Improved Java Code Conventions compliance

Changes made:
* Fixed Code conventions bugs
* Added test classes to improve code coverage

Change-Id: Id524d002cb4fa1bf973be2cfb90729199af94d8e
Issue-ID: CCSDK-151
Signed-off-by: Rich Tabedzki <richard.tabedzki@att.com>

6 files changed, 90 insertions, 92 deletions

diff --git a/aai-service/provider/src/main/java/org/onap/ccsdk/sli/adaptors/aai/AAIClient.java b/aai-service/provider/src/main/java/org/onap/ccsdk/sli/adaptors/aai/AAIClient.java
index 3684cf21..6f466c3b 100755
--- a/aai-service/provider/src/main/java/org/onap/ccsdk/sli/adaptors/aai/AAIClient.java
+++ b/aai-service/provider/src/main/java/org/onap/ccsdk/sli/adaptors/aai/AAIClient.java
@@ -24,7 +24,6 @@ package org.onap.ccsdk.sli.adaptors.aai;
 import java.io.IOException;
 import java.net.MalformedURLException;
 import java.net.URL;
-import java.util.HashMap;
 import java.util.Map;
 
 import org.openecomp.aai.inventory.v11.*;
@@ -76,9 +75,9 @@ public interface AAIClient extends SvcLogicResource, SvcLogicJavaPlugin {
 
     public void logKeyError(String keys);
 
-    public QueryStatus processResponseData(String rv, String resource, AAIRequest request, String prefix,  SvcLogicContext ctx, HashMap<String, String> nameValues, String modifier) throws JsonParseException, JsonMappingException, IOException, AAIServiceException ;
+    public QueryStatus processResponseData(String rv, String resource, AAIRequest request, String prefix,  SvcLogicContext ctx, Map<String, String> nameValues, String modifier) throws JsonParseException, JsonMappingException, IOException, AAIServiceException ;
     public String getPathTemplateForResource(String resoourceName, String join, SvcLogicContext ctx) throws MalformedURLException;
-    public boolean isDeprecatedFormat(String resource, HashMap<String, String> nameValues);
+    public boolean isDeprecatedFormat(String resource, Map<String, String> nameValues);
 
     String query(AAIRequest request) throws AAIServiceException;
     String save(AAIRequest request) throws AAIServiceException;
diff --git a/aai-service/provider/src/main/java/org/onap/ccsdk/sli/adaptors/aai/AAIClientRESTExecutor.java b/aai-service/provider/src/main/java/org/onap/ccsdk/sli/adaptors/aai/AAIClientRESTExecutor.java
index 252f3197..906cd838 100755
--- a/aai-service/provider/src/main/java/org/onap/ccsdk/sli/adaptors/aai/AAIClientRESTExecutor.java
+++ b/aai-service/provider/src/main/java/org/onap/ccsdk/sli/adaptors/aai/AAIClientRESTExecutor.java
@@ -103,7 +103,6 @@ public     class AAIClientRESTExecutor implements AAIExecutorInterface {
         truststorePassword = props.getProperty(AAIService.TRUSTSTORE_PSSWD);
         keystorePath         = props.getProperty(AAIService.KEYSTORE_PATH);
         keystorePassword     = props.getProperty(AAIService.KEYSTORE_PSSWD);
-//        this.read_timeout = read_timeout;
 
         String tmpApplicationId =props.getProperty(AAIService.APPLICATION_ID);
         if(tmpApplicationId == null || tmpApplicationId.isEmpty()) {
@@ -310,14 +309,12 @@ public     class AAIClientRESTExecutor implements AAIExecutorInterface {
                 errorresponse.setRequestError(requestError);
                 throw new AAIServiceException(responseCode, errorresponse);
             } else {
-//                StringBuilder errorStringBuilder = new StringBuilder();
                 String line = null;
                 while( ( line = reader.readLine() ) != null ) {
                     errorStringBuilder.append("\n").append( line );
                 }
 
                 ErrorResponse errorresponse = mapper.readValue(errorStringBuilder.toString(), ErrorResponse.class);
-//                ErrorResponse errorresponse = mapper.readValue(reader, ErrorResponse.class);
                 LOGwriteEndingTrace(responseCode, responseMessage, mapper.writeValueAsString(errorresponse));
                 throw new AAIServiceException(responseCode, errorresponse);
             }
@@ -373,16 +370,16 @@ public     class AAIClientRESTExecutor implements AAIExecutorInterface {
                 LOG.error("", exc);
             }
 
