryString = EscapeQueryString(queryString);  /*this.queryString = pes.escape(queryString);*/ }
+	public String getContentType() { return contentType;}
+	public void setContentType(String contentType) {this.contentType = contentType;	}
+	public String getContent() { return content; }
+	public void setContent(String content) { this.content = content; }	
+	public String getPath() { return path;	}
+	public void setPath(String path) {	this.path = pes.escape(path); }
+	public void addHeader(String hdrName, String hdrValue) {
+		headers.put(hdrName, hdrValue);
+	}
+	public Map<String, String> getHeaders() { return headers; }
+	public List<Cookie> getCookies() {
+		return cookies;
+	}
+	public void setCookies(List<Cookie> cookies) {
+		this.cookies = cookies;
+	}
+	public void addCookie(Cookie cookie) {
+		this.cookies.add(cookie);
+	}
+	public void InitQueryStringBuilder() {
+		this.queryString = "";
+	}
+	public void addQueryStringParam(String name, String value) {
+		String escName = pes.escape(name);
+		String escValue = pes.escape(value);		
+		if (!queryString.equals("")) 
+			queryString += "&";
+		queryString += escName + "=" + escValue;
+	}
+	
+	private String EscapeQueryString(String queryString) {
+		StringBuilder sb = new StringBuilder();
+		String[] paramTokens = queryString.split("&");
+		if (paramTokens != null) {
+			for (String param: paramTokens) {
+				// split the param into name and value
+				String[] fieldTokens = new String[2];
+				int equalPos = param.indexOf('=');
+				if (equalPos > 0) {
+					fieldTokens[0] = param.substring(0, equalPos);
+					fieldTokens[1] = param.substring(equalPos + 1);
+					if (fieldTokens != null && fieldTokens.length == 2) {
+						String field = pes.escape(fieldTokens[0]) + "=" + pes.escape(fieldTokens[1]);
+						if (sb.length() > 0)
+							sb.append("&");
+						sb.append(field);
+					}
+				}
+				else
+					sb.append(pes.escape(param));
+			}
+			return sb.toString();
+		}
+		else
+			return pes.escape(queryString);
+	}	
+	
+	public HttpUriRequest build() throws UnsupportedEncodingException {		
+		switch (method) {
+			case GET:
+				return buildGetRequest();
+			case POST:
+				return buildPostRequest();
+			case PUT:
+				return buildPutRequest();	
+			case DELETE:
+				return buildDeleteRequest();				
+		}
+		return null;
+	}
+	
+	// http://domain:port/path?query_string
+	
+	protected HttpUriRequest buildGetRequest() {		
+		// build URI
+		StringBuilder sb = new StringBuilder();				
+		sb.append(protocol+"://"); 
+		sb.append(domain);
+		if (port > 0) {
+			sb.append(":");
+			sb.append(port);
+		}		
+		if (path != null) {			
+			sb.append("/");
+			sb.append(path);
+		}
+		if (queryString != null) {
+			sb.append("?");
+			sb.append(queryString);
+		}
+		
+		String uri = sb.toString();
+		HttpGet getRequest = new HttpGet(uri);
+		
+		// add headers
+		for(Entry<String, String> hdr : headers.entrySet()) {
+			getRequest.addHeader(hdr.getKey(), hdr.getValue());
+		}		
+		return getRequest;
+	}
+	
+	protected HttpUriRequest buildPostRequest() {
+				
+		// build URI
+		StringBuilder sb = new StringBuilder();				
+		sb.append(protocol+"://"); 
+		sb.append(domain);
+		if (port > 0) {
+			sb.append(":");
+			sb.append(port);
+		}
+		sb.append("/");
+		if (path != null)
+			sb.append(path);
+		if (queryString != null) {
+			sb.append("?");
+			sb.append(queryString);
+		}
+		
+		String uri = sb.toString();
+		HttpPost postRequest = new HttpPost(uri);
+		
+		// add headers
+		for(Entry<String, String> hdr : headers.entrySet()) {
+			postRequest.addHeader(hdr.getKey(), hdr.getValue());
+		}	
+		
+		// add content
+		if (content != null) {
+			try {				
+				StringEntity contentEntity =  new StringEntity(content,"UTF-8");
+				contentEntity.setContentType(contentType);
+				postRequest.setEntity(contentEntity);				
+			} catch (UnsupportedEncodingException e) {				
+				e.printStackTrace();
+			}
+		}		
+		
+		return postRequest;
+	}
+		
+	protected HttpUriRequest buildPutRequest() {
+		
+		// build URI
+		StringBuilder sb = new StringBuilder();				
+		sb.append(protocol+"://"); 
+		sb.append(domain);
+		if (port > 0) {
+			sb.append(":");
+			sb.append(port);
+		}
+		sb.append("/");
+		if (path != null)
+			sb.append(path);
+		if (queryString != null) {
+			sb.append("?");
+			sb.append(queryString);
+		}
+		
+		String uri = sb.toString();
+		HttpPut putRequest = new HttpPut(uri);
+		
+		// add headers
+		for(Entry<String, String> hdr : headers.entrySet()) {
+			putRequest.addHeader(hdr.getKey(), hdr.getValue());
+		}	
+		
+		// add content
+		if (content != null) {
+			try {
+				StringEntity contentEntity =  new StringEntity(content);
+				//contentEntity.setContentType("application/json");
+				contentEntity.setContentType(contentType);
+				putRequest.setEntity(contentEntity);
+			} catch (UnsupportedEncodingException e) {				
+				e.printStackTrace();
+			}
+		}		
+		
+		return putRequest;
+	}
+		
+	protected HttpUriRequest buildDeleteRequest() {
+		
+		// build URI
+		StringBuilder sb = new StringBuilder();				
+		sb.append(protocol+"://"); 
+		sb.append(domain);
+		if (port > 0) {
+			sb.append(":");
+			sb.append(port);
+		}
+		sb.append("/");
+		if (path != null)
+			sb.append(path);
+		if (queryString != null) {
+			sb.append("?");
+			sb.append(queryString);
+		}
+		
+		String uri = sb.toString();
+		HttpDelete deleteRequest = new HttpDelete(uri);
+		
+		// add headers
+		for(Entry<String, String> hdr : headers.entrySet()) {
+			deleteRequest.addHeader(hdr.getKey(), hdr.getValue());
+		}			
+		
+		return deleteRequest;
+	}
+}

