Java tutorial
/******************************************************************************* * Copyright (c) 2012, 2015 Pivotal Software, Inc. * * All rights reserved. This program and the accompanying materials * are made available under the terms of 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. * * Contributors: * Pivotal Software, Inc. - initial API and implementation ********************************************************************************/ package cn.dockerfoundry.ide.eclipse.server.ui.internal; import java.net.MalformedURLException; import java.net.URL; import org.eclipse.core.runtime.IConfigurationElement; import org.eclipse.jface.resource.ImageDescriptor; import org.eclipse.jface.resource.ImageRegistry; import org.eclipse.swt.graphics.Image; import org.eclipse.ui.plugin.AbstractUIPlugin; import cn.dockerfoundry.ide.eclipse.server.core.internal.DockerFoundryBrandingExtensionPoint; /** * @author Christian Dupuis * @author Leo Dos Santos * @author Terry Denney */ public class DockerFoundryImages { private static final URL baseURL = DockerFoundryServerUiPlugin.getDefault().getBundle().getEntry("/icons/"); //$NON-NLS-1$ private final static String OBJ = "obj16/"; //$NON-NLS-1$ public static final ImageDescriptor EDIT = create(OBJ, "edit.gif"); //$NON-NLS-1$ public static final ImageDescriptor TUNNEL_EXTERNAL_TOOLS = create(OBJ, "external_tools.gif"); //$NON-NLS-1$ public static final ImageDescriptor JDBC_DATA_TOOLS = create(OBJ, "jdbc_16.gif"); //$NON-NLS-1$ public static final ImageDescriptor DISCONNECT = create(OBJ, "disconnect.png"); //$NON-NLS-1$ public static final ImageDescriptor CONNECT = create(OBJ, "connect.png"); //$NON-NLS-1$ public static final ImageDescriptor NEW_SERVICE = create(OBJ, "service_new.png"); //$NON-NLS-1$ public static final ImageDescriptor OBJ_APPLICATION = create(OBJ, "application.png"); //$NON-NLS-1$ public static final ImageDescriptor OBJ_MULTI = create(OBJ, "multi.png"); //$NON-NLS-1$ public static final ImageDescriptor OBJ_PUBLISH = create(OBJ, "publish.png"); //$NON-NLS-1$ public static final ImageDescriptor OBJ_SERVICE = create(OBJ, "service.png"); //$NON-NLS-1$ public static final ImageDescriptor OBJ_SINGLE = create(OBJ, "single.png"); //$NON-NLS-1$ public static final ImageDescriptor OBJ_SPRINGSOURCE = create(OBJ, "springsource_obj.png"); //$NON-NLS-1$ public static final ImageDescriptor OVERLAY_REFRESH = create(OBJ, "refresh_overlay.png"); //$NON-NLS-1$ public static final ImageDescriptor REFRESH = create(OBJ, "refresh.gif"); //$NON-NLS-1$ public static final ImageDescriptor REMOVE = create(OBJ, "remove.gif"); //$NON-NLS-1$ public static final ImageDescriptor OVERLAY_ERROR = create(OBJ, "error_overlay.png"); //$NON-NLS-1$ public static final ImageDescriptor RESTART_DEBUG_MODE = create(OBJ, "restart_debug.png"); //$NON-NLS-1$ public static final ImageDescriptor RESTART = create(OBJ, "restart.png"); //$NON-NLS-1$ public static final ImageDescriptor PUSH = create(OBJ, "push.gif"); //$NON-NLS-1$ public static final ImageDescriptor MENU_VIEW_ENABLED = create(OBJ, "view_menu_elcl.gif"); //$NON-NLS-1$ public static final ImageDescriptor MENU_VIEW_DISABLED = create(OBJ, "view_menu_dlcl.gif"); //$NON-NLS-1$ public static final ImageDescriptor DEBUG = create(OBJ, "debug_exc.gif"); //$NON-NLS-1$ public static final ImageDescriptor DEFAULT_WIZARD_BANNER = create(OBJ, "default_wizard_banner.png"); //$NON-NLS-1$ private static ImageRegistry imageRegistry; public static ImageDescriptor create(String prefix, String name) { try { return ImageDescriptor.createFromURL(makeIconFileURL(prefix, name)); } catch (MalformedURLException e) { return ImageDescriptor.getMissingImageDescriptor(); } } /** * Lazily initializes image map. */ public static Image getImage(ImageDescriptor imageDescriptor) { ImageRegistry imageRegistry = getImageRegistry(); Image image = imageRegistry.get("" + imageDescriptor.hashCode()); //$NON-NLS-1$ if (image == null) { image = imageDescriptor.createImage(); imageRegistry.put("" + imageDescriptor.hashCode(), image); //$NON-NLS-1$ } return image; } public static ImageDescriptor getWizardBanner(String serverTypeId) { IConfigurationElement config = DockerFoundryBrandingExtensionPoint.getConfigurationElement(serverTypeId); String wizBanner = DockerFoundryBrandingExtensionPoint.getWizardBannerPath(serverTypeId); if (config != null && wizBanner != null && wizBanner.trim().length() > 0) { String bundle = config.getContributor().getName(); return AbstractUIPlugin.imageDescriptorFromPlugin(bundle, wizBanner); } return null; } private static ImageRegistry getImageRegistry() { if (imageRegistry == null) { imageRegistry = new ImageRegistry(); } return imageRegistry; } private static URL makeIconFileURL(String prefix, String name) throws MalformedURLException { if (baseURL == null) { throw new MalformedURLException(); } StringBuffer buffer = new StringBuffer(); buffer.append("full"); //$NON-NLS-1$ buffer.append('/'); buffer.append(prefix); buffer.append('/'); buffer.append(name); return new URL(baseURL, buffer.toString()); } }