1 package org.apache.fulcrum.yaafi.framework.util;
2
3 /*
4 * Licensed to the Apache Software Foundation (ASF) under one
5 * or more contributor license agreements. See the NOTICE file
6 * distributed with this work for additional information
7 * regarding copyright ownership. The ASF licenses this file
8 * to you under the Apache License, Version 2.0 (the
9 * "License"); you may not use this file except in compliance
10 * with the License. You may obtain a copy of the License at
11 *
12 * http://www.apache.org/licenses/LICENSE-2.0
13 *
14 * Unless required by applicable law or agreed to in writing,
15 * software distributed under the License is distributed on an
16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17 * KIND, either express or implied. See the License for the
18 * specific language governing permissions and limitations
19 * under the License.
20 */
21
22 import java.io.PrintWriter;
23 import java.io.StringWriter;
24
25 /**
26 * A subset of the utilities available in commons-lang-2.1 ExceptionUtils.
27 *
28 * @author <a href="mailto:siegfried.goeschl@it20one.at">Siegfried Goeschl</a>
29 */
30 public class ExceptionUtils
31 {
32
33 /**
34 * <p>Public constructor allows an instance of <code>ExceptionUtils</code>
35 * to be created, although that is not normally necessary.</p>
36 */
37 public ExceptionUtils()
38 {
39 // nothing to do
40 }
41
42 /**
43 * <p>Gets the stack trace from a Throwable as a String.</p>
44 *
45 * @param throwable the <code>Throwable</code> to be examined
46 * @return the stack trace as generated by the exception's
47 * <code>printStackTrace(PrintWriter)</code> method
48 */
49 public static String getStackTrace(Throwable throwable)
50 {
51 StringWriter sw = new StringWriter();
52 PrintWriter pw = new PrintWriter( sw, true );
53 throwable.printStackTrace( pw );
54 return sw.getBuffer().toString();
55 }
56 }