// A simple test program for the TelnetStdioRedirector class.

package biz.source_code.utils;

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.PrintStream;

public class TestTelnetStdioRedirector {

private static PrintStream             localOut;
private static TelnetStdioRedirector   redirector;

public static void main (String[] args) throws Exception {
   if (args.length > 1) {
      throw new Exception("Invalid number of commandline arguments."); }
   int port = 8080;
   if (args.length >= 1) {
      port = Integer.valueOf(args[0]); }
   System.out.println("Main started.");
   localOut = System.out;
   redirector = new TelnetStdioRedirector(port, false, "UTF-8") {
    @Override public void processSessionDialog() throws Exception {
       TestTelnetStdioRedirector.processSessionDialog(); }};
   redirector.waitForTermination();
   System.out.println("Main terminating"); }

private static void processSessionDialog() throws Exception {
   localOut.println("processSessionDialog() startet.");
   System.out.println("q=quit session, x=exit server, t1=test blocking readChar, t2=test non-blocking");
   BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
   while (true) {
      System.out.print("==> ");
      String s = reader.readLine();
      if (s.equals("q")) {
         break; }
       else if (s.equals("x")) {
         redirector.stop();
         break; }
       else if (s.equals("t1")) {
         test1(); }
       else if (s.equals("t2")) {
         test2(); }
       else {
         System.out.println("Input len=" + s.length() + ": \"" + s + "\"");
         localOut.println("Remote input: \"" + s + "\""); }}
   localOut.println("processSessionDialog() completed."); }

private static void test1() throws Exception {
   System.out.println("Test1: Blocking single key input. Press q to quit.");
   TelnetStdioRedirector.RawConsoleReader raw = (TelnetStdioRedirector.RawConsoleReader)System.in;
   while (true) {
      int i = raw.readChar(true);
      if (i == 'q') {
         break; }
      System.out.println("Key = " + i); }}

private static void test2() throws Exception {
   System.out.println("Test2: Nonblocking single key input. Press q to quit.");
   TelnetStdioRedirector.RawConsoleReader raw = (TelnetStdioRedirector.RawConsoleReader)System.in;
   while (true) {
      int i = raw.readChar(false);
      if (i == -2) {
         System.out.print(".");
         Thread.sleep(100);
         continue; }
      if (i == 'q') {
         break; }
      System.out.println("Key = " + i); }
   System.out.println(); }

}