/**
* Copyright 2010 JBoss Inc
*
* Licensed 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.
*/
package org.drools.repository;
import java.io.ByteArrayOutputStream;
import java.io.PrintWriter;
import java.util.StringTokenizer;
public class StackUtil {
/**
* Return the name of the routine that called getCurrentMethodName
*
* @author Johan Känngård, http://dev.kanngard.net
* (found on the net in 2000, donŽt remember where...)
*/
public static String getCurrentMethodName() {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
PrintWriter pw = new PrintWriter(baos);
(new Throwable()).printStackTrace(pw);
pw.flush();
String stackTrace = baos.toString();
pw.close();
StringTokenizer tok = new StringTokenizer(stackTrace, "\n");
String l = tok.nextToken(); // 'java.lang.Throwable'
l = tok.nextToken(); // 'at ...getCurrentMethodName'
l = tok.nextToken(); // 'at ...<caller to getCurrentRoutine>'
// Parse line 3
tok = new StringTokenizer(l.trim(), " <(");
String t = tok.nextToken(); // 'at'
t = tok.nextToken(); // '...<caller to getCurrentRoutine>'
return t;
}
}