1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    * Permission is hereby granted, free of charge, to any person obtaining a copy
5    * of this software and associated documentation files (the "Software"), to deal
6    * in the Software without restriction, including without limitation the rights
7    * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8    * copies of the Software, and to permit persons to whom the Software is
9    * furnished to do so, subject to the following conditions:
10   *
11   * The above copyright notice and this permission notice shall be included in
12   * all copies or substantial portions of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.portlet.amazonrankings.util;
24  
25  import com.liferay.portal.kernel.util.StringPool;
26  import com.liferay.portal.kernel.util.Validator;
27  import com.liferay.portal.kernel.webcache.WebCacheItem;
28  import com.liferay.portal.kernel.webcache.WebCachePoolUtil;
29  import com.liferay.portal.util.PropsKeys;
30  import com.liferay.portal.util.PropsUtil;
31  import com.liferay.portlet.amazonrankings.model.AmazonRankings;
32  
33  /**
34   * <a href="AmazonRankingsUtil.java.html"><b><i>View Source</i></b></a>
35   *
36   * @author Brian Wing Shun Chan
37   *
38   */
39  public class AmazonRankingsUtil {
40  
41      public static String getAmazonAccessKeyId() {
42          return PropsUtil.get(PropsKeys.AMAZON_ACCESS_KEY_ID);
43      }
44  
45      public static String getAmazonAssociateTag() {
46          return PropsUtil.get(PropsKeys.AMAZON_ASSOCIATE_TAG);
47      }
48  
49      public static AmazonRankings getAmazonRankings(String isbn) {
50          if (!Validator.isDigit(isbn)) {
51              return null;
52          }
53  
54          WebCacheItem wci = new AmazonRankingsWebCacheItem(isbn);
55  
56          return (AmazonRankings)WebCachePoolUtil.get(
57              AmazonRankingsUtil.class.getName() + StringPool.PERIOD + isbn, wci);
58      }
59  
60  }