JMeter example source code file (BeanShellListener.java)

This example JMeter source code file (BeanShellListener.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

beanshell, beanshelltestelement, init_file, init_file, jmetervariables, needed, non-nls-1, non-nls-1, problem, samplelistener, string, string, visualizer, visualizer

The JMeter BeanShellListener.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.jmeter.gui.UnsharedComponent;
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.threads.JMeterContext;
import org.apache.jmeter.threads.JMeterContextService;
import org.apache.jmeter.threads.JMeterVariables;
import org.apache.jmeter.util.BeanShellInterpreter;
import org.apache.jmeter.util.BeanShellTestElement;
import org.apache.jorphan.logging.LoggingManager;
import org.apache.jorphan.util.JMeterException;
import org.apache.log.Logger;

public class BeanShellListener extends BeanShellTestElement
    implements Cloneable, SampleListener, TestBean, Visualizer, UnsharedComponent  {
    // N.B. Needs to implement Visualizer so that TestBeanGUI can find the correct GUI class
    // TODO - remove UnsharedComponent ? Probably does not make sense for a TestBean.

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

    private static final long serialVersionUID = 4;

    // can be specified in jmeter.properties
    private static final String INIT_FILE = "beanshell.listener.init"; //$NON-NLS-1$

    @Override
    protected String getInitFileProperty() {
        return INIT_FILE;
    }

    public void sampleOccurred(SampleEvent se) {
        final BeanShellInterpreter bshInterpreter = getBeanShellInterpreter();
        if (bshInterpreter == null) {
            log.error("BeanShell not found");
            return;
        }

        JMeterContext jmctx = JMeterContextService.getContext();
        JMeterVariables vars = jmctx.getVariables();
        SampleResult samp=se.getResult();
        try {
            // Add variables for access to context and variables
            bshInterpreter.set("ctx", jmctx);//$NON-NLS-1$
            bshInterpreter.set("vars", vars);//$NON-NLS-1$
            bshInterpreter.set("sampleEvent", se);//$NON-NLS-1$
            bshInterpreter.set("sampleResult", samp);//$NON-NLS-1$
            processFileOrScript(bshInterpreter);
        } catch (JMeterException e) {
            log.warn("Problem in BeanShell script "+e);
        }
    }

    public void sampleStarted(SampleEvent e) {
    }

    public void sampleStopped(SampleEvent e) {
    }

    public void add(SampleResult sample) {
        // TODO Auto-generated method stub

    }

    public boolean isStats() { // Needed by Visualizer interface
        return false;
    }

}