| /******************************************************************************* |
| * Copyright (c) 2005 Oracle Corporation. |
| * 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: |
| * Gerry Kessler - initial API and implementation |
| * Ian Trimble - JSFLibraryRegistry work |
| *******************************************************************************/ |
| package org.eclipse.jst.jsf.core.internal; |
| |
| import java.util.Collections; |
| import java.util.List; |
| |
| import org.eclipse.core.runtime.IExtensionPoint; |
| import org.eclipse.core.runtime.ILog; |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.Platform; |
| import org.eclipse.core.runtime.Status; |
| import org.eclipse.core.runtime.preferences.InstanceScope; |
| import org.eclipse.jface.preference.IPreferenceStore; |
| import org.eclipse.jst.jsf.context.IDelegatingFactory; |
| import org.eclipse.jst.jsf.context.resolver.structureddocument.internal.IStructuredDocumentContextResolverFactory2; |
| import org.eclipse.jst.jsf.designtime.context.AbstractDTExternalContextFactory; |
| import org.eclipse.jst.jsf.designtime.el.AbstractDTMethodResolver; |
| import org.eclipse.jst.jsf.designtime.el.AbstractDTPropertyResolver; |
| import org.eclipse.jst.jsf.designtime.el.AbstractDTVariableResolver; |
| import org.eclipse.jst.jsf.designtime.internal.BasicExtensionFactory; |
| import org.eclipse.jst.jsf.designtime.internal.DecoratableExtensionFactory; |
| import org.eclipse.jst.jsf.designtime.internal.BasicExtensionFactory.ExtensionData; |
| import org.eclipse.jst.jsf.designtime.internal.resolver.ViewBasedTaglibResolverFactory; |
| import org.eclipse.jst.jsf.designtime.internal.view.AbstractDTViewHandler; |
| import org.eclipse.ui.preferences.ScopedPreferenceStore; |
| import org.eclipse.wst.common.frameworks.internal.WTPPlugin; |
| import org.osgi.framework.BundleContext; |
| |
| /** |
| * JSF Core plugin. |
| * |
| * @author Gerry Kessler - Oracle, Ian Trimble - Oracle |
| */ |
| public class JSFCorePlugin extends WTPPlugin |
| { |
| /** |
| * The plugin id |
| */ |
| public static final String PLUGIN_ID = "org.eclipse.jst.jsf.core"; // org.eclipse.jst.jsf.core.internal.JSFCorePlugin"; //$NON-NLS-1$ |
| // //$NON-NLS-1$ |
| |
| /** |
| * The extension point id (plugin relative) for the tag registry factory provider. |
| */ |
| public static final String TAG_REGISTRY_FACTORY_PROVIDER_ID = "tagRegistryFactory"; //$NON-NLS-1$ |
| |
| // The shared instance. |
| private static JSFCorePlugin plugin; |
| |
| private IPreferenceStore preferenceStore; |
| |
| private ViewBasedTaglibResolverFactory _tagLibResolverFactory; |
| |
| /** |
| * The constructor. |
| */ |
| public JSFCorePlugin() |
| { |
| plugin = this; |
| } |
| |
| /** |
| * This method is called upon plug-in activation |
| * |
| * @param context |
| * @throws Exception |
| */ |
| @Override |
| public void start(final BundleContext context) throws Exception |
| { |
| super.start(context); |
| final IStructuredDocumentContextResolverFactory2 factory = IStructuredDocumentContextResolverFactory2.INSTANCE; |
| if (factory instanceof IDelegatingFactory) |
| { |
| _tagLibResolverFactory = new ViewBasedTaglibResolverFactory(); |
| ((IDelegatingFactory) factory) |
| .addFactoryDelegate(_tagLibResolverFactory); |
| } |
| else |
| { |
| log("Error adding tag resolver delegate", new Throwable()); //$NON-NLS-1$ |
| } |
| } |
| |
| /** |
| * This method is called when the plug-in is stopped |
| * |
| * @param context |
| * @throws Exception |
| */ |
| @Override |
| public void stop(final BundleContext context) throws Exception |
| { |
| super.stop(context); |
| |
| final IStructuredDocumentContextResolverFactory2 factory = IStructuredDocumentContextResolverFactory2.INSTANCE; |
| |
| if (factory instanceof IDelegatingFactory |
| && _tagLibResolverFactory != null) |
| { |
| ((IDelegatingFactory) factory) |
| .removeFactoryDelegate(_tagLibResolverFactory); |
| } |
| plugin = null; |
| } |
| |
| /** |
| * Returns the shared instance. |
| * |
| * @return the shared instance |
| */ |
| public static JSFCorePlugin getDefault() |
| { |
| return plugin; |
| } |
| |
| /** |
| * @param e |
