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Posted to bridges-dev@portals.apache.org by Shinsuke SUGAYA <sh...@yahoo.co.jp> on 2005/10/18 01:31:38 UTC
Portlet Filter
Hi all,
I have proposed the portlet filter to Jetspeed2.
But I would like to move it to portal-bridges.
Because this portlet filter does not depends on
Jetspeed(or other portals) and the primary reason
is I would like to use it on MyFaces Tomahark until
the next portlet spec defines it. Currently I'm
working on MYFACES-434 with Stan Silvert, and we
want to use it as an independent stuff from portal.
So, I'm thinking that portal-bridges is the right
place. If you have any idea, please let me know.
http://issues.apache.org/jira/browse/MYFACES-434
Any comments/suggestions are highly appreciated.
Regards,
shinsuke
-------- Original Message --------
Subject: [jira] Created: (JS2-380) Implements Portlet Filter
Date: Sat, 15 Oct 2005 00:56:45 +0200 (CEST)
From: Shinsuke SUGAYA (JIRA) <je...@portals.apache.org>
Reply-To: Jetspeed Developers List <je...@portals.apache.org>
To: jetspeed-dev@jakarta.apache.org
Implements Portlet Filter
-------------------------
Key: JS2-380
URL: http://issues.apache.org/jira/browse/JS2-380
Project: Jetspeed 2
Type: New Feature
Components: Demo Portlets
Versions: 2.0-dev/cvs
Environment: J2SE 1.4
Reporter: Shinsuke SUGAYA
Assigned to: Shinsuke SUGAYA
Fix For: 2.0-dev/cvs
FilterPortlet
=============
Overview
---------
FilterPortlet enables you to add processes you want before and after accessing the target portlet.
The feature provided by FilterPortlet is like Servlet Filter. (Portlet Filter may be included in
future Portlet Spec, but currently it's not included yet.)
I have already implemented it to fix MyFaces dependency issue(please see http://issues.apache.org/jira/browse/MYFACES-434).
Generalizing it, I put them to:
http://cvs.sourceforge.jp/cgi-bin/viewcvs.cgi/jetplume/jetplume/bridges/portlet-filter/
Class&Interface
---------------
- FilterPortlet class
FilterPortlet wraps the target portlet.
- PortletFilter interface
The process you want to add is implemented this interface.
- PortletFilterChain class
This class is an object provided to the developer giving a view
into the invocation chain of a filtered request for a resource.
- PortletFilterConfig class
A filter configuration object used by FilterPortlet to pass
information to a filter during initialization.
If you have used Servlet Filter, I think it's easy to use FilterPortlet :)
Example
-------
For example, if you create "HelloWorldPortletFilter" as the portlet filter, portlet.xml is:
<portlet-app id="helloworld" version="1.0">
<portlet id="FilteredHelloWorld">
<portlet-name>FilteredHelloWorld</portlet-name>
<display-name>Filtered Hello World</display-name>
<description>HelloWorld is a filtered portlet for testing</description>
<portlet-class>jp.sf.jetplume.portlets.filter.FilterPortlet</portlet-class>
<init-param>
<name>portlet-class</name>
<value>jp.sf.jetplume.portlets.helloworld.HelloWorldPortlet</value>
</init-param>
<init-param>
<name>portlet-filters</name>
<value>jp.sf.jetplume.portlets.helloworld.filter.HelloWorldPortletFilter</value>
</init-param>
<expiration-cache>-1</expiration-cache>
<supports>
<mime-type>text/html</mime-type>
<portlet-mode>VIEW</portlet-mode>
</supports>
<supported-locale>en</supported-locale>
<supported-locale>ja</supported-locale>
<resource-bundle>jp.sf.jetplume.portlets.helloworld.resources.HelloWorldResources</resource-bundle>
<portlet-info>
<title>Filtered Hello World</title>
<short-title>This is a filtered portlet for testing</short-title>
<keywords>Hello,Test,PortletFilter</keywords>
</portlet-info>
</portlet>
</portlet-app>
Sample Files:
http://cvs.sourceforge.jp/cgi-bin/viewcvs.cgi/jetplume/jetplume/portlets/helloworld/src/webapp/WEB-INF/portlet.xml?rev=1.2&content-type=text/vnd.viewcvs-markup
http://cvs.sourceforge.jp/cgi-bin/viewcvs.cgi/jetplume/jetplume/portlets/helloworld/src/java/jp/sf/jetplume/portlets/helloworld/filter/HelloWorldPortletFilter.java?rev=1.1&content-type=text/vnd.viewcvs-markup
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