Removed useless assignment to local variables

Issue-Id:SO-118

Change-Id: I29ec088aa52073f4e9df5503ede9f306c72e41d0
Signed-off-by: rama-huawei <rama.subba.reddy.s@huawei.com>

3 files changed, 10 insertions, 7 deletions

diff --git a/mso-api-handlers/mso-api-handler-common/src/main/java/org/openecomp/mso/apihandler/common/XMLValidator.java b/mso-api-handlers/mso-api-handler-common/src/main/java/org/openecomp/mso/apihandler/common/XMLValidator.java
index 353246f576..b498259eed 100644
--- a/mso-api-handlers/mso-api-handler-common/src/main/java/org/openecomp/mso/apihandler/common/XMLValidator.java
+++ b/mso-api-handlers/mso-api-handler-common/src/main/java/org/openecomp/mso/apihandler/common/XMLValidator.java
@@ -65,7 +65,7 @@ public class XMLValidator {
             stringXsd = IOUtils.toString (xsdStream);
 
             factory = SchemaFactory.newInstance (XMLConstants.W3C_XML_SCHEMA_NS_URI);
-            factory.setResourceResolver ((new PathResourceResolver (XSDS_PATH)));
+            factory.setResourceResolver (new PathResourceResolver (XSDS_PATH));
             factory.setFeature (XMLConstants.FEATURE_SECURE_PROCESSING, true);
 
             String quotedXsd = stringXsd.replaceAll (""", "\"");
@@ -90,7 +90,7 @@ public class XMLValidator {
 
         } catch (IOException | SAXException e) {
             msoLogger.debug ("Exception: ", e);
-            return ("ErrorDetails: " + e.getMessage ());
+            return "ErrorDetails: " + e.getMessage ();
 
         } catch (Exception e) {
             msoLogger.error (MessageEnum.APIH_CANNOT_READ_SCHEMA, "", "", MsoLogger.ErrorCode.SchemaError, "APIH cannot read schema file", e);
diff --git a/mso-api-handlers/mso-api-handler-infra/src/main/java/org/openecomp/mso/apihandlerinfra/Messages.java b/mso-api-handlers/mso-api-handler-infra/src/main/java/org/openecomp/mso/apihandlerinfra/Messages.java
index 0f39ad07b6..91bf2df48c 100644
--- a/mso-api-handlers/mso-api-handler-infra/src/main/java/org/openecomp/mso/apihandlerinfra/Messages.java
+++ b/mso-api-handlers/mso-api-handler-infra/src/main/java/org/openecomp/mso/apihandlerinfra/Messages.java
@@ -28,7 +28,7 @@ import org.openecomp.mso.apihandler.common.ErrorNumbers;
 
 public class Messages {
 
-	public static final Map<String,String> errors = new HashMap<String,String>();
+	public static final Map<String,String> errors = new HashMap<>();
 	static {
 		errors.put(ErrorNumbers.REQUEST_FAILED_SCHEMA_VALIDATION + "_service", "Service request FAILED schema validation. %s");
 		errors.put(ErrorNumbers.REQUEST_FAILED_SCHEMA_VALIDATION + "_feature", "Feature request FAILED schema validation. %s");
@@ -46,4 +46,7 @@ public class Messages {
 		errors.put(ErrorNumbers.NO_COMMUNICATION_TO_CATALOG_DB, "Could not communicate with MSO_CATALOG DB %s");
 		errors.put(ErrorNumbers.ERROR_FROM_CATALOG_DB, "Received error from MSO_CATALOG DB %s");		
 	}
+	
+	private Messages(){
+	}	
 }
diff --git a/mso-api-handlers/mso-api-handler-infra/src/main/java/org/openecomp/mso/apihandlerinfra/NetworkInfoHandler.java b/mso-api-handlers/mso-api-handler-infra/src/main/java/org/openecomp/mso/apihandlerinfra/NetworkInfoHandler.java
index f61a50bb06..bcea8fd8d5 100644
--- a/mso-api-handlers/mso-api-handler-infra/src/main/java/org/openecomp/mso/apihandlerinfra/NetworkInfoHandler.java
+++ b/mso-api-handlers/mso-api-handler-infra/src/main/java/org/openecomp/mso/apihandlerinfra/NetworkInfoHandler.java
@@ -85,7 +85,7 @@ public class NetworkInfoHandler {
                                          + aicNodeClli
                                          + " - tenant id "
                                          + tenantId);
-        Response response = null;
+        Response response;
         if (networkType != null) {
             response = this.getRequestList ("vnfType", networkType, version);
         } else {
@@ -216,7 +216,7 @@ public class NetworkInfoHandler {
         MsoLogger.setLogContext (requestId, null);
         getMsoLogger ().debug ("getRequest: " + requestId);
 
-        String responseString = null;
+        String responseString;
 
         InfraActiveRequests activeReq = (RequestsDatabase.getInstance()).getRequestFromInfraActive (requestId, "NETWORK");
         if (activeReq != null) {
@@ -239,7 +239,7 @@ public class NetworkInfoHandler {
                                                                                                    queryValue,
                                                                                                    "NETWORK");
 
-        List <NetworkRequest> queryResponseList = new LinkedList <NetworkRequest> ();
+        List <NetworkRequest> queryResponseList = new LinkedList <> ();
 
         if (activeReqList != null) {
             // build response for active
@@ -283,7 +283,7 @@ public class NetworkInfoHandler {
     }
 
     private List <NetworkRequest> infraRequestsResponses (List <? extends InfraRequests> arList, String version) {
-        List <NetworkRequest> queryResponseList = new LinkedList <NetworkRequest> ();
+        List <NetworkRequest> queryResponseList = new LinkedList <> ();
 
         for (InfraRequests ar : arList) {
             NetworkRequest qr = fillGeneric (ar);