1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    * The contents of this file are subject to the terms of the Liferay Enterprise
5    * Subscription License ("License"). You may not use this file except in
6    * compliance with the License. You can obtain a copy of the License by
7    * contacting Liferay, Inc. See the License for the specific language governing
8    * permissions and limitations under the License, including but not limited to
9    * distribution rights of the Software.
10   *
11   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
12   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
13   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
14   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
15   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
16   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
17   * SOFTWARE.
18   */
19  
20  package com.liferay.portlet.amazonrankings.util;
21  
22  import com.liferay.portal.kernel.util.StringPool;
23  import com.liferay.portal.kernel.util.Validator;
24  import com.liferay.portal.kernel.webcache.WebCacheItem;
25  import com.liferay.portal.kernel.webcache.WebCachePoolUtil;
26  import com.liferay.portal.util.PropsKeys;
27  import com.liferay.portal.util.PropsUtil;
28  import com.liferay.portlet.amazonrankings.model.AmazonRankings;
29  
30  /**
31   * <a href="AmazonRankingsUtil.java.html"><b><i>View Source</i></b></a>
32   *
33   * @author Brian Wing Shun Chan
34   *
35   */
36  public class AmazonRankingsUtil {
37  
38      public static String getAmazonAccessKeyId() {
39          return PropsUtil.get(PropsKeys.AMAZON_ACCESS_KEY_ID);
40      }
41  
42      public static String getAmazonAssociateTag() {
43          return PropsUtil.get(PropsKeys.AMAZON_ASSOCIATE_TAG);
44      }
45  
46      public static AmazonRankings getAmazonRankings(String isbn) {
47          if (!Validator.isDigit(isbn)) {
48              return null;
49          }
50  
51          WebCacheItem wci = new AmazonRankingsWebCacheItem(isbn);
52  
53          return (AmazonRankings)WebCachePoolUtil.get(
54              AmazonRankingsUtil.class.getName() + StringPool.PERIOD + isbn, wci);
55      }
56  
57  }