/**
 * 用于验证登陆是否成功
 */
package action;

import mailutil.GetMail;
import mailutil.SendAttachMail;
import utils.EditorUtils;

public class LoginAction {
	private String POP3Host = ""; // POP3服务器
	private String SMTPHost = ""; // SMTP服务器
	private String user = ""; // 登录服务器的帐号
	private String password = ""; // 登录服务器的密码
	private GetMail getMail = null;
	private SendAttachMail sendMail = null;

	// 三个参数的构造方法
	public LoginAction(String sMTPHost, String pOP3Host, String user,
			String password) {
		super();
		POP3Host = pOP3Host;
		SMTPHost = sMTPHost;
		this.user = user;
		this.password = password;
		// 实例化收邮件对象
		getMail = GetMail.getMailInstantiate();
		getMail.setPOP3Host(POP3Host);
		getMail.setUser(user);
		getMail.setPassword(password);
		// 实例化发邮件件对象
		sendMail = SendAttachMail.getSendMailInstantiate();
		sendMail.setSMTPHost(SMTPHost);
		sendMail.setUser(user);
		sendMail.setPassword(password);
	}

	// 判断登陆是否成功
	public boolean isLogin() {

		boolean isLogin = false;
		// 判断用户名是否为空
		if (checkUser()) {
			try {
				sendMail.connect();// 连接发件服务器（只能通过连接发件箱验证身份，否者发件时会抛异常）
				isLogin = true;
			} catch (Exception e) {
				isLogin = false;
				e.printStackTrace();
			}
		}
		return isLogin;
	}

	// 验证用户输入数据的有效性
	public boolean checkUser() {
		boolean check = false;
		boolean checkSMTP = SMTPHost.toLowerCase().startsWith("smtp");// 验证smtp服务器
		boolean checkPOP = POP3Host.toLowerCase().startsWith("pop");// 验证pop服务器
		boolean checkPassword = !"".equals(password) && password.length() >= 1;
		boolean checkUser = EditorUtils.checkEmailAdress(user);// 验证邮箱的有效性
		if (checkSMTP && checkPOP && checkPassword && checkUser) {
			check = true;// 验证通过
		}
		return check;
	}
}