userajax.java

野蔷薇论坛源码 java 自己看看吧。 学习用

/* 
 * Created on 2005-12-14
 * Last modified on 2007-8-22
 * Powered by YeQiangWei.com
 */
package com.yeqiangwei.club.view.ajax;

import java.io.IOException;
import java.io.PrintWriter;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.log4j.Logger;

import com.yeqiangwei.club.controller.action.UserAction;
import com.yeqiangwei.club.exception.ClubException;
import com.yeqiangwei.club.service.ServiceLocator;
import com.yeqiangwei.club.service.ServiceWrapper;
import com.yeqiangwei.club.service.model.FriendModel;
import com.yeqiangwei.club.service.model.UserSettingsModel;
import com.yeqiangwei.club.service.user.FriendService;
import com.yeqiangwei.club.service.user.UserLogin;
import com.yeqiangwei.club.service.user.UserSettingsService;
import com.yeqiangwei.club.util.MessageUtils;
import com.yeqiangwei.util.Validator;
import com.yeqiangwei.tools.EncodeString;
import com.yeqiangwei.util.ParamUtils;
/**
 * @author YeQiangWei by 我容易么我
 * Powered by YeQiangWei.com
 */
public class UserAjax extends HttpServlet {
	
	/**
	 * 
	 */
	private static final long serialVersionUID = 1221528943965678008L;

	private static final Logger logger = Logger.getLogger(UserAjax.class);
	
	private int rate = 0;
	
	/**
	 * 口令强弱等级判定,强度算法有待商戳，功能基本实现
	 * @param pass
	 * @return
	 */
	public int rateUserPass(String pass){
		/*
		 * i 值指示口令等级
		 * 0 不合法口令
		 * 1 太短
		 * 2 弱
		 * 3 一般
		 * 4 很好
		 * 5 极佳
		 */
		int i = 0;
		if(pass==null || pass.length()==0){
			return 0;
		}
		int hasLetter = EncodeString.matcherStr(pass,"[a-zA-Z]","").length();
		int hasNumber = EncodeString.matcherStr(pass,"[0-9]","").length();	
		int passLen = pass.length();
		if(passLen>=6){
			/* 如果仅包含数字或仅包含字母 */
			if((passLen-hasLetter)==0 || (passLen-hasNumber)==0){
				if(passLen<8){
					i = 2;
				}else {
					i = 3;
				}
			}
			/* 如果口令大于6位且即包含数字又包含字母 */
			else if(hasLetter>0 && hasNumber>0){ 
				if(passLen>=10){
					i = 5;
				}else if(passLen>=8){
					i = 4;
				}else{
					i = 3;
				}
			}
			/* 如果既不包含数字又不包含字母 */
			else if(hasLetter==0 && hasNumber==0){
				if(passLen>=7){
					i = 5;
				}else{
					i = 4;
				}
			}
			/* 字母或数字有一方为0 */
			else if(hasNumber==0||hasLetter==0){
				if((passLen-hasLetter)==0 || (passLen-hasNumber)==0){
					i = 2;
				}
				/* 
				 * 字母数字任意一种类型小于6且总长度大于等于6
				 * 则说明此密码是字母或数字加任意其他字符组合而成
				 */
				else{
					if(passLen>8){
						i = 5;
					}else if(passLen==8){
						i = 4;
					}else{
						i = 3;
					}
				}
			}
		}else{ //口令小于6位则显示太短
			if(passLen>0){
				i = 1; //口令太短
			}else{
				i = 0;
			}
		}
		return i;
	}
	
	public FriendService getFriendService() {
		return ServiceWrapper.<FriendService>getSingletonInstance(ServiceLocator.FRIEND);
	}
	
	public String addfriend(HttpServletRequest request,HttpServletResponse respons){
		int userId = ParamUtils.getIntParameter(request,"userId",0);
		int myUserId = UserLogin.getUserId(request);
		if(myUserId==0){
			return MessageUtils.getMessage("error_notlogin");
		}
		else if(userId==0){
			//request.setAttribute("message",MessageUtils.getMessage("error_notfind_user"));
			return MessageUtils.getMessage("error_notfind_user");
		}else{
			FriendModel model = new FriendModel();
			model.setFriendUserId(userId);
			model.setMyUserId(myUserId);
			try {
				this.getFriendService().create(model);
				return MessageUtils.getMessage("success");
			} catch (ClubException e) {
				logger.error(e.toString());
				return MessageUtils.getMessage("error");
			}
		}
	}
	
	public void service(HttpServletRequest request,HttpServletResponse response)
		throws ServletException, IOException 
	{
		
		response.setContentType("text/HTML;charset=UTF-8"); 
		PrintWriter out = response.getWriter();
		String act = ParamUtils.getStringParameter(request,"act");
		if(act.equals("pass")){
			String userPass = request.getParameter("passwd");
			rate = rateUserPass(userPass);
			out.print(rate);
		}
		else if(act.equals("email")){
			UserAction user = new UserAction();
			out.print(Validator.isEmpty(user.findByEmailAddress(request)));
		}
		else if(act.equals("name")){
			UserAction user = new UserAction();
			out.print(Validator.isEmpty(user.findByUserName(request)));
		}
		else if(act.equals("addfriend")){
			out.print(this.addfriend(request,response));
		}
		else if(act.equals("postForward")){
			UserSettingsModel m = this.getUserSettingsService().getUserSettingsModel(UserLogin.getUserId(request));
			m.setPostForward(ParamUtils.getByteParameter(request,"pfw"));
			try {
				this.getUserSettingsService().createOrUpdate(m);
			} catch (ClubException e) {
				logger.error(e.toString());
			}
			out.print(MessageUtils.getMessage("success"));
		}
		else if(act.equals("loginForward")){
			UserSettingsModel m = this.getUserSettingsService().getUserSettingsModel(UserLogin.getUserId(request));
			m.setLoginForward(ParamUtils.getByteParameter(request,"lfw"));
			try {
				this.getUserSettingsService().createOrUpdate(m);
			} catch (ClubException e) {
				logger.error(e.toString());
			}
			out.print(MessageUtils.getMessage("success"));
		}
		out.close();
	}

	public UserSettingsService getUserSettingsService(){
		return ServiceWrapper.<UserSettingsService>getSingletonInstance(ServiceLocator.USERSETTINGS);
	}
}