logonaction.java

这其中有好多例题的

/*
 * Generated by MyEclipse Struts
 * Template path: templates/java/JavaClass.vtl
 */
package com.wings.struts.action;

import com.wings.struts.form.LogonForm;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import org.apache.struts.action.Action;
import org.apache.struts.action.ActionError;
import org.apache.struts.action.ActionErrors;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

import persistence.Constants;

/** 
 * MyEclipse Struts
 * Creation date: 04-13-2007
 * 
 * XDoclet definition:
 * @struts.action path="/logonSubmit" name="logonForm" input="/pages/Logon.jsp" scope="request" validate="true"
 */
public class LogonAction extends Action {
	public boolean isUserLogon(String username, String password){
		return true;//UserDirectory.getInstance().isValiPassword(username,password));
	}

	/** 
	 * Method execute
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return ActionForward
	 */
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		LogonForm logonForm = (LogonForm) form;// TODO Auto-generated method stub

		String username=logonForm.getUsername();
		String password=logonForm.getPassword();
		
		boolean validated = false;
		validated = isUserLogon(username,password);
		
		if(!validated){
			ActionErrors errors = new ActionErrors();
			errors.add(ActionErrors.GLOBAL_ERROR,new ActionError("error.logon.invalid"));
			saveErrors(request,errors);
			return mapping.getInputForward();
		}
		HttpSession session = request.getSession();
		session.setAttribute(Constants.USER_KEY, logonForm);
		
		if(servlet.getDebug()>=Constants.DEBUG){
			StringBuffer message = new StringBuffer("LogonAction: User '");
			message.append(username);
			message.append("' logged on in session ");
			servlet.log(message.toString());
		}
		return mapping.findForward(Constants.SUCCESS);
	}   
}