Mde: first version that includes loading of services and adapters and…

Mde: first version that includes loading of services and adapters and implementation of some of the Rest methods (mostely READ)

src/main/java/defs/Constants.java

@@ -5,6 +5,7 @@ package defs;
  */
 public class Constants {
     public static final String ADAPTERS_PATH = "adapters.json";
+    public static final String SERVICES_PATH = "services.json";
     public static final String CONFIG_LOCATION = "/opt/mcx/config/";
 
 }

src/main/java/logic/MdeManager.java

 package logic;
 
+import com.fasterxml.jackson.databind.JsonNode;
+import common.JsonHandler;
 import logic.adapter.BaseAdapter;
 //import logic.adapter.HttpAdapter.model.DataHttpAdapter;
 import logic.adapter.HttpAdapter.HttpAdapter;
 import logic.adapter.repository.AdaptersRepository;
+import logic.service.model.Action;
+import logic.service.model.Api;
+import logic.service.model.Service;
+import logic.service.repository.ServicesRepository;
 import microservice.RequestContext;
 import microservice.io.iface.ILogger;
 import microservice.types.BaseRestResponse;
+import rx.functions.Actions;
 import util.MDEResult;
 
 import java.util.List;
@@ -19,68 +26,58 @@ public class MdeManager {
     private static final String DS_IP_ADDRESS = System.getProperty("ds.IpAddress", "localhost:8080");
     private ILogger logger;
     private AdaptersRepository adaptersRepository;
-//    // TODO: 7/5/16  
-//    private ServicesRepository adaptersRepository;
+    private ServicesRepository servicesRepository;
 
-    private List<String>             serviceList = null;
 
     public MdeManager(ILogger logger) {
         try{
             this.logger = logger;
-            LoadServices();
+            LoadServices(logger);
             loadAdapters(logger);
+            ValidityCheck();
         }
         catch(Exception e){
-
+            logger.error("Failed to construct MdeManager with exception "+e);
         }
     }
 
-    private void loadAdapters(ILogger logger)
-    {
-        adaptersRepository = new AdaptersRepository(logger);
-        adaptersRepository.load();
+    public ServicesRepository getServicesRepository() {
+        return servicesRepository;
     }
 
-    //read the cfg file SERVICES_FILE_NAME, to load each of the supported services
-    public void  LoadServices() {
-//        final static String file = BASE_FILE_LOCATION+RELETIVE_FILE_PATH;
-//        JsonNode jNode = readJsonFromFile(file);
+    public void setServicesRepository(ServicesRepository servicesRepository) {
+        this.servicesRepository = servicesRepository;
     }
 
+    // example: GET ../mde/chicago/transportation/routes?key=gT2nciTKwRv6Jy5njqm8fe7LW
     public BaseRestResponse doRead(RequestContext requestContext) {
-
-        BaseRestResponse brr;
-//        String tenantId = requestContext.params[0];
-        String serviceId = requestContext.params[0];
-        String apiId = requestContext.params[1];
-
-// example: GET ../mde/chicago.transportation/routes?key=gT2nciTKwRv6Jy5njqm8fe7LW
-
-//        Service service = servicesRepository.getService(serviceId)
-//        Actions actions = servicesRepository.getServiceActions(apiId);
-//        for(Action action : actions)
-//        {
-//            String actionType = action.getType();
-//            if (actionType.equals(("forwardRequest"))) {
-//                BaseAdapter adapter = adaptersRepository.getAdapter(action.getAdapterId() );
-//                adapter.activateCommand(action.apiOut);
-//            }
-//
-//        }
-
-//        adapter.activateCommand(action.apiOut);
-
-        String name = Thread.currentThread().getStackTrace()[1].getMethodName();
-        HttpAdapter adapter = (HttpAdapter) adaptersRepository.getAdapter("adapter.chicago.transportation" );
+        BaseRestResponse brr=null;
+        String serviceId = requestContext.params[0] +"." +requestContext.params[1];
+        String apiId = requestContext.params[2];
+
+        Api api= servicesRepository.getApi(serviceId,apiId);
+        List<Action> actions =  api.getActions();
+        // TODO: 7/18/16 currently handle one action only
+        for(Action action : actions)
+        {
+            BaseAdapter adapter = adaptersRepository.getAdapter(action.getAdapterId());
             if (adapter!=null) {
-            MDEResult mdeResult = adapter.activateCommand(requestContext,/*action.apiOut*/ "getroutes");
-            brr = new BaseRestResponse(mdeResult.getSuccess(), mdeResult.getError());
-            brr.objectNode = mdeResult.getJsonData().get("data");
+                MDEResult mdeResult = adapter.activateCommand(requestContext,action.getApiOut());
+                if (mdeResult.getSuccess()) {
+                    brr = new BaseRestResponse(true, null);
+                    JsonNode node = mdeResult.getJsonData().get("data");
+                    String str = node.asText();
+                    brr.objectNode = JsonHandler.getJsonNodeFromString(str);
+                }else{
+                    brr=new BaseRestResponse(false, mdeResult.getError());
+                }
             }
             else
-        {
-            brr=new BaseRestResponse(false, "failed to find adapter "/*+ action.getAdapterId()*/+" adapter.chicago.transportation" );
+                brr=new BaseRestResponse(false, "failed to find adapter "+ action.getAdapterId());
         }
+        if (brr==null)
+            brr=new BaseRestResponse(false, "failed to activate command");
+
         return brr;
 
