| /** |
| * Copyright (c) 2002-2006 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 - Initial API and implementation |
| */ |
| package org.eclipse.emf.codegen.ecore; |
| |
| |
| import org.osgi.framework.BundleContext; |
| |
| import org.eclipse.core.runtime.IConfigurationElement; |
| import org.eclipse.core.runtime.Platform; |
| |
| import org.eclipse.emf.codegen.ecore.generator.AbstractGeneratorAdapterFactory; |
| import org.eclipse.emf.codegen.ecore.generator.GeneratorAdapter; |
| import org.eclipse.emf.codegen.ecore.generator.GeneratorAdapterFactory; |
| import org.eclipse.emf.codegen.ecore.genmodel.GenModelPackage; |
| import org.eclipse.emf.common.EMFPlugin; |
| import org.eclipse.emf.common.notify.Adapter; |
| import org.eclipse.emf.common.notify.Notifier; |
| import org.eclipse.emf.common.util.ResourceLocator; |
| import org.eclipse.emf.ecore.EClassifier; |
| import org.eclipse.emf.ecore.EPackage; |
| import org.eclipse.emf.ecore.plugin.RegistryReader; |
| import org.eclipse.emf.ecore.resource.ResourceSet; |
| |
| |
| /** |
| * The <b>Plugin</b> for the EMF.CodeGen.Ecore library. |
| */ |
| public final class CodeGenEcorePlugin extends EMFPlugin |
| { |
| /** |
| * The singleton instance of the plugin. |
| */ |
| public static final CodeGenEcorePlugin INSTANCE = new CodeGenEcorePlugin(); |
| |
| /** |
| * The one instance of this class. |
| */ |
| private static Implementation plugin; |
| |
| public static final String ID = "org.eclipse.emf.codegen.ecore"; |
| |
| /** |
| * Creates the singleton instance. |
| */ |
| private CodeGenEcorePlugin() |
| { |
| super(new ResourceLocator[] {}); |
| } |
| |
| /* |
| * Javadoc copied from base class. |
| */ |
| @Override |
| public ResourceLocator getPluginResourceLocator() |
| { |
| return plugin; |
| } |
| |
| /** |
| * Returns the singleton instance of the Eclipse plugin. |
| * @return the singleton instance. |
| */ |
| public static Implementation getPlugin() |
| { |
| return plugin; |
| } |
| |
| /** |
| * The actual implementation of the Eclipse <b>Plugin</b>. |
| */ |
| public static class Implementation extends EMFPlugin.EclipsePlugin |
| { |
| /** |
| * Creates an instance. |
| */ |
| public Implementation() |
| { |
| super(); |
| |
| // Remember the static instance. |
| // |
| plugin = this; |
| } |
| |
| @Override |
| public void start(BundleContext context) throws Exception |
| { |
| super.start(context); |
| |
| new GeneratorAdaptersRegistryReader().readRegistry(); |
| } |
| } |
| |
| static class GeneratorAdaptersRegistryReader extends RegistryReader |
| { |
| static final String EXTENSION_POINT_ID = "generatorAdapters"; |
| static final String ADAPTER_FACTORY_ELEMENT = "adapterFactory"; |
| static final String ADAPTER_ELEMENT = "adapter"; |
| static final String MODEL_PACKAGE_ATTRIBUTE = "modelPackage"; |
| static final String MODEL_CLASS_ATTRIBUTE = "modelClass"; |
| static final String CLASS_ATTRIBUTE = "class"; |
| |
| public GeneratorAdaptersRegistryReader() |
| { |
| super(Platform.getExtensionRegistry(), getPlugin().getBundle().getSymbolicName(), EXTENSION_POINT_ID); |
| } |
| |
| @Override |
| protected boolean readElement(IConfigurationElement element) |
| { |
| String name = element.getName(); |
| |
| if (ADAPTER_FACTORY_ELEMENT.equals(name)) |
