001    /**
002     * Copyright (c) 2000-2010 Liferay, Inc. All rights reserved.
003     *
004     * The contents of this file are subject to the terms of the Liferay Enterprise
005     * Subscription License ("License"). You may not use this file except in
006     * compliance with the License. You can obtain a copy of the License by
007     * contacting Liferay, Inc. See the License for the specific language governing
008     * permissions and limitations under the License, including but not limited to
009     * distribution rights of the Software.
010     *
011     *
012     *
013     */
014    
015    package com.liferay.portal.kernel.util;
016    
017    import com.liferay.portal.kernel.io.unsync.UnsyncPrintWriter;
018    import com.liferay.portal.kernel.io.unsync.UnsyncStringWriter;
019    
020    import java.io.PrintWriter;
021    
022    /**
023     * @author Brian Wing Shun Chan
024     */
025    public class StackTraceUtil {
026    
027            public static String getStackTrace(Throwable t) {
028                    String stackTrace = null;
029    
030                    PrintWriter printWriter = null;
031    
032                    try {
033                            UnsyncStringWriter unsyncStringWriter = new UnsyncStringWriter();
034    
035                            printWriter = new UnsyncPrintWriter(unsyncStringWriter);
036    
037                            t.printStackTrace(printWriter);
038    
039                            printWriter.flush();
040    
041                            stackTrace = unsyncStringWriter.toString();
042                    }
043                    finally {
044                            if (printWriter != null) {
045                                    printWriter.flush();
046                                    printWriter.close();
047                            }
048                    }
049    
050                    return stackTrace;
051            }
052    
053    }