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JMeter example source code file (ThreadGroupGui.java)

This example JMeter source code file (ThreadGroupGui.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

awt, borderlayout, borderlayout, date, event, gui, jdatefield, jlabel, jpanel, jpanel, jtextfield, jtextfield, non-nls-1, non-nls-1, string, swing, threadgroup, util, verticalpanel

The JMeter ThreadGroupGui.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.threads.gui;

import java.awt.BorderLayout;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import java.util.Date;

import javax.swing.BorderFactory;
import javax.swing.JCheckBox;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextField;

import org.apache.jmeter.control.LoopController;
import org.apache.jmeter.control.gui.LoopControlPanel;
import org.apache.jmeter.gui.util.FocusRequester;
import org.apache.jmeter.gui.util.JDateField;
import org.apache.jmeter.gui.util.VerticalPanel;
import org.apache.jmeter.testelement.TestElement;
import org.apache.jmeter.testelement.property.BooleanProperty;
import org.apache.jmeter.testelement.property.LongProperty;
import org.apache.jmeter.threads.ThreadGroup;
import org.apache.jmeter.util.JMeterUtils;

public class ThreadGroupGui extends AbstractThreadGroupGui implements ItemListener {
    private static final long serialVersionUID = 240L;

    private LoopControlPanel loopPanel;

    private VerticalPanel mainPanel;

    private final static String THREAD_NAME = "Thread Field";

    private final static String RAMP_NAME = "Ramp Up Field";

    private JTextField threadInput;

    private JTextField rampInput;

    private JDateField start;

    private JDateField end;

    private JCheckBox scheduler;

    private JTextField duration;

    private JTextField delay; // Relative start-up time

    public ThreadGroupGui() {
        super();
        init();
        initGui();
    }

    public TestElement createTestElement() {
        ThreadGroup tg = new ThreadGroup();
        modifyTestElement(tg);
        return tg;
    }

    /**
     * Modifies a given TestElement to mirror the data in the gui components.
     *
     * @see org.apache.jmeter.gui.JMeterGUIComponent#modifyTestElement(TestElement)
     */
    public void modifyTestElement(TestElement tg) {
        super.configureTestElement(tg);
        if (tg instanceof ThreadGroup) {
            ((ThreadGroup) tg).setSamplerController((LoopController) loopPanel.createTestElement());
        }

        tg.setProperty(ThreadGroup.NUM_THREADS, threadInput.getText());
        tg.setProperty(ThreadGroup.RAMP_TIME, rampInput.getText());
        tg.setProperty(new LongProperty(ThreadGroup.START_TIME, start.getDate().getTime()));
        tg.setProperty(new LongProperty(ThreadGroup.END_TIME, end.getDate().getTime()));
        tg.setProperty(new BooleanProperty(ThreadGroup.SCHEDULER, scheduler.isSelected()));
        tg.setProperty(ThreadGroup.DURATION, duration.getText());
        tg.setProperty(ThreadGroup.DELAY, delay.getText());
    }

    @Override
    public void configure(TestElement tg) {
        super.configure(tg);
        threadInput.setText(tg.getPropertyAsString(ThreadGroup.NUM_THREADS));
        rampInput.setText(tg.getPropertyAsString(ThreadGroup.RAMP_TIME));
        loopPanel.configure((TestElement) tg.getProperty(ThreadGroup.MAIN_CONTROLLER).getObjectValue());
        scheduler.setSelected(tg.getPropertyAsBoolean(ThreadGroup.SCHEDULER));

        if (scheduler.isSelected()) {
            mainPanel.setVisible(true);
        } else {
            mainPanel.setVisible(false);
        }

        // Check if the property exists
        String s = tg.getPropertyAsString(ThreadGroup.START_TIME);
        if (s.length() == 0) {// Must be an old test plan
            start.setDate(new Date());
            end.setDate(new Date());
        } else {
            start.setDate(new Date(tg.getPropertyAsLong(ThreadGroup.START_TIME)));
            end.setDate(new Date(tg.getPropertyAsLong(ThreadGroup.END_TIME)));
        }
        duration.setText(tg.getPropertyAsString(ThreadGroup.DURATION));
        delay.setText(tg.getPropertyAsString(ThreadGroup.DELAY));
    }

    public void itemStateChanged(ItemEvent ie) {
        if (ie.getItem().equals(scheduler)) {
            if (scheduler.isSelected()) {
                mainPanel.setVisible(true);
            } else {
                mainPanel.setVisible(false);
            }
        }
    }

    private JPanel createControllerPanel() {
        loopPanel = new LoopControlPanel(false);
        LoopController looper = (LoopController) loopPanel.createTestElement();
        looper.setLoops(1);
        loopPanel.configure(looper);
        return loopPanel;
    }