 
@@ -97,4 +94,24 @@ public class MdeManager {
     public BaseRestResponse doDelete(RequestContext requestContext) {
         return new BaseRestResponse(false, "method " +Thread.currentThread().getStackTrace()[1].getMethodName() + "not implemented yet");
     }
+
+
+
+
+    // TODO: 7/18/16  check that each of the adapters loaded in the services actually exists
+    private void ValidityCheck() {
+    }
+
+    private void loadAdapters(ILogger logger)
+    {
+        adaptersRepository = new AdaptersRepository(logger);
+        adaptersRepository.load();
+    }
+
+    //read the cfg file SERVICES_FILE_NAME, to load each of the supported services
+    private void  LoadServices(ILogger logger) {
+        servicesRepository = new ServicesRepository(logger);
+        servicesRepository.load();
+    }
+
 }

src/main/java/logic/adapter/repository/AdaptersRepository.java

@@ -30,28 +30,21 @@ public class AdaptersRepository {
         jsonNode = Utils.readJsonNodeFromFile(Constants.CONFIG_LOCATION+Constants.ADAPTERS_PATH);
         if (jsonNode!=null) {
             adaptersArray = (ArrayNode) jsonNode.get("adapters");
-
-            if ( adaptersArray!= null && !adaptersArray.isNull() &&!adaptersArray.isArray()) {
-//                logger.error("syntax error in file: " + CONFIG_LOCATION + ADAPTERS_PATH + ". the value of \"adapters\" must be array node");
-                return;
+            this.loadAdapters( adaptersArray);
+        }else{
+            logger.error(Thread.currentThread().getStackTrace()[1].getMethodName()+" Failed to read file: "+ Constants.CONFIG_LOCATION+Constants.ADAPTERS_PATH);
         }
-            else
-            // load adapters
-            {
+    }
+
+    private void loadAdapters(ArrayNode adaptersArray) {
+        if ( adaptersArray!= null && !adaptersArray.isNull() && adaptersArray.isArray()) {
             for (int i = 0; i < adaptersArray.size(); i++) {
                 JsonNode jsonAdapter = adaptersArray.get(i);
                 String adapterId = jsonAdapter.get("id").asText();
                 String adapterType = jsonAdapter.get("type").asText();
                 switch (adapterType) {
                     case "HttpAdapter":
-                            HttpAdapter httpAdapter = null;
-                            try {
-                                httpAdapter = new HttpAdapter(logger, adapterId);
-                                adapterList.put(adapterId, httpAdapter);
-                            } catch (Exception e) {
-                                e.printStackTrace();
-                                logger.error("failed to load adapter: " + adapterId+ ", Exception:" + e.toString());
-                            }
+                        this.addHttpAdapter(adapterId);
                         break;
                     default:
                         //shouldnt get here
@@ -59,9 +52,19 @@ public class AdaptersRepository {
                 }
             }
         }
+        else
+            logger.error(Thread.currentThread().getStackTrace()[1].getMethodName()+" Failed to load adapters");
     }
 