src/main/java/http/simpleHttpClient/SimpleHttpResponse.java

+package utils.http.simpleHttpClient;
+
+import java.util.List;
+import java.util.Map;
+import org.apache.http.cookie.Cookie;
+
+public class SimpleHttpResponse {
+	
+	protected int statusCode = 0;	
+	protected Map<String, String> headers;	
+	protected List<Cookie> cookies;
+	
+	protected String content = null;	
+	
+	public SimpleHttpResponse() {		
+	}
+	public SimpleHttpResponse(int statusCode, String content) {
+		this.statusCode = statusCode;
+		this.content = content;
+	}
+		
+	public List<Cookie> getCookies() { return cookies; }
+	public void setCookies(List<Cookie> cookies) { this.cookies = cookies;}
+	public int getStatusCode() { return statusCode; }
+	public void setStatusCode(int statusCode) {	this.statusCode = statusCode; }
+	public Map<String, String> getHeaders() { return headers; }
+	public void setHeaders(Map<String, String> headers) { this.headers = headers; }
+	public String getContent() { return content; }
+	public void setContent(String content) { this.content = content; }	
+}

src/main/java/http/simpleRestClient/SimpleRestResponse.java

+package utils.http.simpleRestClient;
+
+import com.fasterxml.jackson.annotation.JsonCreator;
+import com.fasterxml.jackson.annotation.JsonIgnore;
+import com.fasterxml.jackson.annotation.JsonProperty;
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.ObjectReader;
+//import Util.General;
+
+public class SimpleRestResponse
+{	
+	public boolean success = true;
+	public String error = null;
+	public JsonNode objectNode = null;
+//	protected General genUtils = null;
+	
+	@JsonIgnore
+	private ObjectMapper objMapper;
+	
+	public SimpleRestResponse() {		
+	}
+
+	
+	@JsonCreator
+	public SimpleRestResponse(@JsonProperty("success")boolean success, 
+							@JsonProperty("error")String error,
+							@JsonProperty("respObject")JsonNode objectNode)
+	{
+		super();
+		this.success = success;
+		this.error = error;
+		this.objectNode = objectNode;
+//		this.genUtils = new General();
+	}
+
+	public void prepare(ObjectMapper objMapper)	{ this.objMapper = objMapper; }	
+	@JsonIgnore
+	public ObjectMapper getObjectMapper() { return objMapper; }
+	
+	public boolean isSuccess () { return success; }
+	public String getError() 	{ return error; }
+	@JsonIgnore
+	public String getRawString() 
+	{ 
+		if (objectNode != null)
+			return objectNode.toString();
+		return null;
+	}
+	
+	/**
+	 * getting the object map
+	 * @param objMapper
+	 * @return
+	 */
+	@JsonIgnore
+	public JsonNode getRootNode() {	return objectNode; }
+	
+	/**
+	 * get node by name
+	 * @param name
+	 * @return
+	 */
+	public JsonNode getNode(String name)
+	{
+		if (objectNode != null)
+			return objectNode.path(name);
+		return null;
+	}
+	
+//	public String getParamString(String name)
+//	{
+//		if (objectNode != null)
+//		{
+//			JsonNode jn = objectNode.path(name);
+//			if (!jn.isMissingNode())
+//				return genUtils.removeSigns(jn.toString(), '"', '"');
+//		}
+//		return null;
+//	}
+
+	public Long getParamLong(String name)
+	{
+		if (objectNode != null)
+		{
+			JsonNode jn = objectNode.path(name);
+			if (!jn.isMissingNode() && jn.isNumber())
+				return new Long(jn.longValue());
+		}
+		return null;
+	}
+	
+	public Integer getParamInt(String name)
+	{
+		if (objectNode != null)
+		{
+			JsonNode jn = objectNode.path(name);
+			if (!jn.isMissingNode() && jn.isNumber())
+				return new Integer(jn.intValue());
+		}
+		return null;
+	}
+
+	public Boolean getParamBool(String name)
+	{
+		if (objectNode != null)
+		{
+			JsonNode jn = objectNode.path(name);
+			if (!jn.isMissingNode() && jn.isBoolean())
+				return new Boolean(jn.booleanValue());
+		}
+		return null;
+	}
+
+	public Object getObject(String name, Class<?> objClass) {
+		
+		ObjectReader objectReader = objMapper.reader(objClass);
+		
+		if (objectNode != null && objMapper != null) {
+			JsonNode jn = objectNode.path(name);
+			if (!jn.isMissingNode()) {
+				try {
+					return objectReader.readValue(jn);
+				} catch (Exception e) {
+
+				}
+			}
+		}
+		return null;
+	}
+
+	public Object getNodeAsObject(JsonNode jn, Class<?> objClass) {
+		
+		ObjectReader objectReader = objMapper.reader(objClass);
+				
+		if (!jn.isMissingNode() && objMapper != null) {
+			try {
+				return objectReader.readValue(jn);
+			} catch (Exception e) {
+
+			}
+		}
+		return null;
+	}	
+}

