1 /*
2 * Copyright 2001-2004 The Apache Software Foundation
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16 package org.apache.commons.cache.tagext;
17
18 import javax.servlet.jsp.JspTagException;
19 import javax.servlet.jsp.JspException;
20 import javax.servlet.jsp.tagext.TagSupport;
21 import java.io.Serializable;
22
23 /**
24 * tk.
25 * @version $Id: ClearCacheTag.java 155435 2005-02-26 13:17:27Z dirkv $
26 * @author Rodney Waldhoff
27 */
28 public class ClearCacheTag extends TagSupport {
29
30 protected Serializable _key = null;
31 protected Serializable _group = null;
32 protected String _name = null;
33
34 public void setName(String name) {
35 _name = name;
36 }
37
38 public void setKey(String key) {
39 _key = key;
40 }
41
42 // weblogic reflection doesn't work very well
43 /*
44 public void setKey(Serializable key) {
45 _key = key;
46 }
47 */
48 public void setGroup(String group) {
49 _group = group;
50 }
51
52 // weblogic reflection doesn't work very well
53 /*
54 public void setGroup(Serializable group) {
55 _group = group;
56 }
57 */
58 public ClearCacheTag() {
59 _group = null;
60 _key = null;
61 }
62
63 public int doStartTag() {
64 return SKIP_BODY;
65 }
66
67 public int doEndTag() throws JspException {
68 if(null != _key) {
69 CacheTag.getCache(_name).clear(_key);
70 } else if(null != _group) {
71 CacheTag.getCache(_name).clearGroup(_group);
72 } else {
73 CacheTag.getCache(_name).clear();
74 }
75 return EVAL_PAGE;
76 }
77
78 public void release() {
79 _group = null;
80 _key = null;
81 _name = null;
82 }
83 }