1 |
| |
2 |
| |
3 |
| |
4 |
| |
5 |
| package com.opensymphony.oscache.web.tag; |
6 |
| |
7 |
| import com.opensymphony.oscache.base.Cache; |
8 |
| import com.opensymphony.oscache.web.ServletCacheAdministrator; |
9 |
| |
10 |
| import javax.servlet.http.HttpServletRequest; |
11 |
| import javax.servlet.jsp.JspTagException; |
12 |
| import javax.servlet.jsp.PageContext; |
13 |
| import javax.servlet.jsp.tagext.TagSupport; |
14 |
| |
15 |
| |
16 |
| |
17 |
| |
18 |
| |
19 |
| |
20 |
| |
21 |
| |
22 |
| |
23 |
| |
24 |
| |
25 |
| |
26 |
| |
27 |
| |
28 |
| |
29 |
| |
30 |
| |
31 |
| |
32 |
| |
33 |
| |
34 |
| |
35 |
| |
36 |
| |
37 |
| |
38 |
| |
39 |
| |
40 |
| |
41 |
| |
42 |
| |
43 |
| |
44 |
| public class FlushTag extends TagSupport { |
45 |
| ServletCacheAdministrator admin = null; |
46 |
| |
47 |
| |
48 |
| |
49 |
| |
50 |
| |
51 |
| String group = null; |
52 |
| |
53 |
| |
54 |
| |
55 |
| |
56 |
| String key = null; |
57 |
| |
58 |
| |
59 |
| |
60 |
| |
61 |
| String pattern = null; |
62 |
| String scope = null; |
63 |
| int cacheScope = -1; |
64 |
| |
65 |
| |
66 |
| |
67 |
| |
68 |
| private String language = null; |
69 |
| |
70 |
| |
71 |
| |
72 |
| |
73 |
| |
74 |
| |
75 |
| |
76 |
0
| public void setGroup(String group) {
|
77 |
0
| this.group = group;
|
78 |
| } |
79 |
| |
80 |
| |
81 |
| |
82 |
| |
83 |
| |
84 |
| |
85 |
| |
86 |
0
| public void setKey(String value) {
|
87 |
0
| this.key = value;
|
88 |
| } |
89 |
| |
90 |
| |
91 |
| |
92 |
| |
93 |
| |
94 |
| |
95 |
0
| public void setLanguage(String value) {
|
96 |
0
| this.language = value;
|
97 |
| } |
98 |
| |
99 |
| |
100 |
| |
101 |
| |
102 |
| |
103 |
| |
104 |
0
| public void setPattern(String value) {
|
105 |
0
| this.pattern = value;
|
106 |
| } |
107 |
| |
108 |
| |
109 |
| |
110 |
| |
111 |
| |
112 |
| |
113 |
0
| public void setScope(String value) {
|
114 |
0
| if (value != null) {
|
115 |
0
| if (value.equalsIgnoreCase(ServletCacheAdministrator.SESSION_SCOPE_NAME)) {
|
116 |
0
| cacheScope = PageContext.SESSION_SCOPE;
|
117 |
0
| } else if (value.equalsIgnoreCase(ServletCacheAdministrator.APPLICATION_SCOPE_NAME)) {
|
118 |
0
| cacheScope = PageContext.APPLICATION_SCOPE;
|
119 |
| } |
120 |
| } |
121 |
| } |
122 |
| |
123 |
| |
124 |
| |
125 |
| |
126 |
| |
127 |
| |
128 |
| |
129 |
0
| public int doStartTag() throws JspTagException {
|
130 |
0
| if (admin == null) {
|
131 |
0
| admin = ServletCacheAdministrator.getInstance(pageContext.getServletContext());
|
132 |
| } |
133 |
| |
134 |
0
| if (group != null)
|
135 |
| { |
136 |
0
| if (cacheScope >= 0) {
|
137 |
0
| Cache cache = admin.getCache((HttpServletRequest) pageContext.getRequest(), cacheScope);
|
138 |
0
| cache.flushGroup(group);
|
139 |
| } else { |
140 |
0
| throw new JspTagException("A cache group was specified for flushing, but the scope wasn't supplied or was invalid");
|
141 |
| } |
142 |
0
| } else if (pattern != null)
|
143 |
| { |
144 |
0
| if (cacheScope >= 0) {
|
145 |
0
| Cache cache = admin.getCache((HttpServletRequest) pageContext.getRequest(), cacheScope);
|
146 |
0
| cache.flushPattern(pattern);
|
147 |
| } else { |
148 |
0
| throw new JspTagException("A pattern was specified for flushing, but the scope wasn't supplied or was invalid");
|
149 |
| } |
150 |
0
| } else if (key == null)
|
151 |
| { |
152 |
0
| if (cacheScope >= 0) {
|
153 |
0
| admin.setFlushTime(cacheScope);
|
154 |
| } else { |
155 |
0
| admin.flushAll();
|
156 |
| } |
157 |
| } else |
158 |
| { |
159 |
0
| if (cacheScope >= 0) {
|
160 |
0
| String actualKey = admin.generateEntryKey(key, (HttpServletRequest) pageContext.getRequest(), cacheScope, language);
|
161 |
| |
162 |
0
| Cache cache = admin.getCache((HttpServletRequest) pageContext.getRequest(), cacheScope);
|
163 |
0
| cache.flushEntry(actualKey);
|
164 |
| } else { |
165 |
0
| throw new JspTagException("A cache key was specified for flushing, but the scope wasn't supplied or was invalid");
|
166 |
| } |
167 |
| } |
168 |
| |
169 |
0
| return SKIP_BODY;
|
170 |
| } |
171 |
| } |