src/main/java/itm/ITMManager.java

+package utils.itm;
+
+/*
+ * 
+ */
+import java.io.ByteArrayInputStream;
+import java.io.IOException;
+import java.io.ObjectInput;
+import java.io.ObjectInputStream;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.logging.Level;
+import java.util.concurrent.Semaphore;
+
+import utils.common.SimpleLogger;
+import itc.ItcMessage;
+import itc.ItcMessageQueue;
+
+
+/**
+ * The SessionManager implements a dispatcher thread & a pool of workers threads
+ * while each manager a list of sessions
+ */
+
+public abstract class ITMManager
+{
+	private final String 				className = this.getClass().getName();
+	protected boolean 					bManagerStarted = false;
+	protected String 					moduleName = null;
+	protected SimpleLogger 				logger = null;
+	protected List <ItcMessageQueue> 	thrdQList = null;
+	protected List <ITMThread> 			thrdList = null;	
+	protected int 						numOfThreads = 0;
+	protected int 						maxQueueSize = 0;	
+	protected boolean 					bRunning = false;
+	protected int 						timeout;
+	protected String 					logName = null;
+	protected String 					logPath = null;
+	
+	
+//	static protected rabbitmq.server.RMQServerWrapper mRMQServer = null;
+	Semaphore semThrdStart = null;
+
+	/**
+     * initialize the session manager: including logger & threads
+     * 
+     * @param nSessionThrds - number of worker threads in the pool
+     * @param maxQueueSize - maximum of con-current events can be handled within a single thread
+     * @param timeout - timeout (in mill-secs) which the ReceiveMsg expires
+     * @param logName - logger file name
+     * @param logPath - logger file full path
+     * @return true/false
+     */	
+	public boolean Init(int nThrds, 
+	                    int maxQueueSize, 
+	                    int timeout,
+	                    String moduleName,
+	                    SimpleLogger logger)
+	{
+		this.numOfThreads = nThrds;
+		this.maxQueueSize = maxQueueSize;
+		this.timeout = timeout;		
+		this.moduleName = moduleName;
+		this.logger = logger;
+						
+		if (InitListenQ() == false)
+			return false;												
+		
+		return true;
+	}
+		
+	/**
+     * initialize an abstract listener for incoming messages
+     * 
+     */	
+	public abstract boolean InitListenQ();
+	
+	/**
+     * initialize an abstract message receiver
+     */	
+	public abstract byte[] ReceiveMsg();
+	
+	/**
+     * initialize an abstract message receiver
+     */	
+	public abstract ITMThread CreateThread();
+		
+		
+	/**
+     * start running the thread pool. 
+     * 
+    */	
+	public boolean start() 
+	{
+		// avoid restarting the threads
+		if (bManagerStarted)
+			return true;
+		
+		// start the thread
+		semThrdStart = new Semaphore(-numOfThreads, true);		
+		
+		thrdQList = new ArrayList<ItcMessageQueue>();
+		thrdList = new ArrayList<ITMThread>();
+		for (int i = 0; i < numOfThreads; i++)
+		{
+			ItcMessageQueue thrdQueue = new ItcMessageQueue(maxQueueSize);
+			thrdQList.add(thrdQueue);			
+						
+			ITMThread thrd = CreateThread();
+			String thrdName = moduleName + "Thrd" + i;
+			thrd.SetMandatoryParams(i, thrdName, thrdQueue, logger, semThrdStart);
+			thrdList.add(thrd);	
+			
+			// start the threads
+			thrd.start();
+		}
+		
+		// wait until all threads releases their semaphore 
+		try {
+			semThrdStart.acquire(0);			
+		} catch (InterruptedException e) {			
+			logger.log(Level.SEVERE, "ITMManager::startThreads - Module=" + moduleName + "  Threads started");
+			e.printStackTrace();
+		}
+		
+		return true;
+	}
+				
+	public synchronized boolean stopManager()
+	{
+		if (!bManagerStarted)
+			return true;
+		logger.log(Level.WARNING, "Stopping the " + moduleName + " session threads...");
+		for (ITMThread thrd : thrdList)
+		{
+			if (thrd != null)
+			{
+				try
+				{
+					thrd.stopRunning();					
+					thrd.join(1000);
+					thrd = null;
+				} catch (InterruptedException e){ logger.log(Level.SEVERE, e.toString()); }
+			}
+		}
+		thrdList.clear();
+		logger.log(Level.WARNING, moduleName + " session threads stopped...");
+		return true;
+	}
+
+	/**
+	 * getting the thread number for the session thread handling this subscriber
+	 * @param key - any string representing a unique key
+	 * @return
+	 */
+	public int getThreadNumber(String key)
+	{
+		int thrdIndex;
+		if (key != null  &&  key != null)
+		{
+		  thrdIndex = Math.abs((key.hashCode() % numOfThreads));
+		  
+		}
+		else {
+			thrdIndex = -1; // not found valid thread index
+		}
+		return thrdIndex;
+	}
+		
+	public boolean Run()
+	{		
+		// run the thread pool
+		if (start() == false)
+			return false;
+		
+		logInfo("ITMManager:Run", "Manager started successfully");
+		bManagerStarted = true;
+		bRunning = true;
+		while (bRunning)
+		{
+			try			
+			{
+				HandleMsg();
+				
+			} catch (Exception e)
+			{
+				logSevere("ITMManager:Run", "Run:HandleMsg failed", e);
+			}
+		}
+		
+		return true;
+	}
+	
+	/*
+	 * generic message handler. 
+	 * The default implementation handles an ITC message input that dispatches the message
+	 * to one of the threads. 
+	 * This behavior can be override in a descendant manager
+	 */	
+	public void HandleMsg() throws ClassNotFoundException, IOException
+	{
+		byte[] baMsg = ReceiveMsg();	
+		if (baMsg != null)
+		{	
+			DispatchMsgToThread(baMsg);
+		}			
+		else
+		{				
+			logSevere("ITMManager:HandleMsg", "Mismatch sigature for incoming msg", null);		
+		}			
+	}
+		
+	/*
+	 * generic message dispatcher 
+	 * The default implementation dispatches a giem message according to a given key
+	 * This behavior can be override in a descendant manager
+	 */
+	public void DispatchMsgToThread(byte[] byteMsg) throws ClassNotFoundException, IOException
+	{
+		ITMMessage msg = deserializeObject(byteMsg);
+		// validate mandatory parameters
+		if (msg.getKey() == null) {
+			logSevere("ITMManager:DispatchMsgToThread", "DispatchMsgToThread - Failed. key is NULL. opCode: " + msg.getOpCode(), null);
+			return;
+		}
+		
+		int thrdIndex = getThreadNumber(msg.getKey());
+		if (thrdIndex >= 0  &&  thrdIndex < numOfThreads)
+		{
+			// get the thread's queue
+			ItcMessageQueue thrdQ = thrdQList.get(thrdIndex);
+			if (thrdQ != null)
+			{
+				ItcMessage itcMsg = new ItcMessage(msg.getOpCode(), byteMsg, null, false);				
+				thrdQ.forwardMsg(itcMsg);
+			}
+			else
+				logSevere("ITMManager:DispatchMsgToThread", "DispatchMsgToThread - Failed to find Q for thrdIndex: " + thrdIndex, null);
+		}
+		else
+			logSevere("ITMManager:DispatchMsgToThread", "Thread index out of range", null);
+	}
+
+	public int getmNumOfSessionThreads()
+	{
+		return numOfThreads;
+	}
+	
+	public void logInfo(String method, String msg)
+	{
+		String logMsg = "[" + moduleName + "]";
+		if (msg != null)
+			logMsg += msg;			
+		logger.log(Level.INFO, logMsg);
+	}
+	
+	public void logSevere(String method, String msg, Exception e)
+	{
+		String logMsg = moduleName;
+		
+		if (method != null)
+			logMsg += "@" + method + " - ";		
+		if (msg != null)
+			logMsg += msg;
+		if (e != null)
+			logMsg += e.toString();		
+		logger.log(Level.SEVERE, logMsg);
+	}
+
+	private static ITMMessage deserializeObject(byte[] objectToSerialize) throws IOException, ClassNotFoundException 
+	{		
+		ByteArrayInputStream bis = new ByteArrayInputStream(objectToSerialize);
+		
+	    ObjectInput in = new ObjectInputStream(bis);
+	    Object readObject;
+		try {		
+			readObject = in.readObject();		  
+		}  finally {
+		}
+		
+		return (ITMMessage) readObject;		
+	}
+	
+}

