JMeter example source code file (Remove.java)

This example JMeter source code file (Remove.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, cannot, cannot, command, event, guipackage, hashset, jtree, remove, remove, save, set, set, string, swing, testelement, tree, treepath, treepath, util

The JMeter Remove.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.gui.action;

import java.awt.event.ActionEvent;
import java.util.HashSet;
import java.util.Set;

import javax.swing.JOptionPane;
import javax.swing.tree.TreePath;

import org.apache.jmeter.gui.GuiPackage;
import org.apache.jmeter.gui.tree.JMeterTreeNode;
import org.apache.jmeter.testelement.TestElement;

/**
 * Implements the Remove menu item.
 */
public class Remove implements Command {

    private static final Set<String> commands = new HashSet();

    static {
        commands.add(ActionNames.REMOVE);
    }

    /**
     * Constructor for the Remove object
     */
    public Remove() {
    }

    /**
     * Gets the ActionNames attribute of the Remove object.
     *
     * @return the ActionNames value
     */
    public Set<String> getActionNames() {
        return commands;
    }

    public void doAction(ActionEvent e) {
        // TODO - removes the nodes from the CheckDirty map - should it be done later, in case some can't be removed?
        ActionRouter.getInstance().actionPerformed(new ActionEvent(e.getSource(), e.getID(), ActionNames.CHECK_REMOVE));
        GuiPackage guiPackage = GuiPackage.getInstance();
        JMeterTreeNode[] nodes = guiPackage.getTreeListener().getSelectedNodes();
        TreePath newTreePath = // Save parent node for later
        guiPackage.getTreeListener().removedSelectedNode();
        for (int i = nodes.length - 1; i >= 0; i--) {
            removeNode(nodes[i]);
        }
        guiPackage.getTreeListener().getJTree().setSelectionPath(newTreePath);
        guiPackage.updateCurrentGui();
    }

    private static void removeNode(JMeterTreeNode node) {
        TestElement testElement = node.getTestElement();
        if (testElement.canRemove()) {
            GuiPackage.getInstance().getTreeModel().removeNodeFromParent(node);
            GuiPackage.getInstance().removeNode(testElement);
        } else {
            String message = testElement.getClass().getName() + " is busy";
            JOptionPane.showMessageDialog(null, message, "Cannot remove item", JOptionPane.ERROR_MESSAGE);
        }
    }
}