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 }