Display Action

The DisplayAction class is the default action class for the DisplayURL portlet. This means that the class is to be invoked before the portlet's JSP page renders. The source code follows.

/**Copyright (c) 2003 by SAS Institute Inc., Cary, NC 27513.
 * All Rights Reserved.
 */
package com.sas.portal.portlets.displayurl;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
//import com.sas.portal.Logger;
import com.sas.portal.portlet.PortletContext;


/**
 * Action class that presents the display page. It sets up the display
 * model then instructs the portlet container to present the display
 * page.
 */
public final class  DisplayAction extends BaseAction
{
//    private final String _loggingContext = this.getClass().getName();

    /**
     * Service the portlet request.
     *
     * @param request the HttpServletRequest
     * @param response the HttpServeltResponse
     * @param context the PortletContext
     * @return the URL to call
     */
    public String service(HttpServletRequest request,
                          HttpServletResponse response,
                          PortletContext context) throws Exception
    {
       super.service(request, response, context);

       // see if there is an initialization error
       errorCheck(context);
       return (String)context.getAttribute("display-page");
    }
}