JMeter example source code file (ConvertListeners.java)

This example JMeter source code file (ConvertListeners.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - JMeter tags/keywords

abstractthreadgroup, abstractthreadgroup, object, remotable, remotable, remotelistenerwrapper, remotesamplelistener, remotesamplelistenerwrapper, remotetestlistenerwrapper, remotetestlistenerwrapper, rmi, samplelistener, testlistener, testlistener, threadlistener, util

The JMeter ConvertListeners.java source code

/*
 * 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.
 *
 */

package org.apache.jmeter.engine;

import java.rmi.RemoteException;
import java.util.Iterator;

import org.apache.jmeter.samplers.RemoteListenerWrapper;
import org.apache.jmeter.samplers.RemoteSampleListener;
import org.apache.jmeter.samplers.RemoteSampleListenerImpl;
import org.apache.jmeter.samplers.RemoteSampleListenerWrapper;
import org.apache.jmeter.samplers.RemoteTestListenerWrapper;
import org.apache.jmeter.samplers.Remoteable;
import org.apache.jmeter.samplers.SampleListener;
import org.apache.jmeter.testelement.TestListener;
import org.apache.jmeter.testelement.ThreadListener;
import org.apache.jmeter.threads.AbstractThreadGroup;
import org.apache.jorphan.collections.HashTree;
import org.apache.jorphan.collections.HashTreeTraverser;
import org.apache.jorphan.logging.LoggingManager;
import org.apache.log.Logger;

/**
 * Converts the Remoteable Test and Sample Listeners in the test tree by wrapping
 * them with RemoteSampleListeners so that the samples are returned to the client.
 * 
 * N.B. Does not handle ThreadListeners.
 * 
 */
public class ConvertListeners implements HashTreeTraverser {
    private static final Logger log = LoggingManager.getLoggerForClass();

    /**
     * {@inheritDoc}
     */
    public void addNode(Object node, HashTree subTree) {
        Iterator<?> iter = subTree.list().iterator();
        while (iter.hasNext()) {
            Object item = iter.next();
            if (item instanceof AbstractThreadGroup) {
                log.info("num threads = " + ((AbstractThreadGroup) item).getNumThreads());
            }
            if (item instanceof Remoteable) {
                if (item instanceof ThreadListener){
                    log.error("Cannot handle ThreadListener Remotable item "+item.getClass().getName());
                    continue;
                }
                try {
                    RemoteSampleListener rtl = new RemoteSampleListenerImpl(item);
                    if (item instanceof TestListener && item instanceof SampleListener) {
                        RemoteListenerWrapper wrap = new RemoteListenerWrapper(rtl);
                        subTree.replace(item, wrap);
                    } else if (item instanceof TestListener) {
                        RemoteTestListenerWrapper wrap = new RemoteTestListenerWrapper(rtl);
                        subTree.replace(item, wrap);
                    } else if (item instanceof SampleListener) {
                        RemoteSampleListenerWrapper wrap = new RemoteSampleListenerWrapper(rtl);
                        subTree.replace(item, wrap);
                    } else {
                        log.warn("Could not replace Remotable item "+item.getClass().getName());
                    }
                } catch (RemoteException e) {
                    log.error("", e); // $NON-NLS-1$
                }
            }
        }
    }

    /**
     * {@inheritDoc}
     */
    public void subtractNode() {
    }

    /**
     * {@inheritDoc}
     */
    public void processPath() {
    }

}