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/*****************************************************************************
* Copyright (c) 2012 CEA LIST.
*
* 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:
* Camille Letavernier (CEA LIST) camille.letavernier@cea.fr - Initial API and implementation
*****************************************************************************/
package org.eclipse.papyrus.toolsmiths.factory;
import java.util.Collection;
import java.util.HashMap;
import java.util.Map;
import org.eclipse.core.runtime.IConfigurationElement;
import org.eclipse.core.runtime.Platform;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.papyrus.toolsmiths.Activator;
import org.eclipse.papyrus.toolsmiths.model.customizationplugin.CustomizationPluginPackage;
public class ExtensionFactoryRegistry {
public static final String EXTENSION_ID = Activator.PLUGIN_ID + ".factory";
public static ExtensionFactoryRegistry instance = new ExtensionFactoryRegistry();
private final Map<EClass, ExtensionFactory> factories;
private ExtensionFactoryRegistry() {
factories = new HashMap<EClass, ExtensionFactory>();
loadExtensionFactories();
}
private void loadExtensionFactories() {
IConfigurationElement[] config = Platform.getExtensionRegistry().getConfigurationElementsFor(EXTENSION_ID);
for (IConfigurationElement e : config) {
ExtensionFactory factory;
try {
factory = (ExtensionFactory) e.createExecutableExtension("factory"); //$NON-NLS-1$
if (!CustomizationPluginPackage.eINSTANCE.getCustomizableElement().isSuperTypeOf(factory.getCustomizableElementClass())) {
Activator.log.warn(String.format("The plugin %s contributed an invalid factory (%s).\nThe associated EClass must implement CustomizableElement", e.getContributor().getName(), e.getAttribute("factory")));
continue;
}
factories.put(factory.getCustomizableElementClass(), factory);
} catch (Exception ex) {
Activator.log.warn(String.format("The plugin %s contributed an invalid factory (%s)", e.getContributor().getName(), e.getAttribute("factory")));
Activator.log.error(ex);
}
}
}
public ExtensionFactory getFactory(EClass type) {
return factories.get(type);
}
public void registerFactory(EClass forType, ExtensionFactory factory) {
factories.put(forType, factory);
}
public Collection<? extends ExtensionFactory> getFactories() {
return factories.values();
}
}
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