1   /**
2    * Copyright (c) 2000-2010 Liferay, Inc. All rights reserved.
3    *
4    * This library is free software; you can redistribute it and/or modify it under
5    * the terms of the GNU Lesser General Public License as published by the Free
6    * Software Foundation; either version 2.1 of the License, or (at your option)
7    * any later version.
8    *
9    * This library is distributed in the hope that it will be useful, but WITHOUT
10   * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
11   * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
12   * details.
13   */
14  
15  package com.liferay.portlet.amazonrankings.util;
16  
17  import com.liferay.portal.kernel.util.PropsKeys;
18  import com.liferay.portal.kernel.util.StringPool;
19  import com.liferay.portal.kernel.util.Validator;
20  import com.liferay.portal.kernel.webcache.WebCacheItem;
21  import com.liferay.portal.kernel.webcache.WebCachePoolUtil;
22  import com.liferay.portal.util.PropsUtil;
23  import com.liferay.portlet.amazonrankings.model.AmazonRankings;
24  
25  /**
26   * <a href="AmazonRankingsUtil.java.html"><b><i>View Source</i></b></a>
27   *
28   * @author Brian Wing Shun Chan
29   */
30  public class AmazonRankingsUtil {
31  
32      public static String getAmazonAccessKeyId() {
33          return PropsUtil.get(PropsKeys.AMAZON_ACCESS_KEY_ID);
34      }
35  
36      public static String getAmazonAssociateTag() {
37          return PropsUtil.get(PropsKeys.AMAZON_ASSOCIATE_TAG);
38      }
39  
40      public static AmazonRankings getAmazonRankings(String isbn) {
41          if (!Validator.isDigit(isbn)) {
42              return null;
43          }
44  
45          WebCacheItem wci = new AmazonRankingsWebCacheItem(isbn);
46  
47          return (AmazonRankings)WebCachePoolUtil.get(
48              AmazonRankingsUtil.class.getName() + StringPool.PERIOD + isbn, wci);
49      }
50  
51  }