001    /**
002     * Copyright (c) 2000-2011 Liferay, Inc. All rights reserved.
003     *
004     * This library is free software; you can redistribute it and/or modify it under
005     * the terms of the GNU Lesser General Public License as published by the Free
006     * Software Foundation; either version 2.1 of the License, or (at your option)
007     * any later version.
008     *
009     * This library is distributed in the hope that it will be useful, but WITHOUT
010     * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
011     * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
012     * details.
013     */
014    
015    package com.liferay.portal.velocity;
016    
017    import java.util.Iterator;
018    
019    import org.apache.velocity.runtime.RuntimeServices;
020    import org.apache.velocity.runtime.resource.Resource;
021    import org.apache.velocity.runtime.resource.ResourceCache;
022    
023    /**
024     * @author Brian Wing Shun Chan
025     */
026    public class LiferayResourceCache implements ResourceCache {
027    
028            public Iterator<Object> enumerateKeys() {
029                    throw new RuntimeException("enumerateKeys is not implemented");
030            }
031    
032            public Resource get(Object key) {
033                    return LiferayResourceCacheUtil.get(key.toString());
034            }
035    
036            public void initialize(RuntimeServices rs) {
037            }
038    
039            public Resource put(Object key, Resource resource) {
040                    LiferayResourceCacheUtil.put(key.toString(), resource);
041    
042                    return resource;
043            }
044    
045            public Resource remove(Object key) {
046                    Resource resource = get(key);
047    
048                    if (resource != null) {
049                            LiferayResourceCacheUtil.remove(key.toString());
050                    }
051    
052                    return resource;
053            }
054    
055    }