Fix Blocker and Critical Sonar issues/bugs.

Includes ad-hoc fixes for sonar issues within the files modified.

Change-Id: Ide181bbe3e05cbc969706a3d798cd99c5609a0b2
Issue-id: AAI-246
Signed-off-by: Dileep Ranganathan <dileep.ranganathan@intel.com>

9 files changed, 76 insertions, 66 deletions

diff --git a/aai-core/src/main/java/org/openecomp/aai/db/schema/ScriptDriver.java b/aai-core/src/main/java/org/openecomp/aai/db/schema/ScriptDriver.java
index 458c4c90..9a90ea28 100644
--- a/aai-core/src/main/java/org/openecomp/aai/db/schema/ScriptDriver.java
+++ b/aai-core/src/main/java/org/openecomp/aai/db/schema/ScriptDriver.java
@@ -36,7 +36,7 @@ import com.thinkaurelius.titan.core.TitanGraph;
 
 public class ScriptDriver {
 
-	
+
 	/**
 	 * The main method.
 	 *
@@ -46,7 +46,7 @@ public class ScriptDriver {
 	 * @throws JsonMappingException the json mapping exception
 	 * @throws IOException Signals that an I/O exception has occurred.
 	 */
-	public static void main (String[] args) throws AAIException, JsonGenerationException, JsonMappingException, IOException {
+	public static void main (String[] args) throws AAIException, IOException {
 		CommandLineArgs cArgs = new CommandLineArgs();
 		
 		new JCommander(cArgs, args);
@@ -56,26 +56,24 @@ public class ScriptDriver {
 		}
 		String config = cArgs.config;
 		AAIConfig.init();
-		TitanGraph graph = TitanFactory.open(config);
-		if (!(cArgs.type.equals("oxm") || cArgs.type.equals("graph"))) {
-			System.out.println("type: " + cArgs.type + " not recognized.");
-			System.exit(1);
-		}
-		
-		Auditor a = null;
-		if (cArgs.type.equals("oxm")) {
-			a = AuditorFactory.getOXMAuditor(Version.v8);
-		} else if (cArgs.type.equals("graph")) {
-			a = AuditorFactory.getGraphAuditor(graph);
+		try (TitanGraph graph = TitanFactory.open(config)) {
+			if (!("oxm".equals(cArgs.type) || "graph".equals(cArgs.type))) {
+				System.out.println("type: " + cArgs.type + " not recognized.");
+				System.exit(1);
+			}
+
+			AuditDoc doc = null;
+			if ("oxm".equals(cArgs.type)) {
+				doc = AuditorFactory.getOXMAuditor(Version.v8).getAuditDoc();
+			} else if ("graph".equals(cArgs.type)) {
+				doc = AuditorFactory.getGraphAuditor(graph).getAuditDoc();
+			}
+
+			ObjectMapper mapper = new ObjectMapper();
+
+			String json = mapper.writerWithDefaultPrettyPrinter().writeValueAsString(doc);
+			System.out.println(json);
 		}
-		
-		AuditDoc doc = a.getAuditDoc();
-		
-		ObjectMapper mapper = new ObjectMapper();
-		
-		String json = mapper.writerWithDefaultPrettyPrinter().writeValueAsString(doc);
-		System.out.println(json);
-		
 	}
 	
 }
diff --git a/aai-core/src/main/java/org/openecomp/aai/dbgen/DataGrooming.java b/aai-core/src/main/java/org/openecomp/aai/dbgen/DataGrooming.java
index f0aaf607..8dca75c5 100644
--- a/aai-core/src/main/java/org/openecomp/aai/dbgen/DataGrooming.java
+++ b/aai-core/src/main/java/org/openecomp/aai/dbgen/DataGrooming.java
@@ -395,8 +395,7 @@ public class DataGrooming {
 			}
 
 			LOGGER.info(" Will write to " + fullOutputFileName );
-			FileWriter fw = new FileWriter(groomOutFile.getAbsoluteFile());
-			bw = new BufferedWriter(fw);
+			bw = new BufferedWriter(new FileWriter(groomOutFile.getAbsoluteFile()));
 			ErrorLogHelper.loadProperties();
 			