-
+    private void addHttpAdapter(String adapterId) {
+        HttpAdapter httpAdapter;
+        try {
+            httpAdapter = new HttpAdapter(logger, adapterId);
+            adapterList.put(adapterId, httpAdapter);
+        } catch (Exception e) {
+            e.printStackTrace();
+            logger.error("failed to load adapter: " + adapterId+ ", Exception:" + e.toString());
+        }
     }
 
     public BaseAdapter getAdapter(String adapterId){

src/main/java/logic/service/model/Action.java

+package logic.service.model;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+
+/**
+ * Created by eli on 7/18/16.
+ */
+
+public class Action {
+
+    @JsonProperty("adapterId")
+    private String adapterId;
+    @JsonProperty("apiOut")
+    private String apiOut;
+
+    /**
+     *
+     * @return
+     * The adapterId
+     */
+    @JsonProperty("adapterId")
+    public String getAdapterId() {
+        return adapterId;
+    }
+
+    /**
+     *
+     * @param adapterId
+     * The adapterId
+     */
+    @JsonProperty("adapterId")
+    public void setAdapterId(String adapterId) {
+        this.adapterId = adapterId;
+    }
+
+    /**
+     *
+     * @return
+     * The apiOut
+     */
+    @JsonProperty("apiOut")
+    public String getApiOut() {
+        return apiOut;
+    }
+
+    /**
+     *
+     * @param apiOut
+     * The apiOut
+     */
+    @JsonProperty("apiOut")
+    public void setApiOut(String apiOut) {
+        this.apiOut = apiOut;
+    }
+
+}
+

src/main/java/logic/service/model/Api.java

+package logic.service.model;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Created by eli on 7/18/16.
+ */
+
+public class Api {
+    @JsonProperty("apiIn")
+    private String apiIn;
+    @JsonProperty("actions")
+    private List<Action> actions = new ArrayList<>();
+
+    /**
+     *
+     * @return
+     * The apiIn
+     */
+    @JsonProperty("apiIn")
+    public String getApiIn() {
+        return apiIn;
+    }
+
+    /**
+     *
+     * @param apiIn
+     * The apiIn
+     */
+    @JsonProperty("apiIn")
+    public void setApiIn(String apiIn) {
+        this.apiIn = apiIn;
+    }
+
+    /**
+     *
+     * @return
+     * The actions
+     */
+    @JsonProperty("actions")
+    public List<Action> getActions() {
+        return actions;
+    }
+
+    /**
+     *
+     * @param actions
+     * The actions
+     */
+    @JsonProperty("actions")
+    public void setActions(List<Action> actions) {
+        this.actions = actions;
+    }
+}
+
+

src/main/java/logic/service/model/Service.java

+package logic.service.model;
+
+import com.fasterxml.jackson.annotation.JsonIgnore;
+import com.fasterxml.jackson.annotation.JsonProperty;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Created by eli on 7/18/16.
+ */
+
+public class Service {
+    @JsonProperty("apiList")
+    private List<Api> apiList = new ArrayList<>();
+
+    /**
+     *
+     * @return
+     * The apiList
+     */
+    @JsonProperty("apiList")
+    public List<Api> getApiList() {
+        return apiList;
+    }
+
+    /**
+     *
+     * @param apiList
+     * The apiList
+     */
+    @JsonProperty("apiList")
+    public void setApiList(List<Api> apiList) {
+        this.apiList = apiList;
+    }
+
+    public Api getApi(String apiId){
+        for (Api api : apiList) {
+            if (api.getApiIn().equals(apiId))
+                return api;
+        }
+        return null;
+    }
+}

