password.java

tbuy1.1.5是在netbeans环境下用JSF技术编写的一个论坛tbuy1.1.5是在netbeans环境下用JSF技术编写的一个论坛

/*
 * 作者: 胡李青
 * qq: 31703299
 * Copyright (c) 2007 huliqing
 * 主页 http://www.tbuy.biz/
 * 你可以免费使用该软件，未经许可请勿作用于任何商业目的
 */

package biz.tbuy.user.bean;

import biz.tbuy.common.Constants;
import biz.tbuy.common.Encoder;
import biz.tbuy.common.Utils;
import biz.tbuy.user.UserAction;
import biz.tbuy.user.UserModel;
import java.io.UnsupportedEncodingException;
import java.security.NoSuchAlgorithmException;

/**
 * @author huliqing
 * <p><b>qq：</b>31703299
 * <p><b>E-mail：</b><a href="mailto:[e-mail]">[e-mail]</a>
 * <p><b>Homepage：</b><a href="http://www.tbuy.biz/">http://www.tbuy.biz/</a>
 */
public class Password extends BaseBean{
    private String passwordOld;
    private String passwordNew1;
    private String passwordNew2;
    
    /** Creates a new instance of PasswordBean */
    public Password() {
    }
    
    public void setPasswordOld(String password) {
        this.passwordOld = password;
    }
    
    public String getPasswordOld() {
        return passwordOld;
    }
    
    public void setPasswordNew1(String password) {
        this.passwordNew1 = password;
    }
    
    public String getPasswordNew1() {
        return passwordNew1;
    }
    
    public void setPasswordNew2(String password) {
        this.passwordNew2 = password;
    }
    
    public String getPasswordNew2() {
        return passwordNew2;
    }
    
    /** method ****************************************************************
     * @return String
     */
    public String change() 
            throws NoSuchAlgorithmException, 
                   UnsupportedEncodingException{
        if (!isEqualsPassword()) {
            Utils.addErrorMessage(getBundle(), "password_passwordDiffer");
            return Constants.OUT_FAILURE;
        }
        if (!checkPasswordOld()) {
            Utils.addErrorMessage(getBundle(), "password_passwordWrong");
            return Constants.OUT_FAILURE;
        }
        if (!updatePassword()) {
            Utils.addErrorMessage(getBundle(), "password_updateError");
            return Constants.OUT_FAILURE;
        }
        resetVisitor(); 
        Utils.addInfoMessage(getBundle(), "password_updateSuccess");
        return Constants.OUT_SUCCESS;
    }
    
    /**
     * @return boolean
     */
    private boolean isEqualsPassword() {
        return passwordNew1.equals(passwordNew2);
    }
    
    /**
     * @return true if old password was match the database's password
     */
    private boolean checkPasswordOld() 
            throws NoSuchAlgorithmException, 
                   UnsupportedEncodingException {
        UserModel user = null;
        // encode the old password
        user = UserAction.getUser(getVisitor().getUser().getId(), 
                                   Encoder.encodeByMd5(passwordOld));
        return (user != null ? true : false);
    }
    
    /**
     * @return boolean
     */
    private boolean updatePassword() 
            throws NoSuchAlgorithmException,
                   UnsupportedEncodingException {
        // encode the new password
        return UserAction.updatePassword(getVisitor().getUser().getId(), 
                                            Encoder.encodeByMd5(passwordNew1));
    }
    
    /**
     *
     */
    private void resetVisitor() {
        getVisitor().getUser().setPassword(passwordNew1);
    }
}