src/main/java/itm/ITMMessage.java

+package utils.itm;
+
+import java.io.Serializable;
+
+/*
+ * base  message for use by any implementation that uses the ITM library
+ * any messages through the ITM must inherit from ITMMessage
+ */
+public class ITMMessage implements Serializable
+{	
+	private static final long serialVersionUID = 1L;
+	
+	
+	protected int opCode = 0;
+	protected String Key = null;
+	
+	public ITMMessage()
+	{
+	}
+	
+	public ITMMessage(int opCode, 
+					  String key)			 		  
+	{
+		this.opCode = opCode;
+		this.Key = key;
+	}
+	
+	public int getOpCode() { return this.opCode; }
+	public void setOpCode(int opCode) { this.opCode = opCode; }
+	
+	public String getKey() { return this.Key; }
+	public void setKey(String key) { this.Key = key;}	
+}

src/main/java/itm/ITMThread.java

+package utils.itm;
+
+import java.io.IOException;
+import java.util.concurrent.Semaphore;
+import java.util.logging.Level;
+
+import com.fasterxml.jackson.core.JsonParseException;
+
+import utils.common.SimpleLogger;
+import itc.ItcMessage;
+import itc.ItcMessageQueue;
+
+
+public abstract class ITMThread extends Thread
+{
+	protected final String 		className = this.getClass().getName();
+	protected SimpleLogger 		logger = null;
+	protected boolean 			bRunning = true;
+	protected int	 			thrdIndex = -1;
+	protected ItcMessageQueue 	thrdQueue;	
+	protected String 			thrdName = null;
+	protected Semaphore 		thrdStartSemaphore = null; 
+    
+	public abstract void HandleMsg(int opCode, Object msg) throws InterruptedException, JsonParseException, IOException;
+		
+    public void SetMandatoryParams(int thrdIndex, String thrdName, ItcMessageQueue thrdQueue, SimpleLogger logger, Semaphore thrdStartSemaphore)
+    {    	
+    	this.thrdIndex = thrdIndex;
+    	this.logger = logger;
+    	this.thrdName = thrdName;		
+		this.thrdQueue = thrdQueue;
+		this.thrdStartSemaphore = thrdStartSemaphore; 
+    }
+    
+	@Override
+	public void run()
+	{		
+		thrdStartSemaphore.release();			
+		while (bRunning) {			
+			ItcMessage itcMsg = (ItcMessage)thrdQueue.recieveMsg(true);
+			if (itcMsg != null) {
+				try {				
+					HandleMsg(itcMsg.getOpCode(), itcMsg.getMsgObj());
+				}
+				catch (Exception e) {
+					String logMsg = "ITMThread:run - HandleMsg failed. " + "Thrd" + thrdIndex + "  e:" + e.getMessage();
+					logger.log(Level.SEVERE, logMsg); 
+				}			
+			}
+			else
+				System.out.println("ITMThread - Received NULL msg");
+		}
+	}
+
+	@Override
+	public void destroy()
+	{	
+	}
+	
+	
+
+	public void stopRunning()
+	{
+		bRunning = false;
+		this.interrupt();
+	}       		
+}

src/main/java/mtqm/MultiThreadQueueHander.java

+package utils.mtqm;
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Map.Entry;
+
+import utils.common.Log4jHandler;
+
+
+public class MultiThreadQueueHander
+{
+
+	private final static Log4jHandler logger = new Log4jHandler(MultiThreadQueueHander.class.getName());
+	private static MultiThreadQueueHander sInstance = null;
+	Map<String, MultiThreadQueueManager> mtqmMap = new HashMap<String, MultiThreadQueueManager>();
+
+	public static class QueueManagerStatus
+	{
+		public int queueMaxSize;
+		public int numOfThreads;
+		public int[] currentQueueSize;
+	}
+	
+	public synchronized static void createInstance()
+	{
+		if (sInstance == null)
+			sInstance = new MultiThreadQueueHander();
+	}
+	
+	public static MultiThreadQueueHander getInstance()
+	{
+		if (sInstance == null)
+			createInstance();
+    	return sInstance;
+	}
+	
+	public synchronized MultiThreadQueueManager createMultiThreadQueue(String name, int numOfThreads,int defaultQueueSize)
+	{
+		MultiThreadQueueManager mtqm = null;
+		if (name != null && !name.isEmpty() && numOfThreads > 0 && defaultQueueSize > 0)
+		{
+			mtqm = mtqmMap.get(name);
+			if (mtqm == null)
+			{
+				mtqm = new MultiThreadQueueManager();
+				if (mtqm.startManager(numOfThreads, defaultQueueSize) )
+				{
+					mtqmMap.put(name, mtqm);
+				}
+				else
+					logger.error("failed to start queue manager: " + name);
+			}
+		}
+		return mtqm;
+	}
+	
+	public MultiThreadQueueManager getMultiThreadQueue(String name)
+	{
+		return mtqmMap.get(name);
+	}
+	
+	public synchronized void stop()
+	{
+		logger.warning("Stopping the managers...");
+		for (Entry<String, MultiThreadQueueManager> mtqmEntry : mtqmMap.entrySet())
+		{
+			if (mtqmEntry != null)
+			{
+				mtqmEntry.getValue().stopManager();
+			}
+		}
+		logger.warning("Stopped all managers, clearing...");
+		mtqmMap.clear();
+	}
+	
+	public Map<String, QueueManagerStatus> getCurrentStatus()
+	{
+		Map<String, QueueManagerStatus> statusMap = new HashMap<String, QueueManagerStatus>();
+		for (Entry<String, MultiThreadQueueManager> mtqmEntry : mtqmMap.entrySet())
+		{
+			if (mtqmEntry != null)
+			{
+				QueueManagerStatus qms = new QueueManagerStatus();
+				qms.numOfThreads = mtqmEntry.getValue().getNumOfThreads();
+				qms.queueMaxSize = mtqmEntry.getValue().getQueueSize();
+				qms.currentQueueSize = mtqmEntry.getValue().getCurrentStatus();
+				statusMap.put(mtqmEntry.getKey(), qms);
+			}
+		}
+		return statusMap;
+	}
+}

