JMeter example source code file (PluginManager.java)

This example JMeter source code file (PluginManager.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

can't, can't, classloader, gui, imageicon, imageicon, logger, net, network, pluginmanager, pluginmanager, string, swing, url, url

The JMeter PluginManager.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.plugin;

import java.net.URL;

import javax.swing.ImageIcon;

import org.apache.jmeter.gui.GUIFactory;
import org.apache.jorphan.logging.LoggingManager;
import org.apache.log.Logger;

public final class PluginManager {
    private static final PluginManager instance = new PluginManager();

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

    private PluginManager() {
    }

    /**
     * Installs a plugin.
     *
     * @param plugin
     *            the plugin to install
     * @param useGui
     *            indication of whether or not the gui will be used
     */
    public static void install(JMeterPlugin plugin, boolean useGui) {
        if (useGui) {
            instance.installPlugin(plugin);
        }
    }

    private void installPlugin(JMeterPlugin plugin) {
        String[][] icons = plugin.getIconMappings();
        ClassLoader classloader = plugin.getClass().getClassLoader();

        for (int i = 0; i < icons.length; i++) {
            URL resource = classloader.getResource(icons[i][1].trim());

            if (resource == null) {
                log.warn("Can't find icon for " + icons[i][0] + " - " + icons[i][1]);
            } else {
                GUIFactory.registerIcon(icons[i][0], new ImageIcon(resource));
                if (icons[i].length > 2 && icons[i][2] != null) {
                    URL resource2 = classloader.getResource(icons[i][2].trim());
                    if (resource2 == null) {
                        log.info("Can't find disabled icon for " + icons[i][0] + " - " + icons[i][2]);
                    } else {
                        GUIFactory.registerDisabledIcon(icons[i][0], new ImageIcon(resource2));
                    }
                }
            }
        }
    }
}