MemoryCacheSourceLoader.java

/*
 * This file is part of Flicklib.
 *
 * Copyright (C) Zsombor Gegesy
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */package com.flicklib.service.cache;

import java.util.WeakHashMap;

import com.flicklib.service.Source;
import com.flicklib.service.SourceLoader;

/**
 * Simple WeakHashMap based source loader.
 * 
 * @author zsombor
 *
 */
public class MemoryCacheSourceLoader extends HttpCacheSourceLoader {

	private final WeakHashMap<String, Source> cache = new WeakHashMap<String, Source>();

	public MemoryCacheSourceLoader(SourceLoader resolver) {
		super(resolver);
	}

	@Override
	protected Source getFromCache(String url) {
		return cache.get(url);
	}

	@Override
	protected void put(String url, Source source) {
		cache.put(url, source);
	}
	
    @Override
    public RestBuilder url(String url) {
    	throw new UnsupportedOperationException("not implemented");
    }

}