Finger Client : Socket Client « Network « Java Tutorial

1. Java Tutorial
2. Network
3. Socket Client

import java.io.BufferedInputStream;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.io.Writer;
import java.net.Socket;

public class MainClass {

  public final static int DEFAULT_PORT = 79;

  public static void main(String[] args) throws Exception {

    String hostname = "localhost";

    Socket connection = null;
    connection = new Socket(hostname, DEFAULT_PORT);
    Writer out = new OutputStreamWriter(connection.getOutputStream(), "8859_1");
    out.write("\r\n");
    out.flush();
    InputStream raw = connection.getInputStream();
    BufferedInputStream buffer = new BufferedInputStream(raw);
    InputStreamReader in = new InputStreamReader(buffer, "8859_1");
    int c;
    while ((c = in.read()) != -1) {
      if ((c >= 32 && c < 127) || c == '\t' || c == '\r' || c == '\n') {
        System.out.write(c);
      }
    }
    connection.close();

  }

}