PORTLET PREFERENCE EXAMPLE

Portlet preferences:

<portlet>

    <portlet-name>my-portlet</portlet-name>

    <portlet-class>

        com.example.MyPortlet

    </portlet-class>

    <portlet-preferences>

        <preference>

            <name>my-first-pref</name>

            <value>some default value</value>

        </preference>

    </portlet-preferences>

</portlet>

To get the values:

<%@page import="javax.portlet.PortletPreferences"%>

<%@page import="javax.portlet.PortletRequest"%>

<%@page import="com.liferay.portal.util.PortalUtil"%>

<%@page import="javax.portlet.PortletContext"%>

<%@page import="javax.portlet.ActionRequest"%>

<%

 PortletPreferences pref =PortalUtil.getPreferences(request);

  String first=pref.getValue("my-first-pref ","");

%>

The preference i set was: <%=first%>

To set the values:

PortletPreferences pref=actionRequest.getPreferences();

pre.setValue("prefer", "hello preference");

pref.store();