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  • Overriding Login Struts action in liferay

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    We can override Login Struts action by using Hook.

    In the below example we are overriding struts action "/login/login". When a user login in Liferay "com.liferay.portlet.login.action.LoginAction" is the action class that calls.

    Follow the below steps to perform the change of Struts Action:

    1. Create Liferay Plugin Project of type Hook.
    1. Write the below code in liferay-hook.xml to override Login Struts action
    <?xml version="1.0"?>
    <!DOCTYPE hook PUBLIC "-//Liferay//DTD Hook 6.2.0//EN" "http://www.liferay.com/dtd/liferay-hook&#95;6_2&#95;0.dtd">
    
    <hook>
        <struts-action>
            <struts-action-path>/login/login</struts-action-path>
            <struts-action-impl>com.evon.action.CustomLoginAction</struts-action-impl>
        </struts-action>
    </hook>
    
    1. package com.evon.action;
    import javax.portlet.ActionRequest;
    import javax.portlet.ActionResponse;
    import javax.portlet.PortletConfig;
    import javax.portlet.RenderRequest;
    import javax.portlet.RenderResponse;
    
    import com.liferay.portal.kernel.struts.BaseStrutsPortletAction;
    import com.liferay.portal.kernel.struts.StrutsPortletAction;
    
    public class CustomLoginAction extends BaseStrutsPortletAction{
    
        @Override
        public void processAction(StrutsPortletAction originalStrutsPortletAction,
                PortletConfig portletConfig, ActionRequest actionRequest,
                ActionResponse actionResponse) throws Exception {
            /**
             * This is the custom process action
             * Once you try to login this method will be invoked
             * We can write our own logic here
             * Invoke the original struts action at the end
             */
    
            System.out.println("in Custom login........................");
    
            originalStrutsPortletAction.processAction(
                    originalStrutsPortletAction, portletConfig, actionRequest,
                    actionResponse);
        }
    
        public String render(
                StrutsPortletAction originalStrutsPortletAction,
                PortletConfig portletConfig, RenderRequest renderRequest,
                RenderResponse renderResponse)
            throws Exception {
    
            return originalStrutsPortletAction.render(
                null, portletConfig, renderRequest, renderResponse);
    
        }
    }
    
    1. Deploy the Hook and try to login, this will invoke method of CustomLoginAction class instead of default one.

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