JMeter example source code file (ModuleControllerGui.java)

This example JMeter source code file (ModuleControllerGui.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, gui, jlabel, jmetertreenode, jmetertreenode, jpopupmenu, modulecontroller, modulecontrollergui, non-nls-1, non-nls-1, override, string, string, stringbuilder, swing, treenodewrapper, treenodewrapper, util

The JMeter ModuleControllerGui.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.control.gui;

import java.awt.FlowLayout;
import java.util.Collection;
import java.util.Iterator;

import javax.swing.DefaultComboBoxModel;
import javax.swing.JComboBox;
import javax.swing.JLabel;
import javax.swing.JMenu;
import javax.swing.JPanel;
import javax.swing.JPopupMenu;

import org.apache.jmeter.control.Controller;
import org.apache.jmeter.control.ModuleController;
import org.apache.jmeter.gui.GuiPackage;
import org.apache.jmeter.gui.action.ActionNames;
import org.apache.jmeter.gui.tree.JMeterTreeNode;
import org.apache.jmeter.gui.util.MenuFactory;
import org.apache.jmeter.testelement.TestElement;
import org.apache.jmeter.testelement.TestPlan;
import org.apache.jmeter.testelement.WorkBench;
import org.apache.jmeter.threads.AbstractThreadGroup;
import org.apache.jmeter.util.JMeterUtils;
import org.apache.jorphan.gui.layout.VerticalLayout;

/**
 * ModuleController Gui.
 *
 */
public class ModuleControllerGui extends AbstractControllerGui
// implements UnsharedComponent
{

    private static final long serialVersionUID = 240L;

    private JMeterTreeNode selected = null;

    private final JComboBox nodes;

    private final DefaultComboBoxModel nodesModel;

    private final JLabel warningLabel;

    /**
     * Initializes the gui panel for the ModuleController instance.
     */
    public ModuleControllerGui() {
        nodesModel = new DefaultComboBoxModel();
        nodes = new JComboBox(nodesModel);
        warningLabel = new JLabel(""); // $NON-NLS-1$
        init();
    }

    /** {@inheritDoc}} */
    public String getLabelResource() {
        return "module_controller_title"; // $NON-NLS-1$
    }
    /** {@inheritDoc}} */
    @Override
    public void configure(TestElement el) {
        super.configure(el);
        ModuleController controller = (ModuleController) el;
        this.selected = controller.getSelectedNode();
        if (selected == null && controller.getNodePath() != null) {
            warningLabel.setText(JMeterUtils.getResString("module_controller_warning") // $NON-NLS-1$
                    + renderPath(controller.getNodePath()));
        } else {
            warningLabel.setText(""); // $NON-NLS-1$
        }
        reinitialize();
    }

    private String renderPath(Collection<?> path) {
        Iterator<?> iter = path.iterator();
        StringBuilder buf = new StringBuilder();
        boolean first = true;
        while (iter.hasNext()) {
            if (first) {
                first = false;
                iter.next();
                continue;
            }
            buf.append(iter.next());
            if (iter.hasNext()) {
                buf.append(" > "); // $NON-NLS-1$
            }
        }
        return buf.toString();
    }

    /** {@inheritDoc}} */
    public TestElement createTestElement() {
        ModuleController mc = new ModuleController();
        configureTestElement(mc);
        if (selected != null) {
            mc.setSelectedNode(selected);
        }
        return mc;
    }

    /** {@inheritDoc}} */
    public void modifyTestElement(TestElement element) {
        configureTestElement(element);
        TreeNodeWrapper tnw = (TreeNodeWrapper) nodesModel.getSelectedItem();
        if (tnw != null && tnw.getTreeNode() != null) {
            selected = tnw.getTreeNode();
            if (selected != null) {
                ((ModuleController) element).setSelectedNode(selected);
            }
        }
    }