 			LOGGER.info("    ---- NOTE --- about to open graph (takes a little while)--------\n");
@@ -1273,7 +1272,7 @@ public class DataGrooming {
 					LOGGER.warn("Got an IOException trying to close bufferedWriter() \n", iox);
 				}
 			}
-			
+
 			if (g != null && g.tx().isOpen()) {
 				// Any changes that worked correctly should have already done
 				// their commits.
@@ -1424,13 +1423,11 @@ public class DataGrooming {
 		// Vertex Id's to delete on this run
 		Set<String> delList = new LinkedHashSet<>();
 		String fullFileName = targetDir + AAIConstants.AAI_FILESEP + fileName;
-		BufferedReader br = null;
-		
-		try {
-			br = new BufferedReader(new FileReader(fullFileName));
+
+		try(BufferedReader br = new BufferedReader(new FileReader(fullFileName))) {
 			String line = br.readLine();
 			while (line != null) {
-				if (!line.equals("") && line.startsWith("DeleteCandidate")) {
+				if (!"".equals(line) && line.startsWith("DeleteCandidate")) {
 					if (edgesOnlyFlag && (!line.contains("Bad Edge"))) {
 						// We're not going to process edge guys
 					} else if (dontFixOrphans && line.contains("Orphan")) {
@@ -1554,7 +1551,8 @@ public class DataGrooming {
 		try {
 			keyProps = loader.introspectorFromName(vtxANodeType).getKeys();
 		} catch (AAIUnknownObjectException e) {
-			throw new AAIException("AAI_6105", "Required Property name(s) not found for nodeType = " + vtxANodeType + ")"); 
+			LOGGER.warn("Required property not found", e);
+			throw new AAIException("AAI_6105", "Required Property name(s) not found for nodeType = " + vtxANodeType + ")");
 		}
 		
 		Iterator<String> keyPropI = keyProps.iterator();
@@ -2310,7 +2308,7 @@ public class DataGrooming {
 			return 0;
 		}
 		long unixTimeNow = System.currentTimeMillis();
-		long windowInMillis = timeWindowMinutes * 60 * 1000;
+		long windowInMillis = timeWindowMinutes * 60L * 1000;
 		
 		long startTimeStamp = unixTimeNow - windowInMillis;
 		
diff --git a/aai-core/src/main/java/org/openecomp/aai/dbmap/AAIGraph.java b/aai-core/src/main/java/org/openecomp/aai/dbmap/AAIGraph.java
index b3cc8994..2ee8baf5 100644
--- a/aai-core/src/main/java/org/openecomp/aai/dbmap/AAIGraph.java
+++ b/aai-core/src/main/java/org/openecomp/aai/dbmap/AAIGraph.java
@@ -54,11 +54,12 @@ import com.thinkaurelius.titan.core.schema.TitanManagement;
  */
 public class AAIGraph {
 
-	protected Map<String, TitanGraph> graphs = new HashMap<>();
+	private static final EELFLogger logger = EELFManager.getInstance().getLogger(AAIGraph.class);
 	protected static final String COMPONENT = "aaidbmap";
+	protected Map<String, TitanGraph> graphs = new HashMap<>();
 	private final String REALTIME_DB = "realtime";
 	private final String CACHED_DB = "cached";
-	private final EELFLogger logger = EELFManager.getInstance().getLogger(this.getClass().getSimpleName());
+
 
