Returns the output of printStackTrace as a String. : Exception « Development « Java Tutorial

1. Java Tutorial
2. Development
3. Exception

import java.io.ByteArrayOutputStream;
import java.io.PrintWriter;

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.    
 */

/**
 * 
 * 
 * @author <a href="mailto:jvanzyl@apache.org">Jason van Zyl</a>
 * @author <a href="mailto:dlr@finemaltcoding.com">Daniel Rall</a>
 * @version $Id: StringUtils.java 685685 2008-08-13 21:43:27Z nbubna $
 */
public class Main {
  /**
   * Returns the output of printStackTrace as a String.
   *
   * @param e A Throwable.
   * @return A String.
   */
  public static final String stackTrace(Throwable e)
  {
      String foo = null;
      try
      {
          // And show the Error Screen.
          ByteArrayOutputStream ostr = new ByteArrayOutputStream();
          e.printStackTrace( new PrintWriter(ostr,true) );
          foo = ostr.toString();
      }
      catch (Exception f)
      {
          // Do nothing.
      }
      return foo;
  }
}