| * @param msg |
| */ |
| public static void log(final Exception e, final String msg) |
| { |
| final ILog log = getDefault().getLog(); |
| |
| log.log(new Status(IStatus.ERROR, PLUGIN_ID, IStatus.OK, msg, e)); |
| } |
| |
| /** |
| * Logs using the default ILog implementation provided by getLog(). |
| * |
| * @param severity |
| * Severity (IStatus constant) of log entry |
| * @param message |
| * Human-readable message describing log entry |
| * @param ex |
| * Throwable instance (can be null) |
| */ |
| public static void log(final int severity, final String message, |
| final Throwable ex) |
| { |
| getDefault().getLog().log( |
| new Status(severity, PLUGIN_ID, IStatus.OK, message, ex)); |
| } |
| |
| /** |
| * Logs using the default ILog implementation provided by getLog(). |
| * |
| * @param severity |
| * Severity (IStatus constant) of log entry |
| * @param message |
| * Human-readable message describing log entry |
| */ |
| public static void log(final int severity, final String message) |
| { |
| log(severity, message, null); |
| } |
| |
| /** |
| * Logs a message for this plugin |
| * |
| * @param message |
| * @param t |
| */ |
| public static void log(final String message, final Throwable t) |
| { |
| final ILog log = plugin.getLog(); |
| log.log(new Status(IStatus.ERROR, plugin.getBundle().getSymbolicName(), |
| 0, message, t)); |
| } |
| |
| @Override |
| public String getPluginID() |
| { |
| return PLUGIN_ID; |
| } |
| |
| /** |
| * @param id |
| * @return all registered symbol source providers |
| */ |
| public synchronized static ExtensionData<AbstractDTVariableResolver> getVariableResolvers(final String id) |
| { |
| checkAndInitVariableResolverFactory(); |
| return _variableResolverFactory.getExtensions().get(id); |
| } |
| |
| /** |
| * @param forName |
| * @return the ids of variable resolvers for 'forName'. |
| */ |
| public synchronized static List<String> getVariableResolversForName( |
| final String forName) |
| { |
| checkAndInitVariableResolverFactory(); |
| return Collections.unmodifiableList(_variableResolverFactory |
| .getIdsForName(forName)); |
| } |
| |
| /** |
| * @return true if there any decorative resolvers in the system. This |
| * is provided so that decorative variable resolvers can avoid expensive |
| * calculations looking for these resolvers when there are none. |
| */ |
| public synchronized static boolean hasDecorativeVariableResolvers() |
| { |
| checkAndInitVariableResolverFactory(); |
| return _variableResolverFactory.getNumDecorativeResolvers() > 0; |
| } |
| |
| private synchronized static void checkAndInitVariableResolverFactory() |
| { |
| if (_variableResolverFactory == null) |
| { |
| _variableResolverFactory = new DecoratableExtensionFactory<AbstractDTVariableResolver>( |
| getDefault().getBundle(), VARIABLE_RESOLVER_EXT_POINT_NAME, |
| VARIABLE_RESOLVER_ELEMENT_NAME, false); |
| } |
| } |
| |
| private static DecoratableExtensionFactory<AbstractDTVariableResolver> _variableResolverFactory; |
| private final static String VARIABLE_RESOLVER_EXT_POINT_NAME = "variableresolver"; //$NON-NLS-1$ |
| private final static String VARIABLE_RESOLVER_ELEMENT_NAME = "variableresolver"; //$NON-NLS-1$ |
| |
| /** |
| * @param id |
| * @return a map of all registered property resolvers by id |
| */ |
| public synchronized static ExtensionData<AbstractDTPropertyResolver> getPropertyResolver(final String id) |
| { |
| checkAndInitPropertyFactory(); |
| return _propertyResolverFactory.getExtensions().get(id); |
| } |
| |
| private synchronized static void checkAndInitPropertyFactory() |
| { |
| if (_propertyResolverFactory == null) |
| { |
| _propertyResolverFactory = new DecoratableExtensionFactory<AbstractDTPropertyResolver>( |
| getDefault().getBundle(), PROPERTY_RESOLVER_EXT_POINT_NAME, |
| PROPERTY_RESOLVER_ELEMENT_NAME, false); |
| } |
| } |
| |
| /** |
| * @param forName |
| * @return the ids of variable resolvers for 'forName'. |
| */ |
| public synchronized static List<String> getPropertyResolversForName( |
| final String forName) |
| { |
| checkAndInitVariableResolverFactory(); |
| return Collections.unmodifiableList(_propertyResolverFactory |
