Fix sonar issues

Fix use try-with-resources issues

Issue-ID: AAI-1368
Change-Id: I267df61915ac1596cc8645c62ccf43eb04fd7ac5
Signed-off-by: Parshad Patel <pars.patel@samsung.com>

3 files changed, 20 insertions, 23 deletions

diff --git a/aai-core/src/main/java/org/onap/aai/util/PojoUtils.java b/aai-core/src/main/java/org/onap/aai/util/PojoUtils.java
index 8354d841..f3e67388 100644
--- a/aai-core/src/main/java/org/onap/aai/util/PojoUtils.java
+++ b/aai-core/src/main/java/org/onap/aai/util/PojoUtils.java
@@ -162,16 +162,17 @@ public class PojoUtils {
 	 * @param clazz the clazz
 	 * @return the xml from object
 	 * @throws JAXBException the JAXB exception
+	 * @throws IOException 
 	 */
-	public <T> String getXmlFromObject(T clazz) throws JAXBException {
-		ByteArrayOutputStream baos = new ByteArrayOutputStream();
-		JAXBContext jc = JAXBContext.newInstance(clazz.getClass().getPackage().getName());
-
-		Marshaller marshaller = jc.createMarshaller();
-		marshaller.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, true);
-		marshaller.marshal(clazz, baos);
-
-		return baos.toString();
+	public <T> String getXmlFromObject(T clazz) throws JAXBException, IOException {
+		try(ByteArrayOutputStream baos = new ByteArrayOutputStream()){
+			JAXBContext jc = JAXBContext.newInstance(clazz.getClass().getPackage().getName());
+	
+			Marshaller marshaller = jc.createMarshaller();
+			marshaller.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, true);
+			marshaller.marshal(clazz, baos);
+			return baos.toString();
+		}
 	}
 
 	/**
diff --git a/aai-core/src/main/java/org/onap/aai/util/genxsd/YAMLfromOXM.java b/aai-core/src/main/java/org/onap/aai/util/genxsd/YAMLfromOXM.java
index 930e2fb2..f90d54e6 100644
--- a/aai-core/src/main/java/org/onap/aai/util/genxsd/YAMLfromOXM.java
+++ b/aai-core/src/main/java/org/onap/aai/util/genxsd/YAMLfromOXM.java
@@ -111,7 +111,7 @@ public class YAMLfromOXM extends OxmFileProcessor {
 		try {
 			init();
 		} catch(Exception e) {
-			logger.error( "Error initializing " + this.getClass());
+			logger.error( "Error initializing " + this.getClass(),e);
 			throw e;
 		}		
 		pathSb.append(getDocumentHeader());
@@ -441,7 +441,7 @@ public class YAMLfromOXM extends OxmFileProcessor {
 				results.get(key).stream().filter((i) -> (i.getFrom().equals(xmlRootElementName) && (! i.isPrivateEdge() && i.getPreventDelete().equals("OUT")))).forEach((i) ->{ preventDelete.add(i.getTo().toUpperCase());} );
 			}
 		} catch(Exception e) {
-			logger.debug("xmlRootElementName: "+xmlRootElementName+"\n"+e);
+			logger.debug("xmlRootElementName: "+xmlRootElementName+"\n",e);
 		}
 		try {
 			EdgeRuleQuery q1 = new EdgeRuleQuery.Builder(xmlRootElementName).version(v).toOnly().build();
@@ -454,7 +454,7 @@ public class YAMLfromOXM extends OxmFileProcessor {
 				results.get(key).stream().filter((i) -> (i.getTo().equals(xmlRootElementName) && (! i.isPrivateEdge() && i.getPreventDelete().equals("IN")))).forEach((i) ->{ preventDelete.add(i.getFrom().toUpperCase());} );
 			}
 		} catch(Exception e) {
-			logger.debug("xmlRootElementName: "+xmlRootElementName+"\n"+e);
+			logger.debug("xmlRootElementName: "+xmlRootElementName+"\n",e);
 		}
 		if(preventDelete.size() > 0) {
 			prevent = xmlRootElementName.toUpperCase()+" cannot be deleted if related to "+String.join(",",preventDelete);
@@ -505,7 +505,7 @@ public class YAMLfromOXM extends OxmFileProcessor {
 				javaTypeDefinitions.put(xmlRootElementName, definitionsLocalSb.toString());
 			}
 		} catch (Exception e) {
-			e.printStackTrace();
+			logger.error("Exception adding in javaTypeDefinitions",e);
 		}
 		if ( xmlRootElementName.equals("inventory") ) {
 			logger.trace("skip xmlRootElementName(2)="+xmlRootElementName);
@@ -535,21 +535,16 @@ public class YAMLfromOXM extends OxmFileProcessor {
 		try {
 			outfile.createNewFile();
 		} catch (IOException e) {
-			logger.error( "Exception creating output file " + outfileName);
-			e.printStackTrace();
+			logger.error( "Exception creating output file " + outfileName,e);
 		}
-		BufferedWriter bw = null;
 		try {
 			Charset charset = Charset.forName("UTF-8");
 			Path path = Paths.get(outfileName);
-			bw = Files.newBufferedWriter(path, charset);
-			bw.write(fileContent);
-			if ( bw != null ) {
-				bw.close();
+			try(BufferedWriter bw = Files.newBufferedWriter(path, charset)){
+				bw.write(fileContent);
 			}
 		} catch ( IOException e) {
-			logger.error( "Exception writing output file " + outfileName);
-			e.printStackTrace();
+			logger.error( "Exception writing output file " + outfileName,e);
 		} 
 	}
 	
diff --git a/aai-core/src/test/java/org/onap/aai/util/PojoUtilsTest.java b/aai-core/src/test/java/org/onap/aai/util/PojoUtilsTest.java
index 3658704e..35065fd5 100644
--- a/aai-core/src/test/java/org/onap/aai/util/PojoUtilsTest.java
+++ b/aai-core/src/test/java/org/onap/aai/util/PojoUtilsTest.java
@@ -23,6 +23,7 @@ import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertTrue;
 
+import java.io.IOException;
 import java.time.LocalDateTime;
 import java.time.Month;
 import java.util.ArrayList;
@@ -159,7 +160,7 @@ public class PojoUtilsTest {
 	}
 	
 	@Test
-	public void testGetXmlFromObject() throws JAXBException {
+	public void testGetXmlFromObject() throws JAXBException, IOException {
 		NotificationEvent notificationEvent = new NotificationEvent();
 		notificationEvent.setCambriaPartition("partition");