    /** {@inheritDoc}} */
    @Override
    public void clearGui() {
        super.clearGui();

        nodes.setSelectedIndex(-1);
        selected = null;
    }


    /** {@inheritDoc}} */
    @Override
    public JPopupMenu createPopupMenu() {
        JPopupMenu menu = new JPopupMenu();
        JMenu addMenu = MenuFactory.makeMenus(
                new String[] {
                        MenuFactory.CONFIG_ELEMENTS,
                        MenuFactory.ASSERTIONS,
                        MenuFactory.TIMERS,
                        MenuFactory.LISTENERS,
                },
                JMeterUtils.getResString("add"),  // $NON-NLS-1$
                ActionNames.ADD);
        menu.add(addMenu);
        MenuFactory.addEditMenu(menu, true);
        MenuFactory.addFileMenu(menu);
        return menu;
    }

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

        // DROP-DOWN MENU
        JPanel modulesPanel = new JPanel(new FlowLayout(FlowLayout.LEFT, 20, 5));
        JLabel nodesLabel = new JLabel(JMeterUtils.getResString("module_controller_module_to_run")); // $NON-NLS-1$
        modulesPanel.add(nodesLabel);
        nodesLabel.setLabelFor(nodes);
        reinitialize();
        modulesPanel.add(nodes);
        modulesPanel.add(warningLabel);
        add(modulesPanel);
    }

    private void reinitialize() {
        TreeNodeWrapper current;
        nodesModel.removeAllElements();
        GuiPackage gp = GuiPackage.getInstance();
        JMeterTreeNode root;
        if (gp != null) {
            root = (JMeterTreeNode) GuiPackage.getInstance().getTreeModel().getRoot();
            buildNodesModel(root, "", 0); // $NON-NLS-1$
        }
        if (selected != null) {
            for (int i = 0; i < nodesModel.getSize(); i++) {
                current = (TreeNodeWrapper) nodesModel.getElementAt(i);
                if ((current.getTreeNode() == null && selected == null)
                        || (current.getTreeNode() != null && current.getTreeNode().equals(selected))) {
                    nodesModel.setSelectedItem(current);
                    break;
                }
            }
        }
    }

    private void buildNodesModel(JMeterTreeNode node, String parent_name, int level) {
        if (level == 0 && (parent_name == null || parent_name.length() == 0)) {
            nodesModel.addElement(new TreeNodeWrapper(null, "")); // $NON-NLS-1$
        }
        String seperator = " > "; // $NON-NLS-1$
        if (node != null) {
            for (int i = 0; i < node.getChildCount(); i++) {
                StringBuilder name = new StringBuilder();
                JMeterTreeNode cur = (JMeterTreeNode) node.getChildAt(i);
                TestElement te = cur.getTestElement();
                if (te instanceof AbstractThreadGroup) {
                    name.append(parent_name);
                    name.append(cur.getName());
                    name.append(seperator);
                    buildNodesModel(cur, name.toString(), level);
                } else if (te instanceof Controller && !(te instanceof ModuleController)) {
                    name.append(spaces(level));
                    name.append(parent_name);
                    name.append(cur.getName());
                    TreeNodeWrapper tnw = new TreeNodeWrapper(cur, name.toString());
                    nodesModel.addElement(tnw);
                    name = new StringBuilder();
                    name.append(cur.getName());
                    name.append(seperator);
                    buildNodesModel(cur, name.toString(), level + 1);
                } else if (te instanceof TestPlan || te instanceof WorkBench) {
                    name.append(cur.getName());
                    name.append(seperator);
                    buildNodesModel(cur, name.toString(), 0);
                }
            }
        }
    }

    private String spaces(int level) {
        int multi = 4;
        StringBuilder spaces = new StringBuilder(level * multi);
        for (int i = 0; i < level * multi; i++) {
            spaces.append(" "); // $NON-NLS-1$
        }
        return spaces.toString();
    }
}

class TreeNodeWrapper {

    private final JMeterTreeNode tn;

    private final String label;

    public TreeNodeWrapper(JMeterTreeNode tn, String label) {
        this.tn = tn;
        this.label = label;
    }

    public JMeterTreeNode getTreeNode() {
        return tn;
    }

    /** {@inheritDoc}} */
    @Override
    public String toString() {
        return label;
    }

}