inject viewDir from cameraList + add api for cameraGroup

src/main/java/logic/GEManager.java

@@ -66,6 +66,9 @@ public class GEManager {
         else if (apiIdAsParams.length == 3  &&  apiIdAsParams[0].equals("camera")  &&  apiIdAsParams[2].equals("latestImage")) {
             brr = getLatestMediaFile(apiIdAsParams[1] /*camId*/, "IMAGE", requestContext);
         }
+        else if (apiIdAsParams.length == 3  &&  apiIdAsParams[0].equals("camera")  &&  apiIdAsParams[2].equals("details")) {
+            brr = getCameraDetails(apiIdAsParams[1] /*camId*/, requestContext);
+        }
         else {
             String err = "executeRequest() failed. Unknown api: " + getApiIdString(apiIdAsParams);
             return errorResponse(err);
@@ -227,6 +230,67 @@ public class GEManager {
         return brr;
     }
 
+    private BaseRestResponse getCameraDetails(String cameraId, RequestContext requestContext) {
+        SimpleHttpRequest req = null;
+        SimpleHttpResponse httpResp = null;
+        BaseRestResponse brr = new BaseRestResponse(false,null);
+
+        logger.info("getCameraDetails() activated. camId=" + cameraId);
+
+        // execute the request ...
+        req = buildCameraDetailsHttpRequest(cameraId);
+        try {
+            httpResp = httpClient.processRequest(req);
+            if(httpResp.getStatusCode() == 200)
+                brr = buildCameraDetailsResp(httpResp);
+            else {
+                logHttpError("getCameraDetails", httpResp);
+                return errorHttpResponse(httpResp);
+            }
+
+        } catch (Exception e) {
+            String err = "getCameraDetails() failed with exception.  e=" + e.toString();
+            logger.error(err);
+            return errorResponse(err);
+        }
+
+        logger.info("getCameraDetails() successfull. camId=" + cameraId);
+        return brr;
+    }
+
+    private SimpleHttpRequest buildCameraDetailsHttpRequest(String camId) {
+        SimpleHttpRequest request = new SimpleHttpRequest();
+        request.setProtocol("https");
+        request.setDomain(METADATA_URL);
+        request.setPort(443);
+        request.setMethod(SimpleHttpRequest.Method.GET);
+        String path = ASSETS_URL + "/" + camId;
+        request.setPath(path);
+        request.addHeader("Authorization", "Bearer " + TOKEN);
+        request.addHeader("Predix-Zone-Id", PARKING_ZONE_ID);
+        return request;
+    }
+
+    private BaseRestResponse buildCameraDetailsResp(SimpleHttpResponse resp) {
+        BaseRestResponse brr = new BaseRestResponse(true,null);
+        int size;
+        String content = resp.getContent();
+        ObjectMapper mapper = new ObjectMapper();
+        try {
+            JsonNode contentObj = mapper.readTree(content);
+            String view = contentObj.at("/properties/VIEW").asText();
+            ObjectNode objectNode = mapper.createObjectNode();
+            objectNode.put("view", view);
+
+            brr.objectNode = objectNode;
+
+        } catch (IOException e) {
+            return new BaseRestResponse(false, e.toString());
+        }
+        return brr;
+    }
+
+
     private boolean getNewAccessToken() {
         SimpleHttpRequest req = null;
         SimpleHttpResponse httpResp = null;