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/*****************************************************************************
 * Copyright (c) 2013 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:
 *  Remi Schnekenburger (CEA LIST) - Initial API and implementation
 *
 *****************************************************************************/
package org.eclipse.papyrus.infra.extendedtypes;

import java.util.ArrayList;
import java.util.List;

import org.eclipse.gmf.runtime.emf.type.core.IContainerDescriptor;
import org.eclipse.gmf.runtime.emf.type.core.IElementMatcher;
import org.eclipse.gmf.runtime.emf.type.core.NullElementMatcher;
import org.eclipse.gmf.runtime.emf.type.core.edithelper.IEditHelperAdvice;


/**
 * Factory to create Aspect Semantic Element Types from their {@link AspectSemanticTypeConfiguration}
 */
public class AspectSemanticTypeFactory extends AbstractConfigurableElementTypeFactory<AspectSemanticTypeConfiguration> {

	/**
	 * Default Constructor
	 */
	public AspectSemanticTypeFactory() {
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	protected IEditHelperAdvice createEditHelperAdvice(AspectSemanticTypeConfiguration configuration) {
		List<SemanticActionConfiguration> semanticActionConfigurations = configuration.getActionConfiguration();
		List<IEditHelperAdvice> actionAdvices = new ArrayList<IEditHelperAdvice>(semanticActionConfigurations.size());
		for (SemanticActionConfiguration actionConfiguration : semanticActionConfigurations) {
			IEditHelperAdvice advice = AspectConfigurationFactoryRegistry.getInstance().createEditHelperAdvice(actionConfiguration);
			if (advice != null) {
				actionAdvices.add(advice);
				// } else {
				// Activator.log.error("Impossible to create an advice for :" + actionConfiguration, null);
			}
		}
		if (actionAdvices != null && actionAdvices.size() > 0) {
			return new ComposedEditHelperAdvice(actionAdvices);
		}
		return null;
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	protected IContainerDescriptor createContainerDescriptor(AspectSemanticTypeConfiguration configuration) {
		List<SemanticActionConfiguration> semanticActionConfigurations = configuration.getActionConfiguration();
		List<IContainerDescriptor> containerDescriptors = new ArrayList<IContainerDescriptor>(semanticActionConfigurations.size());
		for (SemanticActionConfiguration actionConfiguration : semanticActionConfigurations) {
			IContainerDescriptor containerDescriptor = AspectConfigurationFactoryRegistry.getInstance().createContainerDescriptor(actionConfiguration);
			if (containerDescriptor != null) {
				containerDescriptors.add(containerDescriptor);
				// } else {
				// Activator.log.error("Impossible to create a container descriptor for :" + actionConfiguration, null);
			}
		}
		if (containerDescriptors != null && containerDescriptors.size() > 0) {
			return new ComposedContainerDescriptor(containerDescriptors);
		}
		return null;
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	public ICreationElementValidator createElementCreationValidator(AspectSemanticTypeConfiguration configuration) {
		List<SemanticActionConfiguration> semanticActionConfigurations = configuration.getActionConfiguration();
		List<ICreationElementValidator> actionValidators = new ArrayList<ICreationElementValidator>(semanticActionConfigurations.size());
		for (SemanticActionConfiguration actionConfiguration : semanticActionConfigurations) {
			ICreationElementValidator validator = AspectConfigurationFactoryRegistry.getInstance().createCreationElementValidator(actionConfiguration);
			if (validator != null) {
				actionValidators.add(validator);
				// } else {
				// Activator.log.error("Impossible to create a creation element validator for :" + actionConfiguration, null);
			}
		}
		if (actionValidators != null && actionValidators.size() > 0) {
			return new ComposedElementCreationValidator(actionValidators);
		}
		return null;
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	protected IElementMatcher createElementMatcher(AspectSemanticTypeConfiguration configuration) {
		// these element types are there only for creation => it can not be match at any time
		return new NullElementMatcher();
	}
}

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