1   /**
2    * Copyright (c) 2000-2010 Liferay, Inc. All rights reserved.
3    *
4    * The contents of this file are subject to the terms of the Liferay Enterprise
5    * Subscription License ("License"). You may not use this file except in
6    * compliance with the License. You can obtain a copy of the License by
7    * contacting Liferay, Inc. See the License for the specific language governing
8    * permissions and limitations under the License, including but not limited to
9    * distribution rights of the Software.
10   *
11   *
12   * 
13   */
14  
15  package com.liferay.portal.kernel.util;
16  
17  import com.liferay.portal.kernel.io.unsync.UnsyncBufferedWriter;
18  import com.liferay.portal.kernel.io.unsync.UnsyncStringWriter;
19  
20  import java.io.PrintWriter;
21  
22  /**
23   * <a href="StackTraceUtil.java.html"><b><i>View Source</i></b></a>
24   *
25   * @author Brian Wing Shun Chan
26   */
27  public class StackTraceUtil {
28  
29      public static String getStackTrace(Throwable t) {
30          String stackTrace = null;
31  
32          PrintWriter printWriter = null;
33  
34          try {
35              UnsyncStringWriter unsyncStringWriter = new UnsyncStringWriter();
36  
37              printWriter = new PrintWriter(
38                  new UnsyncBufferedWriter(unsyncStringWriter));
39  
40              t.printStackTrace(printWriter);
41  
42              printWriter.flush();
43  
44              stackTrace = unsyncStringWriter.toString();
45          }
46          finally {
47              if (printWriter != null) {
48                  printWriter.flush();
49                  printWriter.close();
50              }
51          }
52  
53          return stackTrace;
54      }
55  
56  }