| .getIdsForName(forName)); |
| } |
| |
| /** |
| * @return true if there an decorating resolvers |
| */ |
| public synchronized static boolean hasDecorativePropertyResolvers() |
| { |
| checkAndInitVariableResolverFactory(); |
| return _propertyResolverFactory.getNumDecorativeResolvers() > 0; |
| } |
| |
| private static DecoratableExtensionFactory<AbstractDTPropertyResolver> _propertyResolverFactory; |
| private final static String PROPERTY_RESOLVER_EXT_POINT_NAME = "propertyresolver"; //$NON-NLS-1$ |
| private final static String PROPERTY_RESOLVER_ELEMENT_NAME = "propertyresolver"; //$NON-NLS-1$ |
| |
| /** |
| * @param id |
| * @return a map of all registered method resolvers by id |
| */ |
| public synchronized static ExtensionData<AbstractDTMethodResolver> getMethodResolvers(final String id) |
| { |
| checkAndInitMethodResolverFactory(); |
| return _methodResolverFactory.getExtensions().get(id); |
| } |
| |
| private synchronized static void checkAndInitMethodResolverFactory() |
| { |
| if (_methodResolverFactory == null) |
| { |
| _methodResolverFactory = new BasicExtensionFactory<AbstractDTMethodResolver>( |
| getDefault().getBundle(), METHOD_RESOLVER_EXT_POINT_NAME, |
| METHOD_RESOLVER_ELEMENT_NAME, false); |
| } |
| } |
| private static BasicExtensionFactory<AbstractDTMethodResolver> _methodResolverFactory; |
| private final static String METHOD_RESOLVER_EXT_POINT_NAME = "methodresolver"; //$NON-NLS-1$ |
| private final static String METHOD_RESOLVER_ELEMENT_NAME = "methodresolver"; //$NON-NLS-1$ |
| |
| /** |
| * @param id |
| * @return a map of all registered external context providers by id |
| */ |
| public synchronized static ExtensionData<AbstractDTExternalContextFactory> getExternalContextProviders(final String id) |
| { |
| checkAndInitExternalContextFactory(); |
| return _externalContextResolverFactory.getExtensions().get(id); |
| } |
| |
| private synchronized static void checkAndInitExternalContextFactory() |
| { |
| if (_externalContextResolverFactory == null) |
| { |
| _externalContextResolverFactory = new BasicExtensionFactory<AbstractDTExternalContextFactory>( |
| getDefault().getBundle(), EXTERNAL_CONTEXT_EXT_POINT_NAME, |
| EXTERNAL_CONTEXT_ELEMENT_NAME, false); |
| } |
| } |
| |
| private static BasicExtensionFactory<AbstractDTExternalContextFactory> _externalContextResolverFactory; |
| private final static String EXTERNAL_CONTEXT_EXT_POINT_NAME = "externalcontext"; //$NON-NLS-1$ |
| private final static String EXTERNAL_CONTEXT_ELEMENT_NAME = "externalcontext"; //$NON-NLS-1$ |
| |
| /** |
| * @param id |
| * @return a map of all registered external context providers by id |
| */ |
| public synchronized static ExtensionData<AbstractDTViewHandler> getViewHandlers(final String id) |
| { |
| checkAndInitViewHandler(); |
| return _viewHandlerFactory.getExtensions().get(id); |
| } |
| |
| private synchronized static void checkAndInitViewHandler() |
| { |
| if (_viewHandlerFactory == null) |
| { |
| _viewHandlerFactory = new BasicExtensionFactory<AbstractDTViewHandler>( |
| getDefault().getBundle(), VIEWHANDLER_EXT_POINT_NAME, |
| VIEWHANDLER_ELEMENT_NAME, true); |
| } |
| } |
| |
| private static BasicExtensionFactory<AbstractDTViewHandler> _viewHandlerFactory; |
| private final static String VIEWHANDLER_EXT_POINT_NAME = "viewhandler"; //$NON-NLS-1$ |
| private final static String VIEWHANDLER_ELEMENT_NAME = "viewhandler"; //$NON-NLS-1$ |
| |
| /** |
| * @return the preference store for this bundle TODO: this is copied from |
| * AbstractUIPlugin; need to upgrade to new IPreferencesService |
| */ |
| public synchronized IPreferenceStore getPreferenceStore() |
| { |
| // Create the preference store lazily. |
| if (this.preferenceStore == null) |
| { |
| this.preferenceStore = new ScopedPreferenceStore( |
| new InstanceScope(), getBundle().getSymbolicName()); |
| |
| } |
| return this.preferenceStore; |
| } |
| |
| /** |
| * @param name |
| * @return the extension point called name for this bundle |
| */ |
| public IExtensionPoint getExtension(final String name) |
| { |
| return Platform.getExtensionRegistry().getExtensionPoint( |
| plugin.getBundle().getSymbolicName(), name); |
| } |
| } |