JMeter example source code file (SampleSenderFactory.java)

This example JMeter source code file (SampleSenderFactory.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

batchsamplesender, batchsamplesender, class, datastrippingsamplesender, holdsamplesender, mode_standard, non-nls-1, non-nls-1, reflection, samplesender, samplesender, standardsamplesender, statisticalsamplesender, string, string

The JMeter SampleSenderFactory.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.samplers;

import java.lang.reflect.Constructor;

import org.apache.jmeter.util.JMeterUtils;
import org.apache.jorphan.logging.LoggingManager;
import org.apache.log.Logger;

public class SampleSenderFactory {

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

    private static final String MODE_STANDARD = "Standard"; // $NON-NLS-1$

    private static final String MODE_HOLD = "Hold"; // $NON-NLS-1$

    private static final String MODE_BATCH = "Batch"; // $NON-NLS-1$

    private static final String MODE_STATISTICAL = "Statistical"; // $NON-NLS-1$

    private static final String MODE_STRIPPED = "Stripped"; // $NON-NLS-1$

    private static final String MODE_STRIPPED_BATCH = "StrippedBatch"; // $NON-NLS-1$

    // Support original property name
    private static final boolean holdSamples = JMeterUtils.getPropDefault("hold_samples", false); // $NON-NLS-1$

    // Extended property name
    private static final String type = JMeterUtils.getPropDefault("mode", MODE_STANDARD); // $NON-NLS-1$

    /**
     * Checks for the Jmeter property mode and returns the required class.
     *
     * @param listener
     * @return the appropriate class. Standard Jmeter functionality,
     *         hold_samples until end of test or batch samples.
     */
    static SampleSender getInstance(RemoteSampleListener listener) {
        if (holdSamples || type.equalsIgnoreCase(MODE_HOLD)) {
            HoldSampleSender h = new HoldSampleSender(listener);
            return h;
        } else if (type.equalsIgnoreCase(MODE_BATCH)) {
            BatchSampleSender b = new BatchSampleSender(listener);
            return b;
        } else if (type.equalsIgnoreCase(MODE_STATISTICAL)) {
            StatisticalSampleSender s = new StatisticalSampleSender(listener);
            return s;
        } else if (type.equalsIgnoreCase(MODE_STANDARD)) {
            StandardSampleSender s = new StandardSampleSender(listener);
            return s;
        }  else if(type.equalsIgnoreCase(MODE_STRIPPED_BATCH)) {
            return new DataStrippingSampleSender(new BatchSampleSender(listener));
        } else if(type.equalsIgnoreCase(MODE_STRIPPED)){
            return new DataStrippingSampleSender(listener);
        } else {
            // should be a user provided class name
            SampleSender s = null;
            try {
                Class<?> clazz = Class.forName(type);
                Constructor<?> cons = clazz.getConstructor(new Class[] {RemoteSampleListener.class});
                s = (SampleSender) cons.newInstance(new Object [] {listener});
            } catch (Exception e) {
                // houston we have a problem !!
                log.error("Unable to create a sample sender from class "+type);
                throw new IllegalArgumentException(e.getMessage());
            }

            return s;
        }

    }
}