[jboss-dev-forums] [Design of JBoss Portal] - how to change Portlet Preferences

[lampard]

Hello 
I create a portlet with a preference in portlet.xml, and deploy it successfully on JBoss Portlet Container.  
The xml for this porlet is following:


	<portlet>
  | 		<description>PreferencesPortlet</description>
  | 		<portlet-name>PreferencesPortlet</portlet-name>
  | 		<display-name>PreferencesPortlet</display-name>
  | 		<portlet-class>it.portlet.PreferencesPortlet</portlet-class>
  | 		<expiration-cache>0</expiration-cache>
  | 		<supports>
  | 			<mime-type>text/html</mime-type>
  | 			<portlet-mode>VIEW</portlet-mode>
  | 			<portlet-mode>EDIT</portlet-mode>
  | 		</supports>
  | 		<portlet-preferences>
  | 			<preference>
  | 				<name>userName</name>
  | 				<value>Mark</value>
  | 				<read-only>false</read-only>
  | 			</preference>
  | 			<preferences-validator>it.validator.UserNameValidator</preferences-validator>
  | 		</portlet-preferences>
  | 		<portlet-info>
  | 			<title>Portlet Preferences</title>
  | 			<short-title>PreferencesPortlet</short-title>
  | 		</portlet-info>
  | 	</portlet>
  | 

It works fine but  when i change the value of preference value in xml it does not reflect it, I try to modify the preference in runtime but when i read the value of the preference in runtime it always show old value. I know that i can edit this value using protlet api, using setValue() method and store() method, but I want know why this doesn't work in my portlet.


Thanks in advance 




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