| //------------------------------------------------------------------------------ |
| // Copyright (c) 2005, 2006 IBM Corporation and others. |
| // All rights reserved. This program and the accompanying materials |
| // are made available under the terms of the Eclipse Public License v1.0 |
| // which accompanies this distribution, and is available at |
| // http://www.eclipse.org/legal/epl-v10.html |
| // |
| // Contributors: |
| // IBM Corporation - initial implementation |
| //------------------------------------------------------------------------------ |
| package org.eclipse.epf.library.edit; |
| |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| import org.eclipse.core.runtime.IConfigurationElement; |
| import org.eclipse.core.runtime.IExtension; |
| import org.eclipse.core.runtime.IExtensionPoint; |
| import org.eclipse.core.runtime.IExtensionRegistry; |
| import org.eclipse.core.runtime.Platform; |
| import org.eclipse.epf.common.preferences.IPreferenceStoreWrapper; |
| import org.osgi.framework.Bundle; |
| |
| |
| /** |
| * @author Phong Nguyen Le |
| * @since 1.0 |
| */ |
| public final class Providers { |
| |
| private static IConfiguratorFactory configuratorFactory; |
| |
| private static IConfigurationApplicator configurationApplicator; |
| |
| private static IPreferenceStoreWrapper preferenceStore; |
| |
| private static IPreferenceStoreWrapper authoringPluginPreferenceStore; |
| |
| private static Map commandTypeToListenersMap = new HashMap(); |
| |
| private Providers() { |
| super(); |
| } |
| |
| public static IConfiguratorFactory getConfiguratorFactory() { |
| return configuratorFactory; |
| } |
| |
| public static void setConfiguratorFactory( |
| IConfiguratorFactory configuratorFactory) { |
| Providers.configuratorFactory = configuratorFactory; |
| } |
| |
| public static IConfigurationApplicator getConfigurationApplicator() { |
| return configurationApplicator; |
| } |
| |
| public static void setConfigurationApplicator( |
| IConfigurationApplicator configurationApplicator) { |
| Providers.configurationApplicator = configurationApplicator; |
| } |
| |
| public static IPreferenceStoreWrapper getPreferenceStore() { |
| return preferenceStore; |
| } |
| |
| public static void setPreferenceStore(IPreferenceStoreWrapper preferenceStore) { |
| Providers.preferenceStore = preferenceStore; |
| } |
| |
| public static IPreferenceStoreWrapper getAuthoringPluginPreferenceStore() { |
| return authoringPluginPreferenceStore; |
| } |
| |
| public static void setAuthoringPluginPreferenceStore(IPreferenceStoreWrapper store) { |
| authoringPluginPreferenceStore = store; |
| } |
| |
| public static void registerCommandListener(ICommandListener listener) { |
| List listeners = (List) commandTypeToListenersMap.get(listener |
| .getCommandType()); |
| if (listeners == null) { |
| listeners = new ArrayList(); |
| commandTypeToListenersMap.put(listener.getCommandType(), listeners); |
| } else if (listeners.contains(listener)) { |
| return; |
| } |
| listeners.add(listener); |
| } |
| |
| public static void removeCommandListener(ICommandListener listener) { |
| List listeners = (List) commandTypeToListenersMap.get(listener |
| .getCommandType()); |
| if (listeners != null) { |
| listeners.remove(listener); |
| if (listeners.isEmpty()) { |
| commandTypeToListenersMap.remove(listener.getCommandType()); |
| } |
| } |
| } |
| |
| public static List getCommandListeners(Class commandType) { |
| return (List) commandTypeToListenersMap.get(commandType); |
| } |
| |
| static { |
| // register command listeners that have been contributed via extension point org.eclipse.epf.library.edit.commandListeners |
| // |
| try { |
| String namespace = LibraryEditPlugin.getDefault().getId(); |
| String extensionPointName = "commandListeners"; //$NON-NLS-1$ |
| IExtensionRegistry extensionRegistry = Platform.getExtensionRegistry(); |
| IExtensionPoint extensionPoint = extensionRegistry.getExtensionPoint(namespace, extensionPointName); |
| if (extensionPoint != null) { |
| IExtension[] extensions = extensionPoint.getExtensions(); |
| for (int i = 0; i < extensions.length; i++) { |
| IExtension extension = extensions[i]; |
| String pluginId = extension.getNamespaceIdentifier(); |
| Bundle bundle = Platform.getBundle(pluginId); |
| IConfigurationElement[] configElements = extension |
| .getConfigurationElements(); |
| for (int j = 0; j < configElements.length; j++) { |
| IConfigurationElement configElement = configElements[j]; |
| try { |
| String className = configElement.getAttribute("class"); //$NON-NLS-1$ |
| if(className != null) { |
| Object ext = bundle.loadClass(className).newInstance(); |
| if(ext instanceof ICommandListener) { |
| registerCommandListener((ICommandListener) ext); |
| } |
| } |
| } catch (Exception e) { |
| LibraryEditPlugin.INSTANCE.log(e); |
| } |
| } |
| } |
| } |
| } |
| catch(Exception e) { |
| LibraryEditPlugin.getDefault().getLogger().logError(e); |
| } |
| |
| } |
| |
| } |