src/main/java/mtqm/MultiThreadQueueManager.java

+package utils.mtqm;
+
+import itc.ItcMessage;
+import itc.ItcMessageQueue;
+
+import java.util.ArrayDeque;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.List;
+import utils.common.Log4jHandler;
+
+/**
+ * this manager holds thread that handle async jobs
+ * each thread had it's own queue to wait on , recieve the job and handle it
+ * NOTE: This is not a singletone
+ * @author amir
+ * USE: create and call startManager at init
+ * send job with sendJob
+ * at destroy call stopManager
+ */
+public class MultiThreadQueueManager
+{
+	protected List<JobThread> mJobThreadArray = null;
+	protected List <ItcMessageQueue> mJobQueueArray = null;
+	private final static Log4jHandler logger = new Log4jHandler(MultiThreadQueueManager.class.getName());
+	protected int mNumOfThreads = 0;
+	protected int mQueueSize = 0;
+	protected int mReceiveBulkSize = 0;
+	
+	public class JobThread extends Thread
+	{
+		ItcMessageQueue queue;
+		int threadNumber;
+		private boolean mbKeepRunning = true;
+		
+		public JobThread(ItcMessageQueue queue, int threadNumber)
+		{
+			super();
+			this.queue = queue;
+			this.threadNumber = threadNumber;
+			this.setName("JobThread" + String.valueOf(threadNumber));
+		}
+
+		@Override
+		public void run()
+		{
+			
+			while (mbKeepRunning)
+			{
+				try
+				{
+//					ItcMessage msg = queue.recieveMsg(true);
+					Collection<ItcMessage> msgList = new ArrayDeque<ItcMessage>(mReceiveBulkSize);
+					int msgCount = queue.recieveMsgs(msgList, mReceiveBulkSize);
+					if (msgCount > 0 && !msgList.isEmpty() )
+					{
+						for (ItcMessage msg : msgList)
+						{
+							if (msg != null)
+								handleReceiveMsg(msg);
+						}
+					}
+				} catch (Exception e)
+				{
+					logger.info(e.toString());
+					
+				}
+			}
+		}
+		
+		
+		protected ItcMessageQueue getQueue()
+		{
+			return queue;
+		}
+
+		protected int getThreadNumber()
+		{
+			return threadNumber;
+		}
+
+		protected void handleReceiveMsg(ItcMessage msg)
+		{
+			Runnable runJob = (Runnable) msg.getMsgObj();
+			if (msg.getFromSender() != null)
+				logger.info("running job: " + runJob.getClass().getName() + ", sent from: " + msg.getFromSender() +
+						" on thread: " + this.threadNumber);
+			runJob.run();
+			
+		}
+
+		@Override
+		public void destroy()
+		{
+			// TODO Auto-generated method stub
+			
+		}
+
+		public void stopRunning()
+		{
+			mbKeepRunning = false;
+			this.interrupt();
+		}
+		
+	}
+	
+	/**
+	 * starting 
+	 * @param numOfThreads number of work threads
+	 * @param defaultQueueSize the default size of the queue
+	 * @return
+	 */
+	public boolean startManager(int numOfThreads,int defaultQueueSize)
+	{
+		mNumOfThreads = numOfThreads;
+		mQueueSize = defaultQueueSize;
+		mReceiveBulkSize = mQueueSize / 3;
+		
+		mJobQueueArray = new ArrayList<ItcMessageQueue>();
+		mJobThreadArray = new ArrayList<JobThread>();
+		for (int i = 0; i < mNumOfThreads; i++)
+		{
+			ItcMessageQueue queue = new ItcMessageQueue(defaultQueueSize);
+			mJobQueueArray.add(queue);
+			JobThread thr = new JobThread(queue,i);
+			mJobThreadArray.add(thr);
+			thr.start();
+		}
+		return true;
+	}
+	
+
+	public boolean stopManager()
+	{
+		logger.warning("Stopping the threads...");
+		for (JobThread thr : mJobThreadArray)
+		{
+			if (thr != null)
+			{
+				try
+				{
+					thr.stopRunning();
+//					thr.interrupt();
+					thr.join(1000);
+					thr = null;
+				} catch (InterruptedException e)
+				{ 
+					logger.severe(e.toString()); 
+				}
+			}
+		}
+		mJobThreadArray.clear();
+		logger.warning("threads stopped... and i did it my way!");
+		return true;
+	}
+
+	/**
+	 * sending the job 
+	 * @param opcode
+	 * @param job
+	 * @param extraMsgObj
+	 * @param queueNum the queue to send to, e.g from getQueueNumber(subId)
+	 * @param fromSender
+	 * @return
+	 */
+	public boolean sendJob(int opcode, Runnable job, Object extraMsgObj, int queueNum,String fromSender)
+	{
+		if (queueNum < mNumOfThreads)
+		{
+			return mJobQueueArray.get(queueNum).sendMsg(opcode, job, extraMsgObj, fromSender);
+		}
+		else
+			return false;
+	}
+
+	public int getNumOfThreads()
+	{
+		return mNumOfThreads;
+	}
+	
+	
+	public int getQueueSize()
+	{
+		return mQueueSize;
+	}
+
+
+	public int getQueueNumber(String key)
+	{
+		return (utils.common.General.abs(key.hashCode()) % this.mNumOfThreads);
+	}
+	
+	/**
+	 * for round-robin 
+	 * @param currentNumber
+	 * @return
+	 */
+	public int getNextQueueNumber(int currentNumber)
+	{
+		return  (++currentNumber % this.mNumOfThreads);
+	}
+	
+	public int[] getCurrentStatus()
+	{
+		int[] queues = new int[mNumOfThreads];
+		
+		for (int i = 0; i < mNumOfThreads; i++)
+		{
+			queues[i] = mJobQueueArray.get(i).getCurrentWaitingMsgCount();
+		}
+		return queues;
+	}
+}

