content: /*
   * Copyright 2008-2013 Andre Pfeiler
   *
   * This file is part of FindBugs-IDEA.
   *
   * FindBugs-IDEA is free software: you can redistribute it and/or modify
   * it under the terms of the GNU General Public License as published by
   * the Free Software Foundation, either version 3 of the License, or
   * (at your option) any later version.
   *
   * FindBugs-IDEA is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU General Public License for more details.
   *
   * You should have received a copy of the GNU General Public License
   * along with FindBugs-IDEA.  If not, see <http://www.gnu.org/licenses/>.
   */
  
  package org.twodividedbyzero.idea.findbugs.common;
  
  /**
   * $Date$
   *
   * @author Andre Pfeiler<andrep@twodividedbyzero.org>
   * @version $Revision$
   * @since 0.9.96-dev
   */
  public class CallerStack extends Throwable {
  
  	private static final long serialVersionUID = 1L;
  
  
  	public CallerStack() {
  		super("called from");
  	}
  
  
  	public CallerStack(final CallerStack cause) {
  		super("called from", cause);
  	}
  
  
  	public static void initCallerStack(final Throwable throwable, final CallerStack callerStack) {
  		Throwable lastCause = throwable;
  		while (lastCause.getCause() != null) {
  			lastCause = lastCause.getCause();
  		}
  		try {
  			lastCause.initCause(callerStack);
  		} catch (final IllegalStateException ignored) {
  			// some exceptions may override getCause(), but not initCause()
  			// => getCause() can be null, but cause is alreay set
  		}
  	}
  
  
  }
  