password.java

mail sent and revesive system jsp+mysql

package fengyun.Fastmail.beans;

import java.sql.*;

public class Password {

  private String userid = null;
  private String oldpassword = null;
  private String password = null;
  private String password2 = null;
  public void setUserid(String userid) { this.userid = userid; }
  public String getUserid() { return userid; }
  public void setOldpassword(String oldpassword) { this.oldpassword = oldpassword; }
  public String getOldpassword() { return oldpassword; }
  public void setPassword(String password) { this.password = password; }
  public String getPassword() { return password; }
  public void setPassword2(String password2) { this.password2 = password2; }
  public String getPassword2() { return password2; }

  public void update() {
        try {
            String sql = "update mailbox set password = password(?) where userid=? and password=password(?)";
            Mysql mysql = new Mysql(sql);
            mysql.setString(1, password);
            mysql.setString(2, userid);
            mysql.setString(3, oldpassword);
            mysql.executeUpdate();
            mysql.close();
            mysql = null;
        }
        catch(Exception exception) {
            System.err.println("Password.update():");
            exception.printStackTrace(System.err);
        }
  }
  public boolean isValid() {
    boolean valid = true;
    if (userid == null || userid.equals("")) valid = false;
    if (oldpassword == null || oldpassword.equals("")) valid = false;
    if (password == null || password.equals("") || password2 == null || password2.equals("") || !password.equals(password2)) valid = false;
    return valid;
  }
}