src/main/java/otm/IOfflineTaskJob.java

+package utils.otm;
+
+public abstract class IOfflineTaskJob implements Runnable
+{
+	private static final long MAX_TARDINESS = 100;
+
+	public abstract boolean continueNextTime();
+	public long    getMaxTardiness() { return MAX_TARDINESS; };  // the min time to sufficiently execute the job
+	public void jobCancelled() {}
+}

src/main/java/otm/OfflineTask.java

+package utils.otm;
+
+import java.util.TimerTask;
+
+public class OfflineTask extends TimerTask
+{
+	String key;
+	int queueNumber;
+	IOfflineTaskJob job;
+	long delay;
+	long periodicTO;
+	int retries;
+	
+	/**
+	 * 
+	 * @param key
+	 * @param queueNumber
+	 * @param job
+	 * @param delay
+	 * @param periodicTO
+	 * @param retries number of retries, or continous if -1
+	 */
+	public OfflineTask(String key, int queueNumber, IOfflineTaskJob job,
+			long delay, long periodicTO, int retries)
+	{
+		super();
+		this.key = key;
+		this.queueNumber = queueNumber;
+		this.job = job;
+		this.delay = delay;
+		this.periodicTO = periodicTO;
+		this.retries = retries;
+	}
+
+
+	public boolean isValid() { return (key != null && job != null); }
+
+	@Override
+	public void run()
+	{
+		/*
+		 * check if we need to run the job
+		 */
+		if (enoughTimeToRun())
+			// execute
+			OfflineTaskManager.getInstance().executeTask(key,queueNumber);
+	}
+
+
+	public boolean resolveContinue()
+	{
+		if (retries > 0)
+			retries--;
+
+		if (retries == 0)
+			return false;
+		else
+			return job.continueNextTime();
+	}
+
+	public boolean enoughTimeToRun()
+	{
+		if (retries == -1 && 
+			(System.currentTimeMillis() - scheduledExecutionTime() >= job.getMaxTardiness()) )
+			return false;
+		else
+			return true;
+	}
+
+
+	public void runJob()
+	{
+		job.run();
+		
+	}
+	
+	public void cancelJob()
+	{
+		job.jobCancelled();
+		
+	}
+}

