registeraction.java

Chinaxp 论坛源代码

/*
 * XP Forum
 *
 * Copyright (c) 2002-2003 RedSoft Group.  All rights reserved.
 *
 */
package org.redsoft.forum.web;

import org.apache.struts.action.*;
import org.redsoft.forum.dao.Account;
import org.redsoft.forum.dao.AccountDAO;
import org.redsoft.forum.dao.DAOFactory;
import org.redsoft.forum.exception.AccountAlreadyExistException;
import org.redsoft.forum.exception.DAOException;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.io.IOException;


/**
 * Add a user account
 *
 * @author Charles Huang
 * @version 1,March 10,2002
 */

public final class RegisterAction extends Action {


   /**
     * Process the specified HTTP request, and create the corresponding HTTP
     * response (or forward to another web component that will create it).
     * Return an <code>ActionForward</code> instance describing where and how
     * control should be forwarded, or <code>null</code> if the response has
     * already been completed.
     *
     * @param mapping The ActionMapping used to select this instance
     * @param form The optional ActionForm bean for this request (if any)
     * @param request The HTTP request we are processing
     * @param response The HTTP response we are creating
     *
     * @exception IOException if an input/output error occurs
     * @exception ServletException if a servlet exception occurs
     */
    public ActionForward execute(ActionMapping mapping,
				 ActionForm form,
				 HttpServletRequest request,
				 HttpServletResponse response)
	throws IOException, ServletException {

        final HttpSession session = request.getSession();
        final ActionErrors errors = new ActionErrors();
        final String userName = ( ( RegisterForm) form ).getUserName();
	    final String password = ( ( RegisterForm) form ).getPassword();
        final String email = ( ( RegisterForm) form ).getEmail();

        try{
            final AccountDAO dao = DAOFactory.getInstance().getAccountDAO();
            dao.addAccount( new Account( userName,password,email ) );
        }catch( final DAOException daoException ){
            daoException.printStackTrace();
            return (mapping.findForward("error"));
        }catch( final AccountAlreadyExistException accountAlreadyExistException ){
	        errors.add("User login", new ActionError("error.account.alreadyExist") );
		}

        // Report any errors we have discovered back to the original form
    	if (!errors.isEmpty()) {
	        saveErrors(request, errors);
	        return (new ActionForward(mapping.getInput()));
	    }

        // Remove the obsolete form bean
	    if (mapping.getAttribute() != null) {
            if ("request".equals(mapping.getScope()))
                request.removeAttribute(mapping.getAttribute());
            else
                session.removeAttribute(mapping.getAttribute());
        }

    	// Forward control to the specified success URI
	    return (mapping.findForward("success"));
    }
}