| /******************************************************************************* |
| * Copyright (c) 2003, 2005 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 API and implementation |
| *******************************************************************************/ |
| package org.eclipse.wst.common.internal.emfworkbench.edit; |
| |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.HashMap; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.TreeSet; |
| |
| import org.eclipse.core.runtime.IConfigurationElement; |
| import org.eclipse.emf.ecore.EPackage; |
| import org.eclipse.jem.util.RegistryReader; |
| import org.eclipse.jem.util.logger.proxy.Logger; |
| import org.eclipse.wst.common.internal.emfworkbench.integration.EMFWorkbenchEditPlugin; |
| |
| /** |
| * @author mdelder |
| */ |
| public class AdapterFactoryRegistry extends RegistryReader { |
| |
| public static final String ADAPTER_FACTORY = "adapterFactory"; //$NON-NLS-1$ |
| |
| public static final String PACKAGE_URI = "packageURI"; //$NON-NLS-1$ |
| |
| public static final String CLASS_NAME = "className"; //$NON-NLS-1$ |
| |
| public static final String VIEW = "view"; //$NON-NLS-1$ |
| |
| public static final String ID = "id"; //$NON-NLS-1$ |
| |
| private Map descriptorMap = null; |
| |
| private static AdapterFactoryRegistry instance; |
| |
| private AdapterFactoryRegistry() { |
| super(EMFWorkbenchEditPlugin.ID, EMFWorkbenchEditPlugin.ADAPTER_FACTORY_REGISTRY_EXTENSION_POINT); |
| } |
| |
| public List getDescriptors(EPackage pkg, String viewID) { |
| Collection all = getDescriptors(pkg); |
| if (all == null) |
| return null; |
| |
| Iterator iter = all.iterator(); |
| AdapterFactoryDescriptor desc = null; |
| List result = new ArrayList(all.size()); |
| while (iter.hasNext()) { |
| desc = (AdapterFactoryDescriptor) iter.next(); |
| if (desc.appliesTo(viewID)) |
| result.add(desc); |
| } |
| return result; |
| } |
| |
| public Collection getDescriptors(EPackage registeredPackage) { |
| return (Collection) getDescriptorMap().get(registeredPackage.getNsURI()); |
| } |
| |
| private Map getDescriptorMap() { |
| if (descriptorMap == null) |
| descriptorMap = new HashMap(); |
| return descriptorMap; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.wst.common.frameworks.internal.RegistryReader#readElement(org.eclipse.core.runtime.IConfigurationElement) |
| */ |
| public boolean readElement(IConfigurationElement element) { |
| try { |
| if (element.getName().equals(ADAPTER_FACTORY)) { |
| AdapterFactoryDescriptor descriptor = new AdapterFactoryDescriptor(element); |
| mapDescriptor(descriptor); |
| return true; |
| } |
| } catch (RuntimeException re) { |
| Logger.getLogger().logError(re); |
| } |
| return false; |
| } |
| |
| private void mapDescriptor(AdapterFactoryDescriptor descriptor) { |
| String uri = descriptor.getPackageURI(); |
| Collection descriptors = (Collection) getDescriptorMap().get(uri); |
| if (descriptors == null) { |
| descriptors = new TreeSet(); |
| getDescriptorMap().put(uri, descriptors); |
| } |
| descriptors.add(descriptor); |
| } |
| |
| /** |
| * @return Returns the instance. |
| */ |
| public static AdapterFactoryRegistry instance() { |
| if (instance == null) { |
| instance = new AdapterFactoryRegistry(); |
| instance.readRegistry(); |
| } |
| return instance; |
| } |
| |
| } |