Fix use try-with-resources issues

Fix in epsdk-analytics

Issue-ID: PORTAL-342
Change-Id: Ia13844c65fa23fbdea01e80091c1f8573cf7ad1f
Signed-off-by: Parshad Patel <pars.patel@samsung.com>

3 files changed, 41 insertions, 56 deletions

diff --git a/ecomp-sdk/epsdk-analytics/src/main/java/org/onap/portalsdk/analytics/controller/ActionHandler.java b/ecomp-sdk/epsdk-analytics/src/main/java/org/onap/portalsdk/analytics/controller/ActionHandler.java
index d87a5b13..e976f144 100644
--- a/ecomp-sdk/epsdk-analytics/src/main/java/org/onap/portalsdk/analytics/controller/ActionHandler.java
+++ b/ecomp-sdk/epsdk-analytics/src/main/java/org/onap/portalsdk/analytics/controller/ActionHandler.java
@@ -1995,11 +1995,8 @@ public class ActionHandler extends org.onap.portalsdk.analytics.RaptorObject {
         String insertQry = Globals.getDownloadAllInsert();
         
         
-        Connection connection = null;
-        PreparedStatement pst = null;
-        try {
-        connection = DbUtils.getConnection();
-        pst = connection.prepareStatement(insertQry);
+        try(Connection connection = DbUtils.getConnection();
+            PreparedStatement pst = connection.prepareStatement(insertQry)){ 
         if(nvl(emailId).length()>0){
 	        pst.setInt(1, Integer.parseInt(userId));
 	        pst.setInt(2, Integer.parseInt(rr.getReportID()));
@@ -2019,8 +2016,6 @@ public class ActionHandler extends org.onap.portalsdk.analytics.RaptorObject {
     	        connection.commit();
 			}
         }
-        pst.close();
-        connection.close();
         logger.debug(EELFLoggerDelegate.debugLogger, ("Data inserted"));
         } catch (SQLException ex) { 
 	    	throw new RaptorException(ex);
@@ -2028,16 +2023,7 @@ public class ActionHandler extends org.onap.portalsdk.analytics.RaptorObject {
 	    	throw new RaptorException(ex);
 	    } catch (Exception ex) {
 	    	throw new RaptorException (ex);
-	    } finally {
-        	try {
-        		if(connection!=null)
-        			connection.close();
-        		if(pst!=null)
-        			pst.close();
-        	} catch (SQLException ex) {
-        		throw new RaptorException(ex);
-        	}
-        }
+	    }
         //DbUtils.commitTransaction(connection);
         //DbUtils.clearConnection(connection);
         
diff --git a/ecomp-sdk/epsdk-analytics/src/main/java/org/onap/portalsdk/analytics/model/runtime/ChartD3Helper.java b/ecomp-sdk/epsdk-analytics/src/main/java/org/onap/portalsdk/analytics/model/runtime/ChartD3Helper.java
index ec83ffbf..60c45b4f 100644
--- a/ecomp-sdk/epsdk-analytics/src/main/java/org/onap/portalsdk/analytics/model/runtime/ChartD3Helper.java
+++ b/ecomp-sdk/epsdk-analytics/src/main/java/org/onap/portalsdk/analytics/model/runtime/ChartD3Helper.java
@@ -3179,10 +3179,8 @@ public class ChartD3Helper {
 				
 			}
 		}
-		try {
-			BufferedWriter out = new BufferedWriter(new FileWriter("test.txt"));
+		try(BufferedWriter out = new BufferedWriter(new FileWriter("test.txt"))) {
 			out.write(wholeScript.toString());
-			out.close();
 		} catch (IOException e) { 
 			e.printStackTrace();
 			System.out.println("Exception ");
diff --git a/ecomp-sdk/epsdk-analytics/src/main/java/org/onap/portalsdk/analytics/util/jar/ExtractJar.java b/ecomp-sdk/epsdk-analytics/src/main/java/org/onap/portalsdk/analytics/util/jar/ExtractJar.java
index 12355573..b5390c92 100644
--- a/ecomp-sdk/epsdk-analytics/src/main/java/org/onap/portalsdk/analytics/util/jar/ExtractJar.java
+++ b/ecomp-sdk/epsdk-analytics/src/main/java/org/onap/portalsdk/analytics/util/jar/ExtractJar.java
@@ -73,17 +73,18 @@ public class ExtractJar {
 	 * @throws Exception
 	 */
 	public static void readJar(File jarFile) throws Exception {
-		JarInputStream in = new JarInputStream(new FileInputStream(jarFile));
-		JarEntry je;
-		while ((je = in.getNextJarEntry()) != null) {
-			if (je.isDirectory() == false) {
-				if (je.getName().startsWith("org/onap/portalsdk/analytics/config/")) {
-					System.out.println(je.getName() + " " + je.getTime());
-
+		try(JarInputStream in = new JarInputStream(new FileInputStream(jarFile)))
+		{
+			JarEntry je;
+			while ((je = in.getNextJarEntry()) != null) {
+				if (je.isDirectory() == false) {
+					if (je.getName().startsWith("org/onap/portalsdk/analytics/config/")) {
+						System.out.println(je.getName() + " " + je.getTime());
+	
+					}
 				}
 			}
 		}
-		in.close();
 	}
 
 	/**
@@ -95,37 +96,37 @@ public class ExtractJar {
 		Class clazz = ExtractJar.class;
 		URL jarUrl = clazz.getProtectionDomain().getCodeSource().getLocation();
 
-		JarInputStream entryStream = new JarInputStream(jarUrl.openStream());
-		JarEntry entry;
-
-		while (true) {
-			entry = entryStream.getNextJarEntry();
-			if (entry == null)
-				break;
-			if (entry.getName().indexOf("jarutil") < 0) {
-				System.out.println(entry.getName());
-				File file = new File(directory, entry.getName());
-				if (entry.isDirectory()) {
-					if (!file.exists())
-						file.mkdirs();
-				} else {
-					File dir = new File(file.getParent());
-					if (!dir.exists())
-						dir.mkdirs();
-					if (file.exists())
-						file.delete();
-					FileOutputStream fout = new FileOutputStream(file);
-					copy(entryStream, fout);
-					fout.close();
-
-					if (entry.getTime() >= 0)
-						file.setLastModified(entry.getTime());
+		try(JarInputStream entryStream = new JarInputStream(jarUrl.openStream())){
+			JarEntry entry;
+	
+			while (true) {
+				entry = entryStream.getNextJarEntry();
+				if (entry == null)
+					break;
+				if (entry.getName().indexOf("jarutil") < 0) {
+					System.out.println(entry.getName());
+					File file = new File(directory, entry.getName());
+					if (entry.isDirectory()) {
+						if (!file.exists())
+							file.mkdirs();
+					} else {
+						File dir = new File(file.getParent());
+						if (!dir.exists())
+							dir.mkdirs();
+						if (file.exists())
+							file.delete();
+						try(FileOutputStream fout = new FileOutputStream(file)){
+							copy(entryStream, fout);
+						}
+	
+						if (entry.getTime() >= 0)
+							file.setLastModified(entry.getTime());
+					}
+	
 				}
-
+				entryStream.closeEntry();
 			}
-			entryStream.closeEntry();
 		}
-		entryStream.close();
 		System.out.println("/WEB-INF/classes/org/onap/portalsdk/analytics");
 		System.out.println("Delete .... ");