1   /**
2    * Copyright (c) 2000-2010 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   *
12   *
13   */
14  
15  package com.liferay.portal.cache.key;
16  
17  import com.liferay.portal.kernel.cache.key.CacheKeyGenerator;
18  import com.liferay.portal.kernel.util.StringBundler;
19  
20  /**
21   * <a href="BaseCacheKeyGenerator.java.html"><b><i>View Source</i></b></a>
22   *
23   * @author Shuyang Zhou
24   */
25  public abstract class BaseCacheKeyGenerator implements CacheKeyGenerator {
26  
27      public CacheKeyGenerator append(String key) {
28          keyBundler.append(key);
29  
30          return this;
31      }
32  
33      public CacheKeyGenerator append(String[] keys) {
34          keyBundler.append(keys);
35  
36          return this;
37      }
38  
39      public CacheKeyGenerator append(StringBundler sb) {
40          keyBundler.append(sb);
41  
42          return this;
43      }
44  
45      public abstract CacheKeyGenerator clone();
46  
47      public String finish() {
48          String cacheKey = getCacheKey(keyBundler);
49  
50          keyBundler.setIndex(0);
51  
52          return cacheKey;
53      }
54  
55      protected StringBundler keyBundler = new StringBundler();
56  
57  }