tests/org.eclipse.ui.tests/Eclipse UI Tests/org/eclipse/ui/tests/TestPlugin.java

/*******************************************************************************
 * Copyright (c) 2000, 2003 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials 
 * are made available under the terms of the Common Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/cpl-v10.html
 * 
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.ui.tests;

import java.net.MalformedURLException;
import java.net.URL;
import java.util.MissingResourceException;
import java.util.ResourceBundle;

import org.eclipse.core.resources.IWorkspace;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.IPluginDescriptor;

import org.eclipse.jface.resource.ImageDescriptor;

import org.eclipse.ui.plugin.AbstractUIPlugin;

/**
 * The main plugin class to be used in the desktop.
 */
public class TestPlugin extends AbstractUIPlugin {
	//The shared instance.
	private static TestPlugin plugin;
	//Resource bundle.
	private ResourceBundle resourceBundle;
	
	/**
	 * The constructor.
	 */
	public TestPlugin(IPluginDescriptor descriptor) {
		super(descriptor);
		plugin = this;
		try {
			resourceBundle= ResourceBundle.getBundle("org.eclipse.ui.tests.TestPluginResources");
		} catch (MissingResourceException x) {
			resourceBundle = null;
		}
	}

	/**
	 * Returns the shared instance.
	 */
	public static TestPlugin getDefault() {
		return plugin;
	}

	/**
	 * Returns the workspace instance.
	 */
	public static IWorkspace getWorkspace() {
		return ResourcesPlugin.getWorkspace();
	}

	/**
	 * Returns the string from the plugin's resource bundle,
	 * or 'key' if not found.
	 */
	public static String getResourceString(String key) {
		ResourceBundle bundle= TestPlugin.getDefault().getResourceBundle();
		try {
			return bundle.getString(key);
		} catch (MissingResourceException e) {
			return key;
		}
	}

	/**
	 * Returns the plugin's resource bundle,
	 */
	public ResourceBundle getResourceBundle() {
		return resourceBundle;
	}
	
	/**
	 * Returns the image descriptor with the given relative path.
	 */
	public ImageDescriptor getImageDescriptor(String relativePath) {
		String iconPath = "icons/";
		try {
			URL installURL = getDescriptor().getInstallURL();
			URL url = new URL(installURL, iconPath + relativePath);
			return ImageDescriptor.createFromURL(url);
		}
		catch (MalformedURLException e) {
			// should not happen
			return ImageDescriptor.getMissingImageDescriptor();
		}
	}
	
}