Java tutorial
/* * JBoss, Home of Professional Open Source * Copyright 2006, JBoss Inc., and individual contributors as indicated * by the @authors tag. See the copyright.txt in the distribution for a * full listing of individual contributors. * * This is free software; you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License as * published by the Free Software Foundation; either version 2.1 of * the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this software; if not, write to the Free * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA * 02110-1301 USA, or see the FSF site: http://www.fsf.org. */ package org.jboss.ide.eclipse.as.ui; import java.util.Hashtable; import java.util.Iterator; import org.eclipse.jface.resource.ImageDescriptor; import org.eclipse.swt.graphics.Image; import org.eclipse.wst.server.ui.internal.ImageResource; import org.osgi.framework.Bundle; /** * @author Marshall * * A class that keeps references and disposes of the UI plugin's images */ public class JBossServerUISharedImages { public static final String IMG_JBOSS = "jboss"; //$NON-NLS-1$ public static final String IMG_JBOSS_CONFIGURATION = "jbossconfiguration"; //$NON-NLS-1$ public static final String WIZBAN_JBOSS_LOGO = "jbossLogo"; //$NON-NLS-1$ public static final String WIZBAN_EAP_LOGO = "eap_wizban"; //$NON-NLS-1$ public static final String WIZBAN_AS7_LOGO = "as7_wizban"; //$NON-NLS-1$ public static final String WIZBAN_WILDFLY_LOGO = "wildflyBanner"; //$NON-NLS-1$ public static final String TWIDDLE_IMAGE = "TWIDDLE_IMAGE"; //$NON-NLS-1$ public static final String INACTIVE_CATEGORY_IMAGE = "INACTIVE_CATEGORY_IMAGE"; //$NON-NLS-1$ public static final String GENERIC_SERVER_IMAGE = "GENERIC_SERVER_IMAGE"; //$NON-NLS-1$ public static final String PUBLISH_IMAGE = "PUBLISH_IMAGE"; //$NON-NLS-1$ public static final String UNPUBLISH_IMAGE = "UNPUBLISH_IMAGE"; //$NON-NLS-1$ public static final String JMX_IMAGE = "JMX_IMAGE"; //$NON-NLS-1$ public static final String EXPLORE_IMAGE = "EXPLORE_IMAGE"; //$NON-NLS-1$ public static final String XPATH_LEVEL_1 = "xpath_level_1"; //$NON-NLS-1$ public static final String XPATH_LEVEL_2 = "xpath_level_2"; //$NON-NLS-1$ public static final String XPATH_LEVEL_3 = "xpath_level_3"; //$NON-NLS-1$ public static final String CONSOLE = "console"; //$NON-NLS-1$ public static final String ERROR_MARKER = "errorMarker"; //$NON-NLS-1$ private static JBossServerUISharedImages instance; private Hashtable<String, Object> images, descriptors; private JBossServerUISharedImages() { instance = this; images = new Hashtable<String, Object>(); descriptors = new Hashtable<String, Object>(); Bundle pluginBundle = JBossServerUIPlugin.getDefault().getBundle(); descriptors.put(IMG_JBOSS, createImageDescriptor(pluginBundle, "/icons/jboss.gif")); //$NON-NLS-1$ descriptors.put(IMG_JBOSS_CONFIGURATION, createImageDescriptor(pluginBundle, "/icons/jboss-configuration.gif")); //$NON-NLS-1$ descriptors.put(WIZBAN_EAP_LOGO, createImageDescriptor(pluginBundle, "/icons/eap_wizban.png")); //$NON-NLS-1$ descriptors.put(WIZBAN_AS7_LOGO, createImageDescriptor(pluginBundle, "/icons/as7_wizban.png")); //$NON-NLS-1$ descriptors.put(WIZBAN_JBOSS_LOGO, createImageDescriptor(pluginBundle, "/icons/JBoss_byRH_logo_rgb.png")); //$NON-NLS-1$ descriptors.put(WIZBAN_WILDFLY_LOGO, createImageDescriptor(pluginBundle, "/icons/wildfly_wizban.png")); //$NON-NLS-1$ descriptors.put(TWIDDLE_IMAGE, createImageDescriptor(pluginBundle, "icons/twiddle.gif")); //$NON-NLS-1$ descriptors.put(INACTIVE_CATEGORY_IMAGE, createImageDescriptor(pluginBundle, "/icons/inactiveCat.gif")); //$NON-NLS-1$ descriptors.put(PUBLISH_IMAGE, createImageDescriptor(pluginBundle, "/icons/publish.gif")); //$NON-NLS-1$ descriptors.put(UNPUBLISH_IMAGE, createImageDescriptor(pluginBundle, "/icons/unpublish.gif")); //$NON-NLS-1$ descriptors.put(JMX_IMAGE, createImageDescriptor(pluginBundle, "/icons/jmeth_obj.gif")); //$NON-NLS-1$ descriptors.put(EXPLORE_IMAGE, createImageDescriptor(pluginBundle, "/icons/actions/xpl/explore.gif")); //$NON-NLS-1$ descriptors.put(XPATH_LEVEL_1, createImageDescriptor(pluginBundle, "icons/xpath_level_1.gif")); //$NON-NLS-1$ descriptors.put(XPATH_LEVEL_2, createImageDescriptor(pluginBundle, "icons/xpath_level_2.gif")); //$NON-NLS-1$ descriptors.put(XPATH_LEVEL_3, createImageDescriptor(pluginBundle, "icons/xpath_level_3.gif")); //$NON-NLS-1$ descriptors.put(CONSOLE, createImageDescriptor(pluginBundle, "/icons/console.gif")); //$NON-NLS-1$ descriptors.put(ERROR_MARKER, createImageDescriptor(pluginBundle, "/icons/errorMarker.gif")); //$NON-NLS-1$ Iterator<String> iter = descriptors.keySet().iterator(); while (iter.hasNext()) { String key = iter.next(); ImageDescriptor descriptor = descriptor(key); images.put(key, descriptor.createImage()); } images.put(GENERIC_SERVER_IMAGE, ImageResource.getImageDescriptor(ImageResource.IMG_CTOOL_NEW_SERVER).createImage()); descriptors.put(GENERIC_SERVER_IMAGE, ImageDescriptor.createFromImage((Image) images.get(GENERIC_SERVER_IMAGE))); } private ImageDescriptor createImageDescriptor(Bundle pluginBundle, String relativePath) { return ImageDescriptor.createFromURL(pluginBundle.getEntry(relativePath)); } public static JBossServerUISharedImages instance() { if (instance == null) instance = new JBossServerUISharedImages(); return instance; } public static Image getImage(String key) { return instance().image(key); } public static ImageDescriptor getImageDescriptor(String key) { return instance().descriptor(key); } public Image image(String key) { return (Image) images.get(key); } public ImageDescriptor descriptor(String key) { return (ImageDescriptor) descriptors.get(key); } public void cleanup() { Iterator<String> iter = images.keySet().iterator(); while (iter.hasNext()) { Image image = (Image) images.get(iter.next()); image.dispose(); } images = null; descriptors = null; instance = null; } public static void optionalCleanup() { if (instance != null) { instance.cleanup(); } } protected void finalize() throws Throwable { cleanup(); super.finalize(); } }