user.java

局域网飞鸽传输

/**
  * @(#)data.User.java  2008-10-9  
  * Copy Right Information	: Tarena
  * Project					: IPMsg
  * JDK version used		: jdk1.6.4
  * Comments				: 用户类。
  * Version					: 1.0
  * Sr	Date		Modified By		Why & What is modified
  * 1.	2008-10-9 	小猪     		新建
  **/
package data;

import java.io.Serializable;
import java.net.InetAddress;
import java.net.UnknownHostException;
import java.util.StringTokenizer;

 /**
 * 用户类。
 * 2008-10-9
 * @author		达内科技[Tarena Training Group]
 * @version	1.0
 * @since		JDK1.6(建议) 
 */
@SuppressWarnings("serial")
public class User implements Serializable {

	/** 用户名 */
	private String userName = "";
	/** 主机名 */
	private String hostName = "";
	/** IP地址 */
	private String ipAdress = "";
	/** 登录名 */
	private String loginName = "";
	/** 优先级 */
	private String priority = "-";
	
	
	public String getHostName() {
		return hostName;
	}
	public void setHostName(String hostName) {
		this.hostName = hostName;
	}
	public String getIpAdress() {
		return ipAdress;
	}
	public void setIpAdress(String ipAdress) {
		this.ipAdress = ipAdress;
	}
	public String getLoginName() {
		return loginName;
	}
	public void setLoginName(String loginName) {
		this.loginName = loginName;
	}
	public String getPriority() {
		return priority;
	}
	public void setPriority(String priority) {
		this.priority = priority;
	}
	public String getUserName() {
		return userName;
	}
	public void setUserName(String userName) {
		this.userName = userName;
	}
	
	/**
	 * 获取本机的User对象。
	 * @return 返回本机的User对象。
	 */
	public static User getSelf(){
		User user = new User();
		String name = System.getProperty("user.name");
		user.setUserName(name);
		try {
			InetAddress local = InetAddress.getLocalHost();
			user.setHostName(local.getHostName());
			user.setIpAdress(local.getHostAddress());
		} catch (UnknownHostException e) {
			user.setHostName("未知");
			user.setIpAdress("127.0.0.1");
			System.out.println("获取本机信息错误:"+e.getMessage());
		}
		user.setLoginName(name);
		return user;
	}
	
	@Override
	public String toString() {
		return userName+"|"+hostName+"|"+ipAdress+"|"+loginName+"|"+priority;
	}
	
	@Override
	public boolean equals(Object obj) {
		if(obj instanceof User)
			return ((User)obj).getIpAdress().equals(ipAdress);
		return false;
	}
	
	/**
	 * 根据字符串转换成User对象。
	 * @param userStr 字符串，格式为：以4个|分隔的字符。<br>例：admin|tarena|192.168.1.1|Administrator|-
	 * @return 返回User对象，如果格式不正确，则返回null
	 */
	public static User strToUser(String userStr){
		StringTokenizer tokenizer = new StringTokenizer(userStr,"|");
		int count = tokenizer.countTokens();
		if(count==5){
			User user = new User();
			user.setUserName(tokenizer.nextToken());
			user.setHostName(tokenizer.nextToken());
			user.setIpAdress(tokenizer.nextToken());
			user.setLoginName(tokenizer.nextToken());
			user.setPriority(tokenizer.nextToken());
			return user;
		}else
			return null;
	}
}