/* */package com.sun.j2ee.workflow.control.web;import java.util.HashMap;import java.util.ArrayList;import java.util.Enumeration;import javax.servlet.http.HttpServletRequest;import org.impact.stars.control.exceptions.StarsEventException;import org.impact.stars.util.WebKeys;import org.impact.stars.util.Debug;import org.impact.stars.control.web.UserWebImpl;import org.impact.stars.control.web.ModelManager;/** * SigninFlow Handler **/public class SigninFlowHandler implements FlowHandler {    public void doStart(HttpServletRequest request) {    }    public String processFlow(HttpServletRequest request) throws StarsEventException {        Debug.println("SigninFlowHandler:processRequest");        ModelManager mm = (ModelManager)request.getSession().getAttribute(WebKeys.ModelManagerKey);        UserWebImpl User = mm.getUserWebImpl();        String nextScreen = null;        if (User.isLoggedIn()) {            String targetScreen = (String)request.getSession().getAttribute(WebKeys.SigninTargetURL);            if (targetScreen != null) return "TARGET_URL";            else return "1";        } else {            return nextScreen = "2";        }    }    public void doEnd(HttpServletRequest request) {    }}