StackTraceUtils.java

/**
 *  OpenKM, Open Document Management System (http://www.openkm.com)
 *  Copyright (c) 2006-2011  Paco Avila & Josep Llort
 *
 *  No bytes were intentionally harmed during the development of this application.
 *
 *  This program 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 2 of the License, or
 *  (at your option) any later version.
 *  
 *  This program 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 this program; if not, write to the Free Software Foundation, Inc.,
 *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

package com.openkm.util;

public class StackTraceUtils {
	
	/**
	 * Return the method who make the call.
	 */
	public static StackTraceElement whoCalledMe() {
		// The constructor for Throwable has a native function that fills the stack trace.
		StackTraceElement[] trace = (new Throwable()).getStackTrace();
		
		// Once you have the trace you can pick out information you need.
		if (trace.length >= 2) {
			return trace[2];
		}
		
		return null;
	}
	
	/**
	 * Return the whole call trace.
	 */
	public static String getTrace() {
		// The constructor for Throwable has a native function that fills the stack trace.
		StackTraceElement[] trace = (new Throwable()).getStackTrace();
		StringBuilder sb = new StringBuilder();
		
		// Once you have the trace you can pick out information you need.
		if (trace.length >= 2) {
			for (int i=2; i<trace.length; i++) {
				if (trace[i].getClassName().startsWith("com.openkm")) {
					sb.append(trace[i]);
					sb.append("\n");
				}
			}
		}
		
		return sb.toString();
	}
}