 
 	/**
@@ -95,38 +96,22 @@ public class AAIGraph {
 	}
 	
 	private void loadGraph(String name, String configPath) throws AAIException {
-		try {
-			final TitanGraph graph = TitanFactory.open(configPath);
-			InputStream is = new FileInputStream(configPath);
-	        Properties graphProps = new Properties();
-	        graphProps.load(is);
-	        
-			if (graphProps.get("storage.backend").equals("inmemory")) { 
+		try (TitanGraph graph = TitanFactory.open(configPath);
+			InputStream is = new FileInputStream(configPath)) {
+
+			Properties graphProps = new Properties();
+			graphProps.load(is);
+
+			if ("inmemory".equals(graphProps.get("storage.backend"))) {
 				// Load the propertyKeys, indexes and edge-Labels into the DB
 				loadSchema(graph);
-				if (graphProps.containsKey("load.snapshot.file")) {
-					String value = graphProps.getProperty("load.snapshot.file");
-					if ("true".equals(value)) {
-						try {
-							String location = System.getProperty("snapshot.location");
-							logAndPrint(logger, "Loading snapshot to inmemory graph.");
-							Graph transaction = graph.newTransaction();
-							transaction.io(IoCore.graphson()).readGraph(location);
-							transaction.tx().commit();
-							logAndPrint(logger, "Snapshot loaded to inmemory graph.");
-						} catch (IOException e) {
-							graph.close();
-							logAndPrint(logger, "ERROR: Could not load datasnapshot to in memory graph. \n" + ExceptionUtils.getFullStackTrace(e));
-							System.exit(0);
-						}
-					}
-				}
+				loadSnapShotToInMemoryGraph(graph, graphProps);
 			}
-			
+
 			if (graph == null) {
 				throw new AAIException("AAI_5102");
 			}
-			
+
 			graphs.put(name, graph);
 		} catch (FileNotFoundException fnfe) {
 			throw new AAIException("AAI_4001");
@@ -135,7 +120,30 @@ public class AAIGraph {
 
 	    }
 	}
-	
+
+	private void loadSnapShotToInMemoryGraph(TitanGraph graph, Properties graphProps) {
+		if (logger.isDebugEnabled()) {
+			logger.debug("Load Snapshot to InMemory Graph");
+		}
+		if (graphProps.containsKey("load.snapshot.file")) {
+			String value = graphProps.getProperty("load.snapshot.file");
+			if ("true".equals(value)) {
+				try (Graph transaction = graph.newTransaction()) {
+					String location = System.getProperty("snapshot.location");
+					logAndPrint(logger, "Loading snapshot to inmemory graph.");
+					transaction.io(IoCore.graphson()).readGraph(location);
+					transaction.tx().commit();
+					logAndPrint(logger, "Snapshot loaded to inmemory graph.");
+				} catch (Exception e) {
+					logAndPrint(logger,
+						"ERROR: Could not load datasnapshot to in memory graph. \n"
+							+ ExceptionUtils.getFullStackTrace(e));
+					System.exit(0);
+				}
+			}
+		}
+	}
+
 	private void loadSchema(TitanGraph graph) {
 		// Load the propertyKeys, indexes and edge-Labels into the DB
 		TitanManagement graphMgt = graph.openManagement();
diff --git a/aai-core/src/main/java/org/openecomp/aai/dmaap/AAIDmaapEventJMSConsumer.java b/aai-core/src/main/java/org/openecomp/aai/dmaap/AAIDmaapEventJMSConsumer.java
index a30ebc0d..8acb954e 100644
--- a/aai-core/src/main/java/org/openecomp/aai/dmaap/AAIDmaapEventJMSConsumer.java
+++ b/aai-core/src/main/java/org/openecomp/aai/dmaap/AAIDmaapEventJMSConsumer.java
@@ -52,13 +52,11 @@ public class AAIDmaapEventJMSConsumer implements MessageListener {
 
 	public AAIDmaapEventJMSConsumer() throws org.apache.commons.configuration.ConfigurationException {
 		super();
-		try {
+		try(FileReader reader = new FileReader(new File(AAIConstants.AAI_EVENT_DMAAP_PROPS))) {
 
 			if (this.httpClient == null) {
-				FileReader reader = new FileReader(new File(AAIConstants.AAI_EVENT_DMAAP_PROPS));
 				aaiEventProps = new Properties();
 				aaiEventProps.load(reader);
-				reader.close();
 
 				String host = aaiEventProps.getProperty("host");
 				String topic = aaiEventProps.getProperty("topic");
@@ -70,6 +68,7 @@ public class AAIDmaapEventJMSConsumer implements MessageListener {
 
 		} catch (IOException e) {
 			ErrorLogHelper.logError("AAI_4000", "Error updating dmaap config file for aai event.");
+			LOGGER.error(e.getMessage(), e);
 		}
 
