import java.net.*;
import java.io.*;

/** Retrieve a URL given the host, port, and file
 *  as three separate command-line arguments. A later
 *  class (UrlRetriever) supports a single URL instead.
 * @see SocketUtil
 * @see UrlRetriever
 */

public class UriRetriever extends NetworkClient {
  private String uri;

  //----------------------------------------------------
  
  public static void main(String[] args) {
    UriRetriever uriClient
      = new UriRetriever(args[0],
                         Integer.parseInt(args[1]),
                         args[2]);
    uriClient.connect();
  }

  //----------------------------------------------------
  
  public UriRetriever(String host, int port,
                      String uri) {
    super(host, port); 
    this.uri = uri;
  }


  //----------------------------------------------------
  /** Send one GET line, then read the results
   *  one line at a time, printing each to
   *  standard output.
   */

  // It is safe to use blocking IO (readLine), since
  // HTTP servers close connection when done, resulting
  // in a null value for readLine.
  
  protected void handleConnection(Socket uriSocket)
      throws IOException {
    PrintWriter out =
      SocketUtil.getPrintWriter(uriSocket);
    BufferedReader in =
      SocketUtil.getBufferedReader(uriSocket);
    out.println("GET " + uri + " HTTP/1.0\n");
    String line;
    while ((line = in.readLine()) != null)
      System.out.println("> " + line);
  }
}