001    /**
002     * Copyright (c) 2000-2010 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.util.bridges.jsf.sun;
016    
017    import java.util.AbstractMap;
018    import java.util.Set;
019    
020    import javax.servlet.ServletContext;
021    
022    /**
023     * @author Neil Griffin
024     */
025    public class LiferayApplicationMap extends AbstractMap<String, Object> {
026    
027            public LiferayApplicationMap(ServletContext servletContext) {
028                    _servletContext = servletContext;
029            }
030    
031            public Set<Entry<String, Object>> entrySet() {
032                    throw new UnsupportedOperationException();
033            }
034    
035            public Object get(Object key) {
036                    return _servletContext.getAttribute(key.toString());
037            }
038    
039            public Object put(String key, Object value) {
040                    Object previousValue = get(key);
041    
042                    _servletContext.setAttribute(key.toString(), value);
043    
044                    return previousValue;
045            }
046    
047            public Object remove(Object key) {
048                    Object value = null;
049    
050                    if (key != null) {
051                            value = get(key);
052    
053                            _servletContext.removeAttribute(key.toString());
054                    }
055    
056                    return value;
057            }
058    
059            private ServletContext _servletContext;
060    
061    }