001 package org.apache.fulcrum.yaafi.framework.util;
002
003 /*
004 * Licensed to the Apache Software Foundation (ASF) under one
005 * or more contributor license agreements. See the NOTICE file
006 * distributed with this work for additional information
007 * regarding copyright ownership. The ASF licenses this file
008 * to you under the Apache License, Version 2.0 (the
009 * "License"); you may not use this file except in compliance
010 * with the License. You may obtain a copy of the License at
011 *
012 * http://www.apache.org/licenses/LICENSE-2.0
013 *
014 * Unless required by applicable law or agreed to in writing,
015 * software distributed under the License is distributed on an
016 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
017 * KIND, either express or implied. See the License for the
018 * specific language governing permissions and limitations
019 * under the License.
020 */
021
022 import java.io.PrintWriter;
023 import java.io.StringWriter;
024
025 /**
026 * A subset of the utilities available in commons-lang-2.1 ExceptionUtils.
027 *
028 * @author <a href="mailto:siegfried.goeschl@it20one.at">Siegfried Goeschl</a>
029 */
030 public class ExceptionUtils
031 {
032
033 /**
034 * <p>Public constructor allows an instance of <code>ExceptionUtils</code>
035 * to be created, although that is not normally necessary.</p>
036 */
037 public ExceptionUtils()
038 {
039 // nothing to do
040 }
041
042 /**
043 * <p>Gets the stack trace from a Throwable as a String.</p>
044 *
045 * @param throwable the <code>Throwable</code> to be examined
046 * @return the stack trace as generated by the exception's
047 * <code>printStackTrace(PrintWriter)</code> method
048 */
049 public static String getStackTrace(Throwable throwable)
050 {
051 StringWriter sw = new StringWriter();
052 PrintWriter pw = new PrintWriter( sw, true );
053 throwable.printStackTrace( pw );
054 return sw.getBuffer().toString();
055 }
056 }