-            URL requestUrl = null;
-            HttpURLConnection con = getConfiguredConnection(requestUrl = request.getRequestUrl(HttpMethod.PUT, resourceVersion), HttpMethod.PUT);
+            URL requestUrl = request.getRequestUrl(HttpMethod.PUT, resourceVersion);
+            HttpURLConnection con = getConfiguredConnection(requestUrl, HttpMethod.PUT);
             ObjectMapper mapper = AAIService.getObjectMapper();
-            String json_text = request.toJSONString();
+            String jsonText = request.toJSONString();
 
-            LOGwriteDateTrace("data", json_text);
-            logMetricRequest("PUT "+requestUrl.getPath(), json_text, requestUrl.getPath());
+            LOGwriteDateTrace("data", jsonText);
+            logMetricRequest("PUT "+requestUrl.getPath(), jsonText, requestUrl.getPath());
 
             OutputStreamWriter osw = new OutputStreamWriter(con.getOutputStream());
-            osw.write(json_text);
+            osw.write(jsonText);
             osw.flush();
 
             // Check for errors
@@ -454,8 +451,8 @@ public     class AAIClientRESTExecutor implements AAIExecutorInterface {
         }
 
         try {
-            URL requestUrl = null;
-            HttpURLConnection conn = getConfiguredConnection(requestUrl = request.getRequestUrl(HttpMethod.DELETE, resourceVersion), HttpMethod.DELETE);
+            URL requestUrl = request.getRequestUrl(HttpMethod.DELETE, resourceVersion);
+            HttpURLConnection conn = getConfiguredConnection(requestUrl, HttpMethod.DELETE);
             logMetricRequest("DELETE "+requestUrl.getPath(), "", requestUrl.getPath());
             conn.setDoOutput(true);
 
@@ -527,11 +524,10 @@ public     class AAIClientRESTExecutor implements AAIExecutorInterface {
     public Object query(AAIRequest request, Class clas) throws AAIServiceException {
         Object response = null;
         InputStream inputStream = null;
-        HttpURLConnection con = null;
-        URL requestUrl = null;
 
         try {
-            con = getConfiguredConnection(requestUrl = request.getRequestQueryUrl(HttpMethod.GET), HttpMethod.GET);
+            URL requestUrl = request.getRequestQueryUrl(HttpMethod.GET);
+            HttpURLConnection con = getConfiguredConnection(requestUrl, HttpMethod.GET);
             logMetricRequest("GET "+requestUrl.getPath(), "", requestUrl.getPath());
 
             // Check for errors
@@ -574,7 +570,6 @@ public     class AAIClientRESTExecutor implements AAIExecutorInterface {
                     LOG.warn("GET", exc);
                 }
             }
-            con = null;
         }
         return response;
     }
@@ -592,13 +587,13 @@ public     class AAIClientRESTExecutor implements AAIExecutorInterface {
             URL requestUrl = null;
             HttpURLConnection con = getConfiguredConnection(requestUrl = request.getRequestUrl("PATCH", resourceVersion), "PATCH");
             ObjectMapper mapper = AAIService.getObjectMapper();
-            String json_text = request.toJSONString();
+            String jsonText = request.toJSONString();
 
-            LOGwriteDateTrace("data", json_text);
-            logMetricRequest("PATCH "+requestUrl.getPath(), json_text, requestUrl.getPath());
+            LOGwriteDateTrace("data", jsonText);
+            logMetricRequest("PATCH "+requestUrl.getPath(), jsonText, requestUrl.getPath());
 
             OutputStreamWriter osw = new OutputStreamWriter(con.getOutputStream());
-            osw.write(json_text);
+            osw.write(jsonText);
             osw.flush();
 
             // Check for errors
@@ -723,8 +718,6 @@ public     class AAIClientRESTExecutor implements AAIExecutorInterface {
         String targetEntity = "A&AI";
         String targetVirtualEntity = null;
 
-        targetServiceName = "";
-
         ml.logRequest(svcInstanceId, svcName, partnerName, targetEntity, targetServiceName, targetVirtualEntity, msg);
     }
 
diff --git a/aai-service/provider/src/main/java/org/onap/ccsdk/sli/adaptors/aai/AAIDeclarations.java b/aai-service/provider/src/main/java/org/onap/ccsdk/sli/adaptors/aai/AAIDeclarations.java
index 7966fa97..d1b148d5 100755
--- a/aai-service/provider/src/main/java/org/onap/ccsdk/sli/adaptors/aai/AAIDeclarations.java
+++ b/aai-service/provider/src/main/java/org/onap/ccsdk/sli/adaptors/aai/AAIDeclarations.java
@@ -818,7 +818,7 @@ public abstract class AAIDeclarations implements AAIClient {
         return retval;
     }
 
