JMeter example source code file (DebugSampler.java)

This example JMeter source code file (DebugSampler.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

abstractsampler, data, jmeterproperties\n, jmetervariables:\n, object, object, sampleresult, sampleresult, string, stringbuilder, stringbuilder, suppresswarnings, suppresswarnings, testbean, util

The JMeter DebugSampler.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.sampler;

import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.Iterator;
import java.util.Map;
import java.util.Set;

import org.apache.jmeter.samplers.AbstractSampler;
import org.apache.jmeter.samplers.Entry;
import org.apache.jmeter.samplers.SampleResult;
import org.apache.jmeter.testbeans.TestBean;
import org.apache.jmeter.threads.JMeterContextService;
import org.apache.jmeter.util.JMeterUtils;

/**
 * The Debug Sampler can be used to "sample" JMeter variables, JMeter properties and System Properties.
 *
 */
public class DebugSampler extends AbstractSampler implements TestBean {

    private static final long serialVersionUID = 232L;

    private boolean displayJMeterVariables;

    private boolean displayJMeterProperties;

    private boolean displaySystemProperties;

    public SampleResult sample(Entry e) {
        SampleResult res = new SampleResult();
        res.setSampleLabel(getName());
        res.sampleStart();
        StringBuilder sb = new StringBuilder(100);
        StringBuilder rd = new StringBuilder(20); // for request Data
        if (isDisplayJMeterVariables()){
            rd.append("JMeterVariables\n");
            sb.append("JMeterVariables:\n");
            formatSet(sb, JMeterContextService.getContext().getVariables().entrySet());
            sb.append("\n");
        }

        if (isDisplayJMeterProperties()){
            rd.append("JMeterProperties\n");
            sb.append("JMeterProperties:\n");
            formatSet(sb, JMeterUtils.getJMeterProperties().entrySet());
            sb.append("\n");
        }

        if (isDisplaySystemProperties()){
            rd.append("SystemProperties\n");
            sb.append("SystemProperties:\n");
            formatSet(sb, System.getProperties().entrySet());
            sb.append("\n");
        }

        res.setResponseData(sb.toString(), null);
        res.setDataType(SampleResult.TEXT);
        res.setSamplerData(rd.toString());
        res.setSuccessful(true);
        res.sampleEnd();
        return res;
    }

    private void formatSet(StringBuilder sb, @SuppressWarnings("rawtypes") Set s) {
        @SuppressWarnings("unchecked")
        ArrayList<Map.Entry al = new ArrayList>(s);
        Collections.sort(al, new Comparator<Map.Entry(){
            public int compare(Map.Entry<Object, Object> o1, Map.Entry o2) {
                String m1,m2;
                m1=(String)o1.getKey();
                m2=(String)o2.getKey();
                return m1.compareTo(m2);
            }
        });
        Iterator<Map.Entry i = al.iterator();
        while(i.hasNext()){
            Map.Entry<Object, Object> me = i.next();
            sb.append(me.getKey());
            sb.append("=");
            sb.append(me.getValue());
            sb.append("\n");
        }
    }

    public boolean isDisplayJMeterVariables() {
        return displayJMeterVariables;
    }

    public void setDisplayJMeterVariables(boolean displayJMeterVariables) {
        this.displayJMeterVariables = displayJMeterVariables;
    }

    public boolean isDisplayJMeterProperties() {
        return displayJMeterProperties;
    }

    public void setDisplayJMeterProperties(boolean displayJMeterPropterties) {
        this.displayJMeterProperties = displayJMeterPropterties;
    }

    public boolean isDisplaySystemProperties() {
        return displaySystemProperties;
    }

    public void setDisplaySystemProperties(boolean displaySystemProperties) {
        this.displaySystemProperties = displaySystemProperties;
    }
}