users.java

Enjoy Web Dev With Tapestry 一书的源代码

package com.ttdev.shop;

import java.util.*;

public class Users {
	private List users;
	private static Users knownUsers;
	
	public Users() {
		users = new ArrayList();
	}
	public void add(User user) {
		users.add(user);
	}
	public User getUser(String email, String password) {
		for (Iterator iter = users.iterator(); iter.hasNext();) {
			User user = (User) iter.next();
			if (user.authenticate(email, password)) {
				return user;
			}
		}
		throw new AuthenticationException();
	}
	public static Users getKnownUsers() {
		if (knownUsers == null) {
			knownUsers = new Users();
			knownUsers.add(new User("u001", "[e-mail]", "aaa", "1111 2222 3333 4444"));
			knownUsers.add(new User("u002", "[e-mail]", "bbb", "2222 3333 4444 5555"));
			knownUsers.add(new User("u003", "[e-mail]", "aaa", "3333 4444 5555 6666"));
		}
		return knownUsers;
	}
}