-    public QueryStatus processResponseData(String rv, String resource, AAIRequest request, String prefix,  SvcLogicContext ctx, HashMap<String, String> nameValues, String modifier) throws JsonParseException, JsonMappingException, IOException, AAIServiceException
+    public QueryStatus processResponseData(String rv, String resource, AAIRequest request, String prefix,  SvcLogicContext ctx, Map<String, String> nameValues, String modifier) throws JsonParseException, JsonMappingException, IOException, AAIServiceException
     {
         Object response;
 
diff --git a/aai-service/provider/src/main/java/org/onap/ccsdk/sli/adaptors/aai/AAIService.java b/aai-service/provider/src/main/java/org/onap/ccsdk/sli/adaptors/aai/AAIService.java
index 73454694..9e6e60f9 100755
--- a/aai-service/provider/src/main/java/org/onap/ccsdk/sli/adaptors/aai/AAIService.java
+++ b/aai-service/provider/src/main/java/org/onap/ccsdk/sli/adaptors/aai/AAIService.java
@@ -1520,7 +1520,7 @@ public class AAIService extends AAIDeclarations implements AAIClient, SvcLogicRe
     }
 
     @Override
-    public boolean isDeprecatedFormat(String resource, HashMap<String, String> nameValues) {
+    public boolean isDeprecatedFormat(String resource, Map<String, String> nameValues) {
         return !AAIServiceUtils.isValidFormat(resource, nameValues);
     }
 
diff --git a/aai-service/provider/src/main/java/org/onap/ccsdk/sli/adaptors/aai/AAIServiceException.java b/aai-service/provider/src/main/java/org/onap/ccsdk/sli/adaptors/aai/AAIServiceException.java
index ff182f2d..9fac977d 100644
--- a/aai-service/provider/src/main/java/org/onap/ccsdk/sli/adaptors/aai/AAIServiceException.java
+++ b/aai-service/provider/src/main/java/org/onap/ccsdk/sli/adaptors/aai/AAIServiceException.java
@@ -3,14 +3,14 @@
  * openECOMP : SDN-C
  * ================================================================================
  * Copyright (C) 2017 AT&T Intellectual Property. All rights
- * 			reserved.
+ *             reserved.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
- * 
+ *
  *      http://www.apache.org/licenses/LICENSE-2.0
- * 
+ *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@@ -25,53 +25,62 @@ import org.onap.ccsdk.sli.adaptors.aai.data.ErrorResponse;
 
 public class AAIServiceException extends Exception {
 
-	/**
-	 * 
-	 */
-	private static final long serialVersionUID = -9039257722542999522L;
-	
-	protected ErrorResponse errorResponse = null;
-	protected int returnCode = -1;
+    /**
+     *
+     */
+    private static final long serialVersionUID = -9039257722542999522L;
 
-	public AAIServiceException() {
+    protected final ErrorResponse errorResponse;
+    protected final int returnCode;
 
-	}
+    public AAIServiceException() {
+        returnCode = -1;
+        errorResponse = null;
+    }
 
-	public AAIServiceException(String message) {
-		super(message);
-	}
+    public AAIServiceException(String message) {
+        super(message);
+        returnCode = -1;
+        errorResponse = null;
+    }
 
-	public AAIServiceException(Throwable cause) {
-		super(cause);
-	}
+    public AAIServiceException(Throwable cause) {
+        super(cause);
+        returnCode = -1;
+        errorResponse = null;
+    }
 
-	public AAIServiceException(String message, Throwable cause) {
-		super(message, cause);
-	}
+    public AAIServiceException(String message, Throwable cause) {
+        super(message, cause);
+        returnCode = -1;
+        errorResponse = null;
+    }
 
-	public AAIServiceException(String message, Throwable cause,
-			boolean enableSuppression, boolean writableStackTrace) {
-		super(message, cause, enableSuppression, writableStackTrace);
-	}
+    public AAIServiceException(String message, Throwable cause,
+            boolean enableSuppression, boolean writableStackTrace) {
+        super(message, cause, enableSuppression, writableStackTrace);
+        returnCode = -1;
+        errorResponse = null;
+    }
 
-	public AAIServiceException(int returnCode, ErrorResponse errorresponse) {
-		this.errorResponse = errorresponse;
-		this.returnCode = returnCode;
-	}
-	
-	public ErrorResponse getErrorResponse() {
-		return errorResponse;
-	}
+    public AAIServiceException(int returnCode, ErrorResponse errorresponse) {
+        this.errorResponse = errorresponse;
+        this.returnCode = returnCode;
+    }
 
