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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.uml.profile.externalresource.helper;
import java.util.HashMap;
import java.util.Map;
/**
* Registry for all {@link IStereotypeApplicationLocationStrategy}.
*/
public class StrategyRegistry {
/** singleton instance */
private static StrategyRegistry instance;
/** map identifier - strategies */
private Map<String, IStereotypeApplicationLocationStrategy> registry;
/**
* Returns the singleton instance for this strategy
*
* @return the singleton instance for this strategy
*/
public static StrategyRegistry getInstance() {
if(instance == null) {
instance = new StrategyRegistry();
instance.init();
}
return instance;
}
/**
* Initialize the strategy registry, reading extension points.
*/
protected void init() {
// TODO: read extension points.
registry = new HashMap<String, IStereotypeApplicationLocationStrategy>();
registry.put(StandardApplicationLocationStrategy.ID, StandardApplicationLocationStrategy.getInstance());
registry.put(OneResourceOnlyStrategy.ID, OneResourceOnlyStrategy.getInstance());
registry.put(ResourcePerProfileStrategy.ID, ResourcePerProfileStrategy.getInstance());
}
/**
* Returns the strategy for the given identifier
* @param identifier identifier of the strategy
* @return the strategy found or <code>null</code> if none was found
*/
public IStereotypeApplicationLocationStrategy getStrategy(String identifier) {
return registry.get(identifier);
}
}
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