    /**
     * Create a panel containing the StartTime field and corresponding label.
     *
     * @return a GUI panel containing the StartTime field
     */
    private JPanel createStartTimePanel() {
        JPanel panel = new JPanel(new BorderLayout(5, 0));
        JLabel label = new JLabel(JMeterUtils.getResString("starttime")); //$NON-NLS-1$
        panel.add(label, BorderLayout.WEST);
        start = new JDateField();
        panel.add(start, BorderLayout.CENTER);
        return panel;
    }

    /**
     * Create a panel containing the EndTime field and corresponding label.
     *
     * @return a GUI panel containing the EndTime field
     */
    private JPanel createEndTimePanel() {
        JPanel panel = new JPanel(new BorderLayout(5, 0));
        JLabel label = new JLabel(JMeterUtils.getResString("endtime")); // $NON-NLS-1$
        panel.add(label, BorderLayout.WEST);

        end = new JDateField();
        panel.add(end, BorderLayout.CENTER);
        return panel;
    }

    /**
     * Create a panel containing the Duration field and corresponding label.
     *
     * @return a GUI panel containing the Duration field
     */
    private JPanel createDurationPanel() {
        JPanel panel = new JPanel(new BorderLayout(5, 0));
        JLabel label = new JLabel(JMeterUtils.getResString("duration")); // $NON-NLS-1$
        panel.add(label, BorderLayout.WEST);
        duration = new JTextField();
        panel.add(duration, BorderLayout.CENTER);
        return panel;
    }

    /**
     * Create a panel containing the Duration field and corresponding label.
     *
     * @return a GUI panel containing the Duration field
     */
    private JPanel createDelayPanel() {
        JPanel panel = new JPanel(new BorderLayout(5, 0));
        JLabel label = new JLabel(JMeterUtils.getResString("delay")); // $NON-NLS-1$
        panel.add(label, BorderLayout.WEST);
        delay = new JTextField();
        panel.add(delay, BorderLayout.CENTER);
        return panel;
    }

    public String getLabelResource() {
        return "threadgroup"; // $NON-NLS-1$
    }

    @Override
    public void clearGui(){
        super.clearGui();
        initGui();
    }

    // Initialise the gui field values
    private void initGui(){
        threadInput.setText("1"); // $NON-NLS-1$
        rampInput.setText("1"); // $NON-NLS-1$
        loopPanel.clearGui();
        scheduler.setSelected(false);
        Date today = new Date();
        end.setDate(today);
        start.setDate(today);
        delay.setText(""); // $NON-NLS-1$
        duration.setText(""); // $NON-NLS-1$
    }

   private void init() {
        // THREAD PROPERTIES
        VerticalPanel threadPropsPanel = new VerticalPanel();
        threadPropsPanel.setBorder(BorderFactory.createTitledBorder(BorderFactory.createEtchedBorder(),
                JMeterUtils.getResString("thread_properties"))); // $NON-NLS-1$

        // NUMBER OF THREADS
        JPanel threadPanel = new JPanel(new BorderLayout(5, 0));

        JLabel threadLabel = new JLabel(JMeterUtils.getResString("number_of_threads")); // $NON-NLS-1$
        threadPanel.add(threadLabel, BorderLayout.WEST);

        threadInput = new JTextField(5);
        threadInput.setName(THREAD_NAME);
        threadLabel.setLabelFor(threadInput);
        threadPanel.add(threadInput, BorderLayout.CENTER);

        threadPropsPanel.add(threadPanel);
        new FocusRequester(threadInput);

        // RAMP-UP
        JPanel rampPanel = new JPanel(new BorderLayout(5, 0));
        JLabel rampLabel = new JLabel(JMeterUtils.getResString("ramp_up")); // $NON-NLS-1$
        rampPanel.add(rampLabel, BorderLayout.WEST);

        rampInput = new JTextField(5);
        rampInput.setName(RAMP_NAME);
        rampLabel.setLabelFor(rampInput);
        rampPanel.add(rampInput, BorderLayout.CENTER);

        threadPropsPanel.add(rampPanel);

        // LOOP COUNT
        threadPropsPanel.add(createControllerPanel());

        // mainPanel.add(threadPropsPanel, BorderLayout.NORTH);
        // add(mainPanel, BorderLayout.CENTER);

        scheduler = new JCheckBox(JMeterUtils.getResString("scheduler")); // $NON-NLS-1$
        scheduler.addItemListener(this);
        threadPropsPanel.add(scheduler);
        mainPanel = new VerticalPanel();
        mainPanel.setBorder(BorderFactory.createTitledBorder(BorderFactory.createEtchedBorder(),
                JMeterUtils.getResString("scheduler_configuration"))); // $NON-NLS-1$
        mainPanel.add(createStartTimePanel());
        mainPanel.add(createEndTimePanel());
        mainPanel.add(createDurationPanel());
        mainPanel.add(createDelayPanel());
        mainPanel.setVisible(false);
        VerticalPanel intgrationPanel = new VerticalPanel();
        intgrationPanel.add(threadPropsPanel);
        intgrationPanel.add(mainPanel);
        add(intgrationPanel, BorderLayout.CENTER);
    }
}

Other JMeter examples (source code examples)

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