Liferay Hook 5:To override and add Struts Actions:

-      Hook : To override and add Struts Actions:

-      This is new feature recently introduced.

-      It adds new struts action and override existing one.

-       

-      There are two interfaces

-       

-      1) com.liferay.portal.kernel.struts.StrutsAction

-      2) com.liferay.portal.kernel.struts.StrutsPortletAction

-      .

-      StrutsAction : It is used for regular portal struts actions like /c/portal/update_password.

-      StrutsPortletAction : It is used for action within portlet.

-       

-      Steps :

-      We are going to use same hook : myfirsthook-hook :

-      Edit liferay-hook.xml :

xml version="1.0"?>

DOCTYPE hook PUBLIC "-//Liferay//DTD Hook 6.1.0//EN" "http://www.liferay.com/dtd/liferay-hook_6_1_0.dtd">

<hook>

       <portal-properties>portal.propertiesportal-properties>

       <custom-jsp-dir>/META-INF/custom_jspscustom-jsp-dir>

       <struts-action>

              <struts-action-path>/portal/mynamestruts-action-path>

              <struts-action-impl>

com.liferay.custom.struts.actions.CustomStrutsAction

struts-action-impl>

       struts-action>

       <struts-action>

              <struts-action-path>/message_boards/viewstruts-action-path>

              <struts-action-impl>

com.liferay.custom.struts.actions.CutomStrutsPortletAction

struts-action-impl>

       struts-action>

hook>

-      Create struts action classes as follows : CustomStrutsAction.java

 

package com.liferay.custom.struts.actions; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import com.liferay.portal.kernel.struts.BaseStrutsAction; import com.liferay.portal.kernel.util.ParamUtil; public class CustomStrutsAction extends BaseStrutsAction {        @Override public String execute(HttpServletRequest request,               HttpServletResponse response) throws Exception {        System.out.println("____CustomStrutsAction   execute");        String name = ParamUtil.get(request, "name","Darshan");        request.setAttribute("name", name); return "/portal/myname.jsp";        } } Second struts Action class to wrap View Action of message board portlet package com.liferay.custom.struts.actions; import javax.portlet.ActionRequest; import javax.portlet.ActionResponse; import javax.portlet.PortletConfig; import javax.portlet.RenderRequest; import javax.portlet.RenderResponse; import javax.portlet.ResourceRequest; import javax.portlet.ResourceResponse; import com.liferay.portal.kernel.struts.BaseStrutsPortletAction; import com.liferay.portal.kernel.struts.StrutsPortletAction; public class CutomStrutsPortletAction extends BaseStrutsPortletAction {        @Override public void processAction(StrutsPortletAction originalStrutsPortletAction,        PortletConfig portletConfig, ActionRequest actionRequest,        ActionResponse actionResponse) throws Exception { System.out.println("____CutomStrutsPortletAction processAction");               originalStrutsPortletAction.processAction(originalStrutsPortletAction, portletConfig, actionRequest,actionResponse);        }        @Override public String render(StrutsPortletAction originalStrutsPortletAction,        PortletConfig portletConfig, RenderRequest renderRequest,        RenderResponse renderResponse) throws Exception {             System.out.println("_____CutomStrutsPortletAction   render"); return originalStrutsPortletAction.render(originalStrutsPortletAction, portletConfig, renderRequest,renderResponse);        }        @Override public void serveResource(StrutsPortletAction originalStrutsPortletAction,        PortletConfig portletConfig, ResourceRequest resourceRequest,        ResourceResponse resourceResponse) throws Exception {                      System.out.println("__CutomStrutsPortletAction   serveResource"); originalStrutsPortletAction.serveResource(originalStrutsPortletAction, portletConfig,resourceRequest, resourceResponse);        } } -      Create a jsp myname.jsp in         myfirsthook-hook\docroot\META-INF\custom_jsps\html\portal\ folder. -           myname.jsp   Hellloooooooooooooo <%=request.getAttribute("name")%> -      Finally modify portal.properties: -      auth.public.paths=/portal/myname -      Deploy Hook and go to http://localhost:8080/c/portal/myname -      Screen Shot :           Other Many Type of Hooks are : -                    Hooks : Servlet Filter Hook -                   Hooks : Application adopter Hook ----------------------------------------------------------------------------                            Hook to Override JSP        Hooks to Override Portal Properties File        Hooks to override language Properties Files        Hooks to override user Login and Landing Page-PerLogin and Postlogin        Hooks To override Struts Actions Hooks to override dockbar Portlet