setxtweb_loginip.java

一个手机上的考试系统的有服务器源码

/*
 * Author :  胡家宝
 * Date   :  2006-6-30 10:54:53
 */
 
 package WebExam;
 
 import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
 import java.io.DataInputStream;
 import java.io.DataOutputStream;
 import java.io.IOException;
 import java.util.*;
 
public class Setxtweb_loginip
{
	private String m_ip;
	private String m_clerk_name;
	private String m_name;
	private long m_lasttime;

	public Setxtweb_loginip()
	{
	}

	public Setxtweb_loginip(String ip,String clerk_name,String name,long lasttime)
	{
		m_ip = ip;
		m_clerk_name = clerk_name;
		m_name = name;
		m_lasttime = lasttime;
	}

	public String getip()
	{
		return m_ip;
	}

	public void setip( String ip  )
	{
	if( ip == null )
			ip= "default";
		m_ip = ip;
	}

	public String getclerk_name()
	{
		return m_clerk_name;
	}

	public void setclerk_name( String clerk_name  )
	{
	if( clerk_name == null )
			clerk_name= "default";
		m_clerk_name = clerk_name;
	}

	public String getname()
	{
		return m_name;
	}

	public void setname( String name  )
	{
	if( name == null )
			name= "default";
		m_name = name;
	}

	public long getlasttime()
	{
		return m_lasttime;
	}

	public void setlasttime( long lasttime  )
	{
		m_lasttime = lasttime;
	}

	//序列化
	public byte[] serialize() throws IOException
	{
		ByteArrayOutputStream bout = new ByteArrayOutputStream();
		DataOutputStream dout = new DataOutputStream(bout);

		dout.writeUTF( m_ip );
		dout.writeUTF( m_clerk_name );
		dout.writeUTF( m_name );
		dout.writeLong( m_lasttime );

		return bout.toByteArray();
	}

	//反序列化
	public  void  deserialize(byte[] data) throws IOException
	{
		ByteArrayInputStream bin = new ByteArrayInputStream(data);
		DataInputStream din = new DataInputStream(bin);
		m_ip = din.readUTF();
		m_clerk_name = din.readUTF();
		m_name = din.readUTF();
		m_lasttime = din.readLong();

		bin.close();
		din.close();

	}

	public static boolean matches(byte[] data, String userName) throws IOException 
 	{
 		ByteArrayInputStream bais = new ByteArrayInputStream(data);
 		DataInputStream dis = new DataInputStream(bais);
 		try
 		{
 			return (dis.readUTF()).equals(userName);
 		}
 		catch (IOException e)
 		{
 			e.printStackTrace();
 			return false;
 		}
 	}
}