Liferay Configuration Page

======================   ConfigurationActionImpl implements   ===========================

package com.liferay.config;

import com.liferay.portal.kernel.portlet.ConfigurationAction;

import com.liferay.portal.kernel.servlet.SessionMessages;

import com.liferay.portal.kernel.util.Constants;

import com.liferay.portal.kernel.util.ParamUtil;

import com.liferay.portlet.PortletPreferencesFactoryUtil;

import javax.portlet.ActionRequest;

import javax.portlet.ActionResponse;

import javax.portlet.PortletConfig;

import javax.portlet.PortletPreferences;

import javax.portlet.PortletSession;

import javax.portlet.RenderRequest;

import javax.portlet.RenderResponse;

public class ConfigurationActionImpl implements ConfigurationAction {

               

                public void processAction(PortletConfig portletConfig,

                                                ActionRequest actionRequest, ActionResponse actionResponse)

                                                throws Exception {

                                String cmd = ParamUtil.getString(actionRequest, Constants.CMD);

                                if (!cmd.equals(Constants.UPDATE)) {

                                                return;

                                }

                                String email = ParamUtil.getString(actionRequest, "email");

                                String subject = ParamUtil.getString(actionRequest, "subject");

                                String portletResource = ParamUtil.getString(actionRequest,"portletResource");

                                PortletPreferences preferences = PortletPreferencesFactoryUtil.getPortletSetup(actionRequest, portletResource);

                                preferences.setValue("email", email);

                                preferences.setValue("subject", subject);

                                preferences.store();

                                PortletSession portletSession = actionRequest.getPortletSession();

                                SessionMessages.add(actionRequest, portletConfig.getPortletName()+ ".doConfigure");

                }

                public String render(PortletConfig portletConfig,

                                                RenderRequest renderRequest, RenderResponse renderResponse)

                                                throws Exception {

                                return "/html/config.jsp";

                }

}

=================== ============================================================

 package com.vidyayug;

import com.liferay.util.bridges.mvc.MVCPortlet;

/**

 * Portlet implementation class LiferayConfigurationPortlet

 */

public class LiferayConfigurationPortlet extends MVCPortlet {

}

====================config.jsp====================

<%@include file="/html/init.jsp" %>

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

<form action="<liferay-portlet:actionURL portletConfiguration="true" />"

method="post" name="<portlet:namespace />fm">

<input name="<portlet:namespace /><%= Constants.CMD %>" type="hidden" value="<%= Constants.UPDATE %>" />

<table class="lfr-table">

<tr>

      <td>Email</td>

            <td><input type="text" name="<portlet:namespace />email"  value="<%=email %>"/>

      </td>

      <td>Subject</td>

            <td><input type="text" name="<portlet:namespace />subject"  value="<%=subject %>" />

      </td>

</tr>

<tr>

       <td colspan="2">

            <input type="button" value="<liferay-ui:message key="save" />"

onClick="submitForm(document.<portlet:namespace />fm);" />

       </td>

</tr>

</table>

</form>

================== init.jsp =============================

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

<%@ taglib uri="http://java.sun.com/portlet" prefix="portlet" %>

<%@ taglib uri="http://liferay.com/tld/portlet" prefix="liferay-portlet" %>

<%@ taglib uri="http://liferay.com/tld/security" prefix="liferay-security" %>

<%@ taglib uri="http://liferay.com/tld/theme" prefix="liferay-theme" %>

<%@ taglib uri="http://liferay.com/tld/ui" prefix="liferay-ui" %>

<%@ taglib uri="http://liferay.com/tld/util" prefix="liferay-util" %>

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

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

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

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

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

<%@ page import="com.liferay.portlet.PortletPreferencesFactoryUtil" %>

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

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

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

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

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

<%@ page import="com.liferay.portal.kernel.language.LanguageUtil" %>

<%@ page import="com.liferay.portal.security.permission.ActionKeys"%>

<liferay-theme:defineObjects />

<portlet:defineObjects />

<%

String currentURL = PortalUtil.getCurrentURL(request);

PortletPreferences preferences = renderRequest.getPreferences();

String portletResource = ParamUtil.getString(request, "portletResource");

if (Validator.isNotNull(portletResource)) {

      preferences = PortletPreferencesFactoryUtil.getPortletSetup(request, portletResource);

}

String  email = preferences.getValue("email", StringPool.BLANK);

String  subject = preferences.getValue("subject", StringPool.BLANK);

%>

======== view.jsp ========================

<%@include file="/html/init.jsp" %>

<%=email %>

<%=subject %>