src/main/java/logic/service/repository/ServicesRepository.java

+package logic.service.repository;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.node.ArrayNode;
+import common.JsonHandler;
+import defs.Constants;
+import logic.adapter.BaseAdapter;
+import logic.adapter.HttpAdapter.HttpAdapter;
+import logic.service.model.Api;
+import logic.service.model.Service;
+import microservice.io.iface.ILogger;
+import util.Utils;
+
+import java.util.HashMap;
+
+/**
+ * Created by eli on 7/18/16.
+ */
+public class ServicesRepository {
+
+        private ILogger logger;
+        private HashMap<String, Service> serviceList = null;
+
+
+        public ServicesRepository(ILogger logger) {
+            this.logger = logger;
+            serviceList = new HashMap<>();
+        }
+        public void load() {
+            ArrayNode servicesArray;
+            JsonNode jsonNode;
+            jsonNode = Utils.readJsonNodeFromFile(Constants.CONFIG_LOCATION+Constants.SERVICES_PATH);
+            if (jsonNode!=null) {
+                servicesArray = (ArrayNode) jsonNode.get("services");
+                this.loadServices( servicesArray);
+            }else{
+                logger.error(Thread.currentThread().getStackTrace()[1].getMethodName()+" Failed to read file: "+ Constants.CONFIG_LOCATION+Constants.SERVICES_PATH);
+            }
+        }
+
+        private void loadServices(ArrayNode servicesArray) {
+            if ( servicesArray!= null && !servicesArray.isNull() && servicesArray.isArray()) {
+                for (int i = 0; i < servicesArray.size(); i++) {
+                    JsonNode jsonService = servicesArray.get(i);
+                    String serviceId = jsonService.get("id").asText();
+                    this.addService(serviceId);
+                    }
+                }
+            else
+                logger.error(Thread.currentThread().getStackTrace()[1].getMethodName()+" Failed to load Services");
+        }
+
+    private void addService(String serviceId) {
+        JsonNode serviceNode;
+        if (serviceId!=null) {
+            StringBuilder serviceFile=new StringBuilder(Constants.CONFIG_LOCATION).
+                    append("service.").append(serviceId).append(".json");
+            serviceNode = Utils.readJsonNodeFromFile(serviceFile.toString());
+            Service service = (Service)JsonHandler.getNodeAsObject(serviceNode,Service.class);
+            if (serviceList.putIfAbsent(serviceId,service) != null)
+                logger.debug("service " +serviceId + " was loaded successfully");
+        }
+        else{
+            logger.error("Failed to load serviceId (null)");
+        }
+    }
+
+
+
+    public Api getApi(String serviceId, String apiId) {
+        Service service = serviceList.get(serviceId);
+        if (service!=null){
+            return service.getApi(apiId);
+        }
+        else
+            return null;
+    }
+}

src/test/java/TestHttpAdapter.java

 import logic.adapter.HttpAdapter.HttpAdapter;
 import logic.adapter.HttpAdapter.model.DataHttpApi;
 import logic.adapter.model.DataModel;
+import logic.adapter.repository.AdaptersRepository;
 import microservice.io.iface.ILogger;
 import org.junit.Test;
 
@@ -13,6 +14,7 @@ public class TestHttpAdapter {
     public void testHttpAdapter() {
         HttpAdapter httpAdapter;
         try {
+
             httpAdapter = new HttpAdapter(logger, "adapter.chicago.transportation");
             DataModel<DataHttpApi> data=httpAdapter.getDataModel();
             System.out.println(data.toString());
@@ -21,4 +23,19 @@ public class TestHttpAdapter {
         }
 
     }
+
+    @Test
+    public void testAdapterRepository() {
+        HttpAdapter httpAdapter;
+
+        try {
+            AdaptersRepository repository = new AdaptersRepository(logger);
+            repository.load();
+
+
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+
+    }
 }

src/test/java/TestJson.java

@@ -4,7 +4,7 @@ import logic.adapter.HttpAdapter.model.DataHttpApi;
 import logic.adapter.model.DataModel;
 import org.junit.Test;
 import util.Utils;
-import utils.common.JsonHandler;
+import common.JsonHandler;
 
 import java.lang.reflect.Type;
 import java.util.ArrayList;

src/test/java/TestMdeHandler.java

+import handlers.MdeHandler;
+import microservice.io.iface.ILogger;
+import microservice.io.impl.ILogger4jImpl;
+import org.junit.Test;
+
+/**
+ * Created by eli on 7/18/16.
+ */
+public class TestMdeHandler {
+    @Test
+    public void testMdeHandler(){
+        ILogger logger = new ILogger4jImpl("testMdeHandler");
+        MdeHandler mdeHandler = new MdeHandler(logger);
+        mdeHandler.init();
+        System.out.println("testMdeHandler() completed");
+    }
+}