001    /**
002     * Copyright (c) 2000-2010 Liferay, Inc. All rights reserved.
003     *
004     * The contents of this file are subject to the terms of the Liferay Enterprise
005     * Subscription License ("License"). You may not use this file except in
006     * compliance with the License. You can obtain a copy of the License by
007     * contacting Liferay, Inc. See the License for the specific language governing
008     * permissions and limitations under the License, including but not limited to
009     * distribution rights of the Software.
010     *
011     *
012     *
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            public Object convert(String key) throws WebCacheException {
032                    String url = _url;
033    
034                    String content = null;
035    
036                    try {
037                            content = HttpUtil.URLtoString(_url);
038                    }
039                    catch (Exception e) {
040                            throw new WebCacheException(url + " " + e.toString());
041                    }
042    
043                    return content;
044            }
045    
046            public long getRefreshTime() {
047                    return _refreshTime;
048            }
049    
050            private String _url;
051            private long _refreshTime;
052    
053    }