user4.java

beginJsp2.0外文书籍源代码

package com.wrox.except;

import org.apache.log4j.Logger;
import org.apache.log4j.PropertyConfigurator;

public class User4
{
  static Logger logger = Logger.getLogger("com.wrox.except.User");
  private String username;
  private String password;

  static
  {
    PropertyConfigurator.configure("C:\\java\\tomcat50\\webapps"
                         + "\\Exceptions\\WEB-INF\\config.properties");
  }

  public User4()
  {
  }

  public void setUsername(String username)
  {
    logger.debug("Username set: " + username);
    this.username = username;
  }

  public String getUsername()
  {
    return this.username;
  }

  public void setPassword(String password)
  {
    this.password = password;
  }

  public void validate() throws UserException, Exception
  {
    if(this.username == null)
    {
      throw new UserException("UserName must be supplied !!");
    }
    if(this.password == null)
    {
      logger.error("Password is null for " + username);
      throw new UserException("Password must be supplied !!",
                              this.username);
    }    
    if (!(this.username.equals("Dougal")
       && this.password.equals("roundabout")))
    {
      Exception trouble = new Exception("Couldn't validate your"
                                      + " password!");
      throw trouble;
    }
  logger.info("Validation successful for: " + this.username);
  }
}