JMeter example source code file (BSFListener.java)

This example JMeter source code file (BSFListener.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

bsf, bsf, bsfexception, bsfexception, bsflistener, bsfmanager, bsftestelement, logger, problem, problem, samplelistener, sampleresult, testbean, visualizer

The JMeter BSFListener.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.visualizers;

import org.apache.bsf.BSFException;
import org.apache.bsf.BSFManager;
import org.apache.jmeter.samplers.SampleEvent;
import org.apache.jmeter.samplers.SampleListener;
import org.apache.jmeter.samplers.SampleResult;
import org.apache.jmeter.testbeans.TestBean;
import org.apache.jmeter.util.BSFTestElement;
import org.apache.jorphan.logging.LoggingManager;
import org.apache.log.Logger;

public class BSFListener extends BSFTestElement
    implements Cloneable, SampleListener, TestBean, Visualizer {
// N.B. Needs to implement Visualizer so that TestBeanGUI can find the correct GUI class

    private static final Logger log = LoggingManager.getLoggerForClass();

    private static final long serialVersionUID = 234L;

    public void sampleOccurred(SampleEvent event) {
        try {
            BSFManager mgr = getManager();
            if (mgr == null) {
                log.error("Problem creating BSF manager");
                return;
            }
            mgr.declareBean("sampleEvent", event, SampleEvent.class);
            SampleResult result = event.getResult();
            mgr.declareBean("sampleResult", result, SampleResult.class);
            processFileOrScript(mgr);
            mgr.terminate();
        } catch (BSFException e) {
            log.warn("Problem in BSF script "+e);
        }
    }

    public void sampleStarted(SampleEvent e) {
    }

    public void sampleStopped(SampleEvent e) {
    }

    public void add(SampleResult sample) {
    }

    public boolean isStats() {
        return false;
    }
}