 	}
diff --git a/aai-core/src/main/java/org/openecomp/aai/parsers/uri/URIParser.java b/aai-core/src/main/java/org/openecomp/aai/parsers/uri/URIParser.java
index b4d5ee80..27a5145a 100644
--- a/aai-core/src/main/java/org/openecomp/aai/parsers/uri/URIParser.java
+++ b/aai-core/src/main/java/org/openecomp/aai/parsers/uri/URIParser.java
@@ -141,6 +141,9 @@ public class URIParser {
 						throw new AAIException("AAI_3000", uri + " not a valid path. Cannot end in " + RestTokens.COUSIN);
 					}
 					introspector = loader.introspectorFromName(parts[i+1]);
+					if(null == previousObj) {
+						throw new AAIException("AAI_3001");
+					}
 					if (previousObj.isContainer() && introspector.isContainer()) {
 						throw new AAIException("AAI_3000", uri + " not a valid path. Cannot chain plurals together");
 					}
diff --git a/aai-core/src/main/java/org/openecomp/aai/query/builder/GraphTraversalBuilder.java b/aai-core/src/main/java/org/openecomp/aai/query/builder/GraphTraversalBuilder.java
index 73b57d06..d0a7098f 100644
--- a/aai-core/src/main/java/org/openecomp/aai/query/builder/GraphTraversalBuilder.java
+++ b/aai-core/src/main/java/org/openecomp/aai/query/builder/GraphTraversalBuilder.java
@@ -221,7 +221,7 @@ public abstract class GraphTraversalBuilder<E> extends QueryBuilder<E> {
 						prop = metadata.get();
 					}
 					//this is because the index is registered as an Integer
-					if (val != null && val.getClass().equals(Long.class)) {
+					if (val.getClass().equals(Long.class)) {
 						traversal.has(prop,new Integer(val.toString()));
 					} else {
 						traversal.has(prop, val);
diff --git a/aai-core/src/main/java/org/openecomp/aai/serialization/db/DBSerializer.java b/aai-core/src/main/java/org/openecomp/aai/serialization/db/DBSerializer.java
index c04c460a..bf70b690 100644
--- a/aai-core/src/main/java/org/openecomp/aai/serialization/db/DBSerializer.java
+++ b/aai-core/src/main/java/org/openecomp/aai/serialization/db/DBSerializer.java
@@ -744,7 +744,7 @@ public class DBSerializer {
 									Introspector argumentObject = obj.newIntrospectorInstanceOfNestedProperty(property);
 									
 									Object result = dbToObject(argumentObject, childVertex, seen, depth, nodeOnly, cleanUp);
-									if (result != null) { 
+									if (result != null && getList != null) {
 										getList.add(argumentObject.getUnderlyingObject());
 									}
 									
diff --git a/aai-core/src/main/java/org/openecomp/aai/util/GenerateXsd.java b/aai-core/src/main/java/org/openecomp/aai/util/GenerateXsd.java
index 76c954e7..99a06f49 100644
--- a/aai-core/src/main/java/org/openecomp/aai/util/GenerateXsd.java
+++ b/aai-core/src/main/java/org/openecomp/aai/util/GenerateXsd.java
@@ -1763,7 +1763,7 @@ public class GenerateXsd {
 				Object nodeset = expr.evaluate(element, XPathConstants.NODESET);
 				if (nodeset != null) {
 					NodeList nodes = (NodeList) nodeset;
-					if (nodes != null && nodes.getLength() > 0) {
+					if (nodes.getLength() > 0) {
 						Element xmlProperty = (Element)nodes.item(0);
 						result = xmlProperty.getElementsByTagName("xml-property");
 					}
diff --git a/aai-core/src/main/java/org/openecomp/aai/util/swagger/GenerateSwagger.java b/aai-core/src/main/java/org/openecomp/aai/util/swagger/GenerateSwagger.java
index 07f201e7..5731485e 100644
--- a/aai-core/src/main/java/org/openecomp/aai/util/swagger/GenerateSwagger.java
+++ b/aai-core/src/main/java/org/openecomp/aai/util/swagger/GenerateSwagger.java
@@ -76,6 +76,10 @@ public class GenerateSwagger {
             ex.printStackTrace();
         }
 
+        if(null == swaggerMap) {
+            throw new IOException();
+        }
+
         Map<String, Object> map = (Map<String, Object>) swaggerMap.get("paths");
         Map<String, Object> schemaDefinitionmap = (Map<String, Object>) swaggerMap.get("definitions");
         Map<String, Object> infoMap = (Map<String, Object>) swaggerMap.get("info");