| { |
| String modelPackage = element.getAttribute(MODEL_PACKAGE_ATTRIBUTE); |
| if (modelPackage == null) |
| { |
| modelPackage = GenModelPackage.eNS_URI; |
| } |
| |
| if (element.getAttribute(CLASS_ATTRIBUTE) == null) |
| { |
| logMissingAttribute(element, CLASS_ATTRIBUTE); |
| } |
| else |
| { |
| GeneratorAdapterFactory.Descriptor.Registry.INSTANCE.addDescriptor(modelPackage, new Descriptor(element)); |
| return true; |
| } |
| } |
| |
| if (ADAPTER_ELEMENT.equals(name)) |
| { |
| String modelPackage = element.getAttribute(MODEL_PACKAGE_ATTRIBUTE); |
| String modelClass = element.getAttribute(MODEL_CLASS_ATTRIBUTE); |
| if (modelPackage == null) |
| { |
| modelPackage = GenModelPackage.eNS_URI; |
| } |
| |
| if (modelClass == null) |
| { |
| logMissingAttribute(element, MODEL_CLASS_ATTRIBUTE); |
| } |
| else if (element.getAttribute(CLASS_ATTRIBUTE) == null) |
| { |
| logMissingAttribute(element, CLASS_ATTRIBUTE); |
| } |
| else |
| { |
| GeneratorAdapterFactory.Descriptor.Registry.INSTANCE.addDescriptor |
| (modelPackage, new GenericDescriptor(modelPackage, modelClass, element)); |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| static class Descriptor extends RegistryReader.PluginClassDescriptor implements GeneratorAdapterFactory.Descriptor |
| { |
| public Descriptor(IConfigurationElement element) |
| { |
| super(element, CLASS_ATTRIBUTE); |
| } |
| |
| public GeneratorAdapterFactory createAdapterFactory() |
| { |
| return (GeneratorAdapterFactory)createInstance(); |
| } |
| } |
| |
| static class GenericDescriptor extends RegistryReader.PluginClassDescriptor implements GeneratorAdapterFactory.Descriptor |
| { |
| class AdapterFactory extends AbstractGeneratorAdapterFactory |
| { |
| protected GeneratorAdapter adapter; |
| |
| @Override |
| protected Adapter createAdapter(Notifier target) |
| { |
| ResourceSet resourceSet = getGenerator().getOptions().resourceSet; |
| EPackage.Registry packageRegistry = resourceSet != null ? resourceSet.getPackageRegistry() : EPackage.Registry.INSTANCE; |
| EPackage ePackage = packageRegistry.getEPackage(modelPackage); |
| if (ePackage != null) |
| { |
| EClassifier eClassifier = ePackage.getEClassifier(modelClass); |
| if (eClassifier.isInstance(target)) |
| { |
| adapter = (GeneratorAdapter)createInstance(); |
| return (Adapter)createInstance(); |
| } |
| } |
| return null; |
| } |
| |
| @Override |
| protected GeneratorAdapter createAdapter(Object object) |
| { |
| try |
| { |
| if (Class.forName(modelPackage + "." + modelClass).isInstance(object)) |
| { |
| adapter = (GeneratorAdapter)createInstance(); |
| return adapter; |
| } |
| } |
| catch (ClassNotFoundException e) |
| { |
| // Ignore |
| } |
| |
| return null; |
| } |
| |
| @Override |
| public void dispose() |
| { |
| if (adapter != null) adapter.dispose(); |
| } |
| } |
| |
| private String modelPackage; |
| private String modelClass; |
| |
| public GenericDescriptor(String modelPackage, String modelClass, IConfigurationElement element) |
| { |
| super(element, CLASS_ATTRIBUTE); |
| this.modelPackage = modelPackage; |
| this.modelClass = modelClass; |
| } |
| |
| public GeneratorAdapterFactory createAdapterFactory() |
| { |
| return new AdapterFactory(); |
| } |
| } |
| } |
| } |