-	public int getReturnCode() {
-		return returnCode;
-	}
-	
-	public String getMessage() {
-		if(errorResponse != null) {
-			return errorResponse.getRequestError().getServiceException().getText();
-		} else {
-			return super.getMessage();
-		}
-	}
+    public ErrorResponse getErrorResponse() {
+        return errorResponse;
+    }
+
+    public int getReturnCode() {
+        return returnCode;
+    }
+
+    public String getMessage() {
+        if(errorResponse != null) {
+            return errorResponse.getRequestError().getServiceException().getText();
+        } else {
+            return super.getMessage();
+        }
+    }
 }
diff --git a/aai-service/provider/src/main/java/org/onap/ccsdk/sli/adaptors/aai/AAIServiceUtils.java b/aai-service/provider/src/main/java/org/onap/ccsdk/sli/adaptors/aai/AAIServiceUtils.java
index 102835d9..ca2af1df 100755
--- a/aai-service/provider/src/main/java/org/onap/ccsdk/sli/adaptors/aai/AAIServiceUtils.java
+++ b/aai-service/provider/src/main/java/org/onap/ccsdk/sli/adaptors/aai/AAIServiceUtils.java
@@ -28,6 +28,7 @@ import java.net.URI;
 import java.net.URISyntaxException;
 import java.util.Arrays;
 import java.util.HashMap;
+import java.util.Map;
 import java.util.HashSet;
 import java.util.Iterator;
 import java.util.LinkedList;
@@ -49,14 +50,14 @@ public class AAIServiceUtils {
 
     private static final Logger LOG = LoggerFactory.getLogger(AAIService.class);
 
+    private AAIServiceUtils() {
+    }
+
     public static String getPrimaryIdFromClass(Class<? extends AAIDatum> resourceClass){
         // 1. find class
         getLogger().debug(resourceClass.getName());
-        AAIDatum instance = null;
 
         try {
-            instance = resourceClass.newInstance();
-
             Annotation[] annotations = resourceClass.getAnnotations();
             for(Annotation annotation : annotations) {
                 Class<? extends Annotation> anotationType = annotation.annotationType();
@@ -73,19 +74,15 @@ public class AAIServiceUtils {
                 }
             }
         } catch(Exception exc) {
-
+            getLogger().warn("getPrimaryIdFromClass failed", exc);
         }
         return null;
     }
 
     public static String getSecondaryIdFromClass(Class<? extends AAIDatum> resourceClass){
-        // 1. find class
         getLogger().debug(resourceClass.getName());
-        AAIDatum instance = null;
 
         try {
-            instance = resourceClass.newInstance();
-
             Annotation[] annotations = resourceClass.getAnnotations();
             for(Annotation annotation : annotations) {
                 Class<? extends Annotation> anotationType = annotation.annotationType();
@@ -112,16 +109,16 @@ public class AAIServiceUtils {
         return null;
     }
 
-	public static Method getRelationshipListGetterMethodFromClassDefinition(Class resourceClass) {
-		Method getRelationshipListMethod = null;
-		
-		try {
-			 getRelationshipListMethod = resourceClass.getMethod("getRelationshipList");
-		} catch(Exception exc) {
-			getLogger().debug("Retrofiting relationship data: " + exc.getMessage());
-		}
-		return getRelationshipListMethod;
-	}
+    public static Method getRelationshipListGetterMethodFromClassDefinition(Class resourceClass) {
+        Method getRelationshipListMethod = null;
+
+        try {
+             getRelationshipListMethod = resourceClass.getMethod("getRelationshipList");
+        } catch(Exception exc) {
+            getLogger().debug("Retrofiting relationship data: " + exc.getMessage());
+        }
+        return getRelationshipListMethod;
+    }
 
     private static Logger getLogger() {
         return LOG;
@@ -314,10 +311,10 @@ public class AAIServiceUtils {
         return request.getRequestPath();
     }
 
-    public static boolean isValidFormat(String resource, HashMap<String, String> nameValues) {
+    public static boolean isValidFormat(String resource, Map<String, String> nameValues) {
 
         switch(resource){
-	case "custom-query":
+    case "custom-query":
         case "formatted-query":
         case "generic-query":
         case "named-query":
@@ -336,10 +333,10 @@ public class AAIServiceUtils {
         Set<String> keys = nameValues.keySet();
         for(String key : keys) {
             if(!key.contains(".")) {
-				if("depth".equals(key) || "related-to".equals(key) || "related_to".equals(key) || "related-link".equals(key) || "related_link".equals(key) || "selflink".equals(key) || "resource_path".equals(key))
+                if("depth".equals(key) || "related-to".equals(key) || "related_to".equals(key) || "related-link".equals(key) || "related_link".equals(key) || "selflink".equals(key) || "resource_path".equals(key))
                     continue;
                 else {
-					getLogger().warn(String.format("key '%s' is incompatible with resource type '%s'", key, resource));
+                    getLogger().warn(String.format("key '%s' is incompatible with resource type '%s'", key, resource));
                 }
             }
         }