package primer_harold; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.OutputStreamWriter; import java.io.Writer; import javax.net.ssl.SSLSocket; import javax.net.ssl.SSLSocketFactory; public class HTTPSClient { public static void main(String[] args) { if (args.length == 0) { System.out.println("Usage: java HTTPSClient host"); return; } int port = 443; // - default https port String host = args[0]; try { SSLSocketFactory factory = (SSLSocketFactory) SSLSocketFactory.getDefault(); SSLSocket socket = (SSLSocket) factory.createSocket(host, port); // enable all the suites String[] supported = socket.getSupportedCipherSuites(); socket.setEnabledCipherSuites(supported); Writer out = new OutputStreamWriter(socket.getOutputStream()); // https requires the full URL in the GET line out.write("GET http://" + host + "/ HTTP/1.1\r\n"); out.flush(); out.write("Host: " + host + "\r\n"); out.flush(); out.write("\r\n"); out.flush(); // read response BufferedReader in = new BufferedReader(new InputStreamReader(socket.getInputStream())); // read the header String s; while (!(s = in.readLine()).equals("")) { System.out.println(s); } System.out.println(); // read the length String contentLength = in.readLine(); int length = Integer.MAX_VALUE; try { length = Integer.parseInt(contentLength.trim(), 16); } catch (NumberFormatException e) { } System.out.println(contentLength); int c; int i = 0; while ((c = in.read()) != -1 && i++ < length) { System.out.write(c); } System.out.println(); out.close(); in.close(); socket.close(); } catch (IOException e) { e.printStackTrace(); } } }