From 6c1f3f8e2b17683ca430d3440db45a86df10143c Mon Sep 17 00:00:00 2001
From: shuyangzhou <shuyang.zhou@liferay.com>
Date: Sun, 3 May 2015 21:59:02 -0700
Subject: [PATCH] LPS-55159 Try-with-resources FileLock management

---
 .../whip/coveragedata/ProjectDataUtil.java    | 65 +++++++------------
 1 file changed, 24 insertions(+), 41 deletions(-)

diff --git a/modules/test/whip/src/com/liferay/whip/coveragedata/ProjectDataUtil.java b/modules/test/whip/src/com/liferay/whip/coveragedata/ProjectDataUtil.java
index 4f2956c070bb29..642af395906c4b 100644
--- a/modules/test/whip/src/com/liferay/whip/coveragedata/ProjectDataUtil.java
+++ b/modules/test/whip/src/com/liferay/whip/coveragedata/ProjectDataUtil.java
@@ -36,26 +36,36 @@ public static ProjectData captureProjectData(boolean saveSessionData) {
 		String className = ProjectDataUtil.class.getName();
 
 		synchronized (className.intern()) {
-			FileLock fileLock = _lockFile();
+			try (RandomAccessFile randomAccessFile = new RandomAccessFile(
+					InstrumentationAgent.getLockFile(), "rw")) {
 
-			try {
-				File dataFile = new File(
-					System.getProperty("net.sourceforge.cobertura.datafile"));
+				FileChannel fileChannel = randomAccessFile.getChannel();
 
-				if (dataFile.exists()) {
-					_projectData.merge(_readProjectData(dataFile));
+				FileLock fileLock = fileChannel.lock();
 
-					dataFile.delete();
-				}
+				try {
+					File dataFile = new File(
+						System.getProperty(
+							"net.sourceforge.cobertura.datafile"));
 
-				if (saveSessionData) {
-					_writeProjectData(_projectData, dataFile);
-				}
+					if (dataFile.exists()) {
+						_projectData.merge(_readProjectData(dataFile));
+
+						dataFile.delete();
+					}
 
-				return _projectData;
+					if (saveSessionData) {
+						_writeProjectData(_projectData, dataFile);
+					}
+
+					return _projectData;
+				}
+				finally {
+					fileLock.release();
+				}
 			}
-			finally {
-				_unlockFile(fileLock);
+			catch (IOException ioe) {
+				throw new RuntimeException(ioe);
 			}
 		}
 	}
@@ -64,20 +74,6 @@ public static ProjectData getProjectData() {
 		return _projectData;
 	}
 
-	private static FileLock _lockFile() {
-		try {
-			RandomAccessFile randomAccessFile = new RandomAccessFile(
-				InstrumentationAgent.getLockFile(), "rw");
-
-			FileChannel fileChannel = randomAccessFile.getChannel();
-
-			return fileChannel.lock();
-		}
-		catch (IOException ioe) {
-			throw new RuntimeException(ioe);
-		}
-	}
-
 	private static ProjectData _readProjectData(File dataFile) {
 		try (FileInputStream fileInputStream = new FileInputStream(dataFile);
 			ObjectInputStream objectInputStream = new ObjectInputStream(
@@ -90,19 +86,6 @@ private static ProjectData _readProjectData(File dataFile) {
 		}
 	}
 
-	private static void _unlockFile(FileLock fileLock) {
-		try {
-			fileLock.release();
-
-			FileChannel fileChannel = fileLock.channel();
-
-			fileChannel.close();
-		}
-		catch (IOException ioe) {
-			throw new RuntimeException(ioe);
-		}
-	}
-
 	private static void _writeProjectData(
 		ProjectData projectData, File dataFile) {