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/**
* Copyright (c) 2011 Mia-Software.
*
* 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:
* Nicolas Guyomar (Mia-Software) - Bug 333553 - The user has not to deal with two files to create a facet
* Emmanuelle Rouillé (Mia-Software) - Bug 352618 - To be able to use non derived facet structural features and save them values.
* Nicolas Bros (Mia-Software) - Bug 361612 - New core for new version of the Facet metamodel
* Gregoire Dupe (Mia-Software) - Bug 362087 - [Deprecated] org.eclipse.papyrus.emf.facet.util.emf.core.ICatalogSetManager
* Nicolas Bros (Mia-Software) - Bug 362191 - [Restructuring] Query mechanism for eFacet2
* Gregoire Dupe (Mia-Software) - Bug 369987 - [Restructuring][Table] Switch to the new customization and facet framework
*/
package org.eclipse.papyrus.emf.facet.efacet.core.internal.query;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.core.runtime.CoreException;
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.emf.ecore.resource.Resource;
import org.eclipse.papyrus.emf.facet.efacet.core.IDerivedTypedElementManager;
import org.eclipse.papyrus.emf.facet.efacet.core.exception.DerivedTypedElementException;
import org.eclipse.papyrus.emf.facet.efacet.core.internal.Activator;
import org.eclipse.papyrus.emf.facet.efacet.core.query.IDerivedTypedElementImplementation;
import org.eclipse.papyrus.emf.facet.efacet.core.query.IDerivedTypedElementImplementationFactory;
import org.eclipse.papyrus.emf.facet.efacet.metamodel.v0_2_0.efacet.extensible.Query;
import org.eclipse.papyrus.emf.facet.util.core.Logger;
import org.eclipse.papyrus.emf.facet.util.emf.core.ICatalogSetManagerFactory;
import org.osgi.framework.Bundle;
/** @deprecated replaced by {@link QueryImplementationFactoryRegistry}. No tracking bug because this API has not been released yet. */
@Deprecated
public class DerivedTypedElementImplementationFactoryRegistry {
private static final String DERIVED_TYPED_ELEMENT_IMPLEMENTATION_REGISTRATION_ID = "org.eclipse.papyrus.emf.facet.efacet.core.derivedTypedElementImplementationRegistration"; //$NON-NLS-1$
private static final String CLASS = "class"; //$NON-NLS-1$
public static final DerivedTypedElementImplementationFactoryRegistry INSTANCE = new DerivedTypedElementImplementationFactoryRegistry();
private final List<IDerivedTypedElementImplementationFactory> derivedTypedElementImplementationFactories = new ArrayList<IDerivedTypedElementImplementationFactory>();
public DerivedTypedElementImplementationFactoryRegistry() {
initRegisteredEntries();
}
private void initRegisteredEntries() {
IExtensionRegistry registry = Platform.getExtensionRegistry();
IExtensionPoint extPoint = registry
.getExtensionPoint(DerivedTypedElementImplementationFactoryRegistry.DERIVED_TYPED_ELEMENT_IMPLEMENTATION_REGISTRATION_ID);
if (extPoint != null) {
for (IExtension ext : extPoint.getExtensions()) {
for (IConfigurationElement configElt : ext.getConfigurationElements()) {
IDerivedTypedElementImplementationFactory derivedTypedElementImplementationFactory;
try {
derivedTypedElementImplementationFactory = (IDerivedTypedElementImplementationFactory) configElt
.createExecutableExtension(DerivedTypedElementImplementationFactoryRegistry.CLASS);
this.derivedTypedElementImplementationFactories.add(derivedTypedElementImplementationFactory);
} catch (CoreException e) {
Logger.logError(e, Activator.getDefault());
}
}
}
}
}
/**
* Returns the derived typed element evaluator that handles the given type of query
*
* @param query
* the type of query for which an {@link IDerivedTypedElementImplementation} is searched
* @param derivedTEManager
* @return the {@link IDerivedTypedElementImplementation}
* @throws DerivedTypedElementException
* if no factory implementation was registered for the type of the given query
*/
public IDerivedTypedElementImplementation getEvaluatorFor(final Query query, final IDerivedTypedElementManager derivedTEManager)
throws DerivedTypedElementException {
if (query == null) {
throw new IllegalArgumentException("query cannot be null"); //$NON-NLS-1$
}
IDerivedTypedElementImplementation derivedTypedElementImplementation = null;
boolean factoryFound = false;
for (IDerivedTypedElementImplementationFactory derivedTypedElementImplementationFactory : this.derivedTypedElementImplementationFactories) {
factoryFound = derivedTypedElementImplementationFactory.getManagedQueryType() == query.eClass();
if (factoryFound) {
Resource queryResource = query.eResource();
Bundle bundle;
if (queryResource != null) {
bundle = ICatalogSetManagerFactory.DEFAULT.createICatalogSetManager(query.eResource().getResourceSet()).getBundleByResource(queryResource);
} else {
bundle = null;
}
derivedTypedElementImplementation = derivedTypedElementImplementationFactory.create(query, bundle, derivedTEManager);
break;
}
}
if (!factoryFound) {
StringBuffer sb = new StringBuffer();
sb.append("No factory implementation found for "); //$NON-NLS-1$
sb.append(QueryUtils.getQueryDescription(query));
sb.append(".\nA factory should be registered through the " + DerivedTypedElementImplementationFactoryRegistry.DERIVED_TYPED_ELEMENT_IMPLEMENTATION_REGISTRATION_ID + " extension point."); //$NON-NLS-1$ //$NON-NLS-2$
sb.append("\nAvailable Query types are: "); //$NON-NLS-1$
for (int i = 0; i < this.derivedTypedElementImplementationFactories.size(); i++) {
if (i > 0) {
sb.append(", "); //$NON-NLS-1$
}
IDerivedTypedElementImplementationFactory queryEvaluatorFactory = this.derivedTypedElementImplementationFactories.get(i);
sb.append(queryEvaluatorFactory.getManagedQueryType().getName());
}
throw new DerivedTypedElementException(sb.toString());
}
return derivedTypedElementImplementation;
}
}
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