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package com.jpattern.gwt.client.cache;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;

/**
 * 
 * @author Francesco Cina
 *
 * 26/lug/2011
 */
public class CacheService extends ACacheService {

	private Map cacheMap = new HashMap();
	
	@Override
	public ICache getCache(String cacheName) {
		if (cacheMap.containsKey(cacheName)) {
			return cacheMap.get(cacheName);
		}
		return new NullCache();
	}

	@Override
	public void registerCache(String cacheName, ICache cache) {
		cacheMap.put(cacheName, cache);
	}

	@Override
	public List getCacheNames() {
		List cacheNames = new ArrayList();
		for (Entry entry : cacheMap.entrySet()) {
			cacheNames.add(entry.getKey());
		}
		return cacheNames;
	}

}