001    /**
002     * Copyright (c) 2000-2013 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.taglib.util;
016    
017    import com.liferay.portal.kernel.util.HttpUtil;
018    import com.liferay.portal.kernel.webcache.WebCacheException;
019    import com.liferay.portal.kernel.webcache.WebCacheItem;
020    
021    /**
022     * @author Brian Wing Shun Chan
023     */
024    public class GetUrlWebCacheItem implements WebCacheItem {
025    
026            public GetUrlWebCacheItem(String url, long refreshTime) {
027                    _url = url;
028                    _refreshTime = refreshTime;
029            }
030    
031            @Override
032            public Object convert(String key) throws WebCacheException {
033                    String url = _url;
034    
035                    String content = null;
036    
037                    try {
038                            content = HttpUtil.URLtoString(_url);
039                    }
040                    catch (Exception e) {
041                            throw new WebCacheException(url + " " + e.toString());
042                    }
043    
044                    return content;
045            }
046    
047            @Override
048            public long getRefreshTime() {
049                    return _refreshTime;
050            }
051    
052            private long _refreshTime;
053            private String _url;
054    
055    }