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56

Chapter 2 First Servlets

Listing 2.13 HttpClient.java 

import java.awt.*;

import java.net.*;

import java.io.*;

/**

 *  The underlying network client used by WebClient.

 */

public class HttpClient extends NetworkClient {

  private String requestLine;

  private String[] requestHeaders;

  private TextArea outputArea;

  private Interruptible app;

  public HttpClient(String host, int port,

                    String requestLine, String[] requestHeaders,

                    TextArea outputArea, Interruptible app) {

    super(host, port);

    this.requestLine = requestLine;

    this.requestHeaders = requestHeaders;

    this.outputArea = outputArea;

    this.app = app;

    if (checkHost(host))

      connect();

  }

  protected void handleConnection(Socket uriSocket)

      throws IOException {

    try {

      PrintWriter out = SocketUtil.getWriter(uriSocket);

      BufferedReader in = SocketUtil.getReader(uriSocket);

      outputArea.setText("");

      out.println(requestLine);

      for(int i=0; i