JMeter example source code file (TestActionGui.java)

This example JMeter source code file (TestActionGui.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, changelistener, defaultcomboboxmodel, event, gui, horizontalpanel, horizontalpanel, jlabel, jradiobutton, jtextfield, non-nls-1, non-nls-1, string, string, swing, testaction, testaction, testactiongui

The JMeter TestActionGui.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.gui;

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.FocusEvent;
import java.awt.event.FocusListener;

import javax.swing.ButtonGroup;
import javax.swing.DefaultComboBoxModel;
import javax.swing.JComboBox;
import javax.swing.JLabel;
import javax.swing.JRadioButton;
import javax.swing.JTextField;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;

import org.apache.jmeter.gui.util.HorizontalPanel;
import org.apache.jmeter.sampler.TestAction;
import org.apache.jmeter.samplers.gui.AbstractSamplerGui;
import org.apache.jmeter.testelement.TestElement;
import org.apache.jmeter.util.JMeterUtils;
import org.apache.jorphan.gui.layout.VerticalLayout;

public class TestActionGui extends AbstractSamplerGui {
    private static final long serialVersionUID = 240L;

    // Gui components
    private JComboBox targetBox;

    // private ButtonGroup actionButtons;
    private JRadioButton pauseButton;

    private JRadioButton stopButton;

    private JRadioButton stopNowButton;

    private JTextField durationField;

    // State variables
    private int target;

    private int action;

    private String durationString;

    // String in the panel
    // Do not make these static, otherwise language changes don't work
    private final String targetLabel = JMeterUtils.getResString("test_action_target"); // $NON-NLS-1$

    private final String threadTarget = JMeterUtils.getResString("test_action_target_thread"); // $NON-NLS-1$

    private final String testTarget = JMeterUtils.getResString("test_action_target_test"); // $NON-NLS-1$

    private final String actionLabel = JMeterUtils.getResString("test_action_action"); // $NON-NLS-1$

    private final String pauseAction = JMeterUtils.getResString("test_action_pause"); // $NON-NLS-1$

    private final String stopAction = JMeterUtils.getResString("test_action_stop"); // $NON-NLS-1$

    private final String stopNowAction = JMeterUtils.getResString("test_action_stop_now"); // $NON-NLS-1$

    private final String durationLabel = JMeterUtils.getResString("test_action_duration"); // $NON-NLS-1$

    public TestActionGui() {
        super();
        target = TestAction.THREAD;
        action = TestAction.PAUSE;
        durationString = ""; // $NON-NLS-1$
        init();
    }

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

    @Override
    public void configure(TestElement element) {
        super.configure(element);
        TestAction ta = (TestAction) element;

        target = ta.getTarget();
        if (target == TestAction.THREAD) {
            targetBox.setSelectedItem(threadTarget);
        } else {
            targetBox.setSelectedItem(testTarget);
        }
        action = ta.getAction();
        if (action == TestAction.PAUSE) {
            pauseButton.setSelected(true);
        } else if (action == TestAction.STOP_NOW) {
            stopNowButton.setSelected(true);
        } else {
            stopButton.setSelected(true);
        }

        durationString = ta.getDurationAsString();
        durationField.setText(durationString);
    }

    /**
     * @see org.apache.jmeter.gui.JMeterGUIComponent#createTestElement()
     */
    public TestElement createTestElement() {
        TestAction ta = new TestAction();
        modifyTestElement(ta);
        return ta;
    }

    /**
     * Modifies a given TestElement to mirror the data in the gui components.
     *
     * @see org.apache.jmeter.gui.JMeterGUIComponent#modifyTestElement(TestElement)
     */
    public void modifyTestElement(TestElement element) {
        super.configureTestElement(element);
        TestAction ta = (TestAction) element;
        ta.setAction(action);
        ta.setTarget(target);
        ta.setDuration(durationString);
    }

    /**
     * Implements JMeterGUIComponent.clearGui
     */
    @Override
    public void clearGui() {
        super.clearGui();

        targetBox.setSelectedIndex(0);
        durationString = ""; //$NON-NLS-1$
        durationField.setText(""); //$NON-NLS-1$
        pauseButton.setSelected(true);
        action = TestAction.PAUSE;
        target = TestAction.THREAD;

    }

    private void init() {
        setLayout(new VerticalLayout(5, VerticalLayout.BOTH, VerticalLayout.TOP));
        setBorder(makeBorder());
        add(makeTitlePanel());

        // Target
        HorizontalPanel targetPanel = new HorizontalPanel();
        targetPanel.add(new JLabel(targetLabel));
        DefaultComboBoxModel targetModel = new DefaultComboBoxModel();
        targetModel.addElement(threadTarget);
        targetModel.addElement(testTarget);
        targetBox = new JComboBox(targetModel);
        targetBox.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                if (((String) targetBox.getSelectedItem()).equals(threadTarget)) {
                    target = TestAction.THREAD;
                } else {
                    target = TestAction.TEST;
                }
            }
        });
        targetPanel.add(targetBox);
        add(targetPanel);

        // Action
        HorizontalPanel actionPanel = new HorizontalPanel();
        ButtonGroup actionButtons = new ButtonGroup();
        pauseButton = new JRadioButton(pauseAction, true);
        pauseButton.addChangeListener(new ChangeListener() {
            public void stateChanged(ChangeEvent e) {
                if (pauseButton.isSelected()) {
                    action = TestAction.PAUSE;
                    durationField.setEnabled(true);
                }

            }
        });
        stopButton = new JRadioButton(stopAction, false);
        stopButton.addChangeListener(new ChangeListener() {
            public void stateChanged(ChangeEvent e) {
                if (stopButton.isSelected()) {
                    action = TestAction.STOP;
                    durationField.setEnabled(false);
                }
            }
        });
        stopNowButton = new JRadioButton(stopNowAction, false);
        stopNowButton.addChangeListener(new ChangeListener() {
            public void stateChanged(ChangeEvent e) {
                if (stopNowButton.isSelected()) {
                    action = TestAction.STOP_NOW;
                    durationField.setEnabled(false);
                }
            }
        });
        actionButtons.add(pauseButton);
        actionButtons.add(stopButton);
        actionButtons.add(stopNowButton);
        actionPanel.add(new JLabel(actionLabel));
        actionPanel.add(pauseButton);
        actionPanel.add(stopButton);
        actionPanel.add(stopNowButton);
        add(actionPanel);

        // Duration
        HorizontalPanel durationPanel = new HorizontalPanel();
        durationField = new JTextField(15);
        durationField.setText("");
        durationField.addFocusListener(new FocusListener() {
            public void focusLost(FocusEvent e) {
                durationString = durationField.getText();
            }

            public void focusGained(FocusEvent e) {
            }
        });
        durationPanel.add(new JLabel(durationLabel));
        durationPanel.add(durationField);
        add(durationPanel);
    }

}