bdelacretaz 2003/05/01 06:00:23
Modified: src/webapp/samples/xsp/xsp cacheable.xsp
Log:
cache validity time set from request parameter
Revision Changes Path
1.3 +21 -11 cocoon-2.1/src/webapp/samples/xsp/xsp/cacheable.xsp
Index: cacheable.xsp
===================================================================
RCS file: /home/cvs/cocoon-2.1/src/webapp/samples/xsp/xsp/cacheable.xsp,v
retrieving revision 1.2
retrieving revision 1.3
diff -u -r1.2 -r1.3
--- cacheable.xsp 1 May 2003 10:08:20 -0000 1.2
+++ cacheable.xsp 1 May 2003 13:00:22 -0000 1.3
@@ -14,12 +14,20 @@
</xsp:structure>
<xsp:logic>
- // how long to keep the contents of this page in cache
- final int VALIDITY_SECS = 15;
// artificial slowdown to make the effects of the cache visible
final int DELAY_SECS = 2;
+ private int getValidityFromRequest() {
+ int result = 15;
+ try {
+ result =
Integer.valueOf(request.getParameter("validity")).intValue();
+ } catch(Exception e) {
+ // keep default value
+ }
+ return result;
+ }
+
/**
* Generate the unique key for the cache.
*
@@ -50,9 +58,9 @@
* component is currently not cacheable.
*/
public SourceValidity getValidity() {
- // keep in cache for VALIDITY_SECS
+ // keep in cache for our validity time
return CacheValidityToSourceValidity.createValidity(
- new DeltaTimeCacheValidity(0, VALIDITY_SECS));
+ new DeltaTimeCacheValidity(0, getValidityFromRequest()));
}
</xsp:logic>
@@ -82,7 +90,8 @@
<para>
All other request parameters do not influence cache status, but
- my validity will expire after <xsp:expr>VALIDITY_SECS</xsp:expr>
seconds (see source).
+ my validity will expire after
<xsp:expr>getValidityFromRequest()</xsp:expr> seconds
+ (set by 'validity' URL parameter when page is generated).
</para>
<para>
@@ -104,12 +113,13 @@
<para>Test links:
<ul>
- <li><a target="_new" href="cacheable?pageKey=one">test with
pageKey=one</a></li>
- <li><a target="_new" href="cacheable?pageKey=two">test with
pageKey=two</a></li>
- <li><a target="_new"
href="cacheable?pageKey=three&other=abc">test with pageKey=three,
other=abc</a></li>
- <li><a target="_new"
href="cacheable?pageKey=three&other=xyz">test with pageKey=three,
other=xyz</a></li>
+ <li><a target="_new"
href="cacheable?pageKey=one">pageKey=one</a></li>
+ <li><a target="_new"
href="cacheable?pageKey=two">pageKey=two</a></li>
+ <li><a target="_new"
href="cacheable?pageKey=three&other=abc">pageKey=three, other=abc</a></li>
+ <li><a target="_new"
href="cacheable?pageKey=three&other=xyz">pageKey=three, other=xyz</a></li>
+ <li><a target="_new"
href="cacheable?pageKey=three&other=wow&validity=5">pageKey=three,
other=wow and 5 seconds of cache validity</a></li>
</ul>
</para>
</content>
</page>
-</xsp:page>
+</xsp:page>
\ No newline at end of file