src/main/java/otm/OfflineTaskManager.java

+package utils.otm;
+
+import itc.ItcMessage;
+import itc.ItcMessageQueue;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Map.Entry;
+import java.util.Set;
+import java.util.Timer;
+import java.util.concurrent.atomic.AtomicInteger;
+
+import utils.common.Log4jHandler;
+import utils.mtqm.MultiThreadQueueManager;
+
+/**
+ * need to change to ScheduledThreadPoolExecutor and concurrent hash map
+ * 
+ * @author amir
+ *
+ */
+public class OfflineTaskManager extends MultiThreadQueueManager
+{
+	private final static int START_TASK = 1;
+	private final static int CANCEL_TASK = 2;
+	private final static int EXECUTE_JOB = 3;
+	private final static String MY_NAME = MultiThreadQueueManager.class.getName();
+	private final static Log4jHandler logger = new Log4jHandler(OfflineTaskManager.class.getName());
+	private static OfflineTaskManager sInstance = null;
+	AtomicInteger currentThread = new AtomicInteger(0);
+	
+	public class OfflineTaskManagerJobThread extends MultiThreadQueueManager.JobThread
+	{
+		Timer jobTimer = null;
+		Map<String,OfflineTask> taskMap = null;
+		
+		public OfflineTaskManagerJobThread(ItcMessageQueue queue,
+				int threadNumber)
+		{
+			super(queue, threadNumber);
+			jobTimer = new Timer(OfflineTaskManagerJobThread.class.getName() + String.valueOf(this.getThreadNumber()));
+			this.setName("OfflineTaskManagerJobThread" + String.valueOf(this.getThreadNumber()));
+			taskMap = new HashMap<String, OfflineTask>();
+
+		}
+	
+		
+		@Override
+		public void stopRunning()
+		{
+			jobTimer.cancel();
+			super.stopRunning();
+		}
+
+
+		@Override
+		protected void handleReceiveMsg(ItcMessage msg)
+		{
+			/*
+			 * handle op-code
+			 */
+			switch (msg.getOpCode())
+			{
+			case START_TASK:
+				handleStartTask(msg);
+				break;
+			case CANCEL_TASK:
+				handleCancelTask(msg,true);
+				break;
+			case EXECUTE_JOB:
+				handleExecuteJob(msg);
+				break;
+			default:
+				break;
+			}
+		}
+		
+		
+		private void handleStartTask(ItcMessage msg)
+		{
+			
+			/*
+			 * validate
+			 * add Task To Hash
+			 */
+			String key = (String)msg.getExtraMsgObj();
+			OfflineTask ot = (OfflineTask)msg.getMsgObj();
+			if (ot.isValid())
+			{
+				logger.info("start : " + ot.job.getClass().getName() + ", sent from: " + msg.getFromSender() + " on thread: " + this.getThreadNumber());
+				System.out.println("start : " + key + ", sent from: " + msg.getFromSender() + " on thread: " + this.getThreadNumber());
+				this.taskMap.put(key, ot);
+				/*
+				 * start timer
+				 */
+				if (ot.retries != 0)
+					this.jobTimer.schedule(ot, ot.delay,ot.periodicTO);
+				else
+					this.jobTimer.schedule(ot, ot.delay);
+			}
+			else
+				logger.severe("Got invalid task");
+		}
+		
+		private void handleExecuteJob(ItcMessage msg)
+		{
+			/*
+			 * get the task from hash
+			 */
+			String key = (String)msg.getExtraMsgObj();
+			if (key != null)
+			{
+				OfflineTask ot = this.taskMap.get(key);
+				if (ot != null)
+				{
+					//System.out.println("execute : " + key + ", before enoughTimeToRun, sent from: " + msg.getFromSender() + " on thread: " + this.getThreadNumber());
+					
+					if (ot.enoughTimeToRun())
+					{
+						logger.info("execute : " + ot.job.getClass().getName() + ", sent from: " + msg.getFromSender() + " on thread: " + this.getThreadNumber());
+						//System.out.println("execute : " + key + ", sent from: " + msg.getFromSender() + " on thread: " + this.getThreadNumber());
+						ot.runJob();
+						if (!ot.resolveContinue())
+						{
+							/*
+							 * cancel task
+							 */
+							handleCancelTask(msg,false);
+						}
+					}
+					else
+						logger.info("not enough time to execute : " + ot.job.getClass().getName() + " on thread: " + this.getThreadNumber());
+					
+				}
+			}			
+		}
+		
+		/**
+		 * 
+		 * @param msg
+		 * @param forced - from request by client
+		 */
+		private void handleCancelTask(ItcMessage msg, boolean forced)
+		{
+			String key = (String)msg.getExtraMsgObj();
+			if (key != null)
+			{
+				logger.info("removing task for: " + key + " from hash" + ", sent from: " + msg.getFromSender() + " on thread: " + this.getThreadNumber());
+				//System.out.println("removing task for: " + key + " from hash" + ", sent from: " + msg.getFromSender() + " on thread: " + this.getThreadNumber());
+				OfflineTask ot = this.taskMap.remove(key);
+				if (ot != null)
+				{
+					ot.cancel();
+					if (forced)
+						ot.cancelJob();
+				}
+			}
+		}
+		
+	}
+	
+	public synchronized static void createInstance()
+	{
+		sInstance = new OfflineTaskManager();
+		
+	}
+	public static OfflineTaskManager getInstance() {
+		if (sInstance == null)
+			createInstance();
+    	return sInstance;
+    }
+    
+	
+	@Override
+	public boolean startManager(int numOfThreads, int defaultQueueSize)
+	{
+		mNumOfThreads = numOfThreads;
+		mJobQueueArray = new ArrayList<ItcMessageQueue>();
+		mJobThreadArray = new ArrayList<JobThread>();
+		for (int i = 0; i < mNumOfThreads; i++)
+		{
+			ItcMessageQueue queue = new ItcMessageQueue(defaultQueueSize);
+			mJobQueueArray.add(queue);
+			JobThread thr = new OfflineTaskManagerJobThread(queue,i);
+			mJobThreadArray.add(thr);
+			thr.start();
+		}
+		return true;
+	}
+	
+	/**
+	 * push an offline task
+	 * @param key NOTE: key must be unique among different tasks per user e.g. key = user@task_name
+	 * @param job - the job task
+	 * @param delay - start delay
+	 * @param periodicTO - between jobs
+	 * @param retries number of retries, or continous if -1
+	 */
+	public boolean pushTask(String key,IOfflineTaskJob job,long delay,long periodicTO,int retries)
+	{
+		/*
+		 * validate params
+		 */
+		if (validateParams(key,job,delay,periodicTO,retries))
+		{
+			/*
+			 * getting the queueNumber
+			 */
+			int queueNum = currentThread.getAndIncrement() % this.mNumOfThreads; //this.getQueueNumber(key);
+			/*
+			 * allocate offline task
+			 */
+			OfflineTask ot = new OfflineTask(key, queueNum, job, delay, periodicTO, retries);
+			/*
+			 * send task (start)
+			 */
+			return this.sendJob(START_TASK, ot, key, queueNum,MY_NAME);
+		}
+		else
+			logger.warning("invalid params");
+		
+		return false;	
+	}
+	
+	private boolean validateParams(String key, IOfflineTaskJob job, long delay,	long periodicTO, int retries)
+	{
+		boolean bValid = false;
+		if (key != null && job != null)
+		{
+			switch (retries)
+			{
+			case 0:
+				// one time
+				bValid = true;
+				break;
+			case -1:
+			default:
+				// forever (GTC)
+				if (periodicTO > 0)
+					bValid = true;
+				break;
+			}
+		}
+		return bValid;
+	}
+
+	/**
+	 * cancel the task
+	 * @param key
+	 */
+	public void cancelTask(String key)
+	{
+		/*
+		 * getting the queueNumber
+		 */
+		int queueNum = this.getQueueNumber(key);
+		mJobQueueArray.get(queueNum).sendMsg(CANCEL_TASK, null, key, MY_NAME);
+	}
+	
+	public void executeTask(String key, int queueNumber)
+	{
+		mJobQueueArray.get(queueNumber).sendMsg(EXECUTE_JOB, null, key, MY_NAME);
+	}
+	
+	
+	public final Map<String,String> getCurrentRunningTasks()
+	{
+		Map<String,String> tasksMap = new HashMap<String, String>();
+		for (JobThread jt : mJobThreadArray)
+		{
+			if (jt != null)
+			{
+				OfflineTaskManagerJobThread otjt = (OfflineTaskManagerJobThread)jt;
+				Set<Entry<String, OfflineTask>> set = otjt.taskMap.entrySet();
+				if (set != null && !set.isEmpty())
+				{
+					for (Entry<String, OfflineTask> entry : set)
+					{
+						if (entry != null)
+						{
+							tasksMap.put("Thread: " + otjt.getName(),"Key: " + entry.getKey() + ", Task: " + entry.getValue().getClass().getName() +
+										", scheduledExecutionTime: " + String.valueOf(entry.getValue().scheduledExecutionTime()));
+						}
+					}
+				}
+			}
+			
+		}
+		
+		return tasksMap;
+	}
+}

