echoclient.java

java应用开发详解

import java.net.*;
import java.io.*;
import java.util.*;
import java.security.*;
import javax.net.*;
import javax.net.ssl.*;

public class EchoClient
{
  public static void main(String [] arstring)
  {
    try
    {
        String KEYSTORE = "sslkeystore";
 	char[] KEYSTOREPW = "12345678".toCharArray();
 	char[] KEYPW = "ssltest".toCharArray();
 
   	KeyStore keystore = KeyStore.getInstance("JKS");
  	keystore.load(new FileInputStream(KEYSTORE), KEYSTOREPW);
  
  	TrustManagerFactory kmf = TrustManagerFactory.getInstance("SunX509");

  	kmf.init(keystore);
  	SSLContext sslc = SSLContext.getInstance("SSLv3");
  	sslc.init(null,kmf.getTrustManagers(),  null);
     	SocketFactory ssf = sslc.getSocketFactory();   
    
      	//SSLServerSocketFactory ssf=(SSLServerSocketFactory)SSLServerSocketFactory.getDefault();
      	SSLSocket sslsocket =(SSLSocket)ssf.createSocket("localhost",1111);


      	InputStream inputstream = System.in;
      	InputStreamReader inputstreamreader = new InputStreamReader(inputstream);
      	BufferedReader bufferedreader = new BufferedReader(inputstreamreader);

      	OutputStream outputstream = sslsocket.getOutputStream();
      	OutputStreamWriter outputstreamwriter = new OutputStreamWriter(outputstream);
      	BufferedWriter bufferedwriter = new BufferedWriter(outputstreamwriter);

      	String string = null;
      	while ((string = bufferedreader.readLine()) != null)
      	{
        	bufferedwriter.write(string + '\n');
        	bufferedwriter.flush();
      	}
    }
    catch (Exception exception)
    {
      	exception.printStackTrace();
    }
  }
}