src/main/java/timerManager/ITimerEventListener.java

+package utils.timerManager;
+
+public interface ITimerEventListener
+{
+	public void timerElapsed(String key, String tag,Object appData);
+	public void timerStopped(String key, String tag);
+}

src/main/java/timerManager/TimerManager.java

+package utils.timerManager;
+
+import java.util.Map;
+import java.util.UUID;
+
+import utils.common.Log4jHandler;
+import utils.otm.IOfflineTaskJob;
+import utils.otm.OfflineTaskManager;
+
+/**
+ * 
+ * @author amir
+ *
+ */
+public class TimerManager
+{
+	private static final String NO_TAG = "no-tag";
+
+	private class TimerManagerTask extends IOfflineTaskJob
+	{
+		String key;
+		String tag;
+		Object appData;
+		
+		public TimerManagerTask(String key, String tag, Object appData)
+		{
+			super();
+			this.key = key;
+			this.tag = tag;
+			this.appData = appData;
+		}
+		@Override
+		public void run()
+		{
+			logger.info("TimerManagerTask.run: " + key + ",tag: " + tag);
+			if (listener != null)
+				listener.timerElapsed(key, tag, appData);
+
+			
+		}
+		@Override
+		public boolean continueNextTime()
+		{
+			return false;
+		}
+		
+		
+		public void jobCancelled()
+		{
+			logger.info("TimerManagerTask.jobCancelled: " + key + ",tag: " + tag);
+			if (listener != null)
+				listener.timerStopped(key, tag);
+		}
+	
+	}
+	
+	private class TimerManagerPeriodicTask extends TimerManagerTask
+	{
+		public TimerManagerPeriodicTask(String key, String tag, Object appData)
+		{
+			super(key,tag,appData);
+		}
+		
+		@Override
+		public boolean continueNextTime()
+		{
+			return true;
+		}
+	
+	}
+	
+	private final static Log4jHandler logger = new Log4jHandler(TimerManager.class.getName());
+	
+	ITimerEventListener listener = null;
+	OfflineTaskManager offlineTaskManager = null;
+	public boolean init(ITimerEventListener listener, int threadPoolSize, int timerQueueSize)
+	{
+		this.listener = listener;
+		offlineTaskManager = OfflineTaskManager.getInstance();// new OfflineTaskManager();
+		boolean result = offlineTaskManager.startManager(threadPoolSize,timerQueueSize);
+		return result;
+	}
+	
+	/**
+	 * start timer
+	 * @param toMilliSeconds - timeout in milliseconds
+	 * @param key - key must be unique
+	 * @param tag - tagging the timer
+	 * @param appData - application metadata, optional
+	 * @return the timer key on success, null on fail
+	 */
+	public String startTimer(int toMilliSeconds, String key, String tag, Object appData)
+	{
+		tag = (tag != null) ? tag :NO_TAG;
+		key = (key != null) ? key : UUID.randomUUID().toString();
+		
+		logger.info("starting timer for: " + key + ", tag: " + tag + ", duration: " + String.valueOf(toMilliSeconds));
+		TimerManagerTask timerManagerTask = new TimerManagerTask(key,tag,appData);
+		if(offlineTaskManager.pushTask(key, timerManagerTask, toMilliSeconds, 0, 0))
+			return key;
+		return null;
+	}
+	
+	
+	/**
+	 * starting a periodic timer - loop until cancelled
+	 * @param toMilliSeconds
+	 * @param key
+	 * @param tag
+	 * @return the timer key on success, null on fail
+	 */
+	public String startPeriodicTimer(int toMilliSeconds, String key, String tag, Object appData)
+	{
+		tag = (tag != null) ? tag :NO_TAG;
+		key = (key != null) ? key : UUID.randomUUID().toString();
+		
+		logger.info("starting timer for: " + key + ", tag: " + tag + ", duration: " + String.valueOf(toMilliSeconds));
+		TimerManagerTask timerManagerTask = new TimerManagerPeriodicTask(key,tag,appData);
+		if (offlineTaskManager.pushTask(key, timerManagerTask,0, toMilliSeconds, -1))
+			return key;
+		return null;
+	}
+	
+	/**
+	 * stopping the selected timer
+	 * @param key
+	 */
+	public void stopTimer(String key)
+	{
+		logger.info("cancel timer for: " + key);
+		offlineTaskManager.cancelTask(key);
+	}
+	
+	public final Map<String,String> getRunningTimerTasks()
+	{
+		return offlineTaskManager.getCurrentRunningTasks();
+	}
+}

src/test/java/TestSchedulars.java

+import org.junit.Test;
+
+import java.util.concurrent.Executors;
+import java.util.concurrent.ScheduledExecutorService;
+import java.util.concurrent.ScheduledFuture;
+
+import static java.util.concurrent.TimeUnit.SECONDS;
+
+/**
+ * Created by amir on 19/05/16.
+ */
+public class TestSchedulars {
+
+    class BeeperControl {
+        private final ScheduledExecutorService scheduler =
+                Executors.newScheduledThreadPool(1);
+
+        public void beepForAnHour() {
+            final Runnable beeper = new Runnable() {
+
+                public void run() {
+                    try {
+                        Thread.sleep(100);
+                    } catch (InterruptedException e) {
+                        e.printStackTrace();
+                    }
+                    System.out.println("beep");
+                }
+            };
+            final ScheduledFuture<?> beeperHandle1 =
+                    scheduler.scheduleAtFixedRate(beeper, 10, 15, SECONDS);
+             final ScheduledFuture<?> beeperHandle2 =
+                    scheduler.scheduleAtFixedRate(beeper, 10, 10, SECONDS);
+            scheduler.schedule(new Runnable() {
+                public void run() { beeperHandle1.cancel(true); }
+            }, 60 * 60, SECONDS);
+        }
+    }
+
+    @Test
+    public void testBeeper() throws InterruptedException {
+        BeeperControl bc = new BeeperControl();
+        bc.beepForAnHour();
+        Thread.sleep(60000);
+    }
+}