com.google.scrollview.ScrollView Class Reference

Static Public Member Functions
static void	addMessage (SVEvent e)
static String	receiveMessage () throws IOException
static void	exit ()
static void	main (String[] args)

Static Public Attributes
static int	SERVER_PORT = 8461
static BufferedReader	in
static float	polylineXCoords []
static float	polylineYCoords []
static int	polylineSize
static int	polylineScanned

Detailed Description

The ScrollView class is the main class which gets started from the command line. It sets up LUA and handles the network processing.

Author

wanke.nosp@m.@goo.nosp@m.gle.c.nosp@m.om

Definition at line 32 of file ScrollView.java.

Member Function Documentation

static void com.google.scrollview.ScrollView.addMessage ( SVEvent  e )

inlinestatic

Add a new message to the outgoing queue

Definition at line 60 of file ScrollView.java.

                                           {
    if (debugViewNetworkTraffic) {
      System.out.println("(S->c) " + e.toString());
    }
    String str = e.toString();
    // Send the whole thing as UTF8.
    try {
      byte [] utf8 = str.getBytes("UTF8");
      out.write(utf8, 0, utf8.length);
    } catch (java.io.UnsupportedEncodingException ex) {
      System.out.println("Oops... can't encode to UTF8... Exiting");
      System.exit(0);
    }
    out.println();
    // Flush the output and check for errors.
    boolean error = out.checkError();
    if (error) {
      System.out.println("Connection error. Quitting ScrollView Server...");
      System.exit(0);
    }
  }

static void com.google.scrollview.ScrollView.exit ( )

inlinestatic

Called from the client to make the server exit.

Definition at line 358 of file ScrollView.java.

                            {
    System.exit(0);
  }

static void com.google.scrollview.ScrollView.main ( String[]  args )

inlinestatic

The main function. Sets up LUA and the server connection and then calls the IOLoop.

Definition at line 366 of file ScrollView.java.

                                         {
    if (args.length > 0) {
      SERVER_PORT = Integer.parseInt(args[0]);
    }
    windows = new ArrayList<SVWindow>(100);
    intPattern = Pattern.compile("[0-9-][0-9]*");
    floatPattern = Pattern.compile("[0-9-][0-9]*\\.[0-9]*");

    try {
      // Open a socket to listen on.
      ServerSocket serverSocket = new ServerSocket(SERVER_PORT);
      System.out.println("Socket started on port " + SERVER_PORT);

      // Wait (blocking) for an incoming connection
      socket = serverSocket.accept();
      System.out.println("Client connected");

      // Setup the streams
      out = new PrintStream(socket.getOutputStream(), true);
      in =
          new BufferedReader(new InputStreamReader(socket.getInputStream(),
              "UTF8"));
    } catch (IOException e) {
      // Something went wrong and we were unable to set up a connection. This is
      // pretty
      // much a fatal error.
      // Note: The server does not get restarted automatically if this happens.
      e.printStackTrace();
      System.exit(1);
    }

    // Enter the main program loop.
    IOLoop();
  }

static String com.google.scrollview.ScrollView.receiveMessage ( ) throws IOException

inlinestatic

Read one message from client (assuming there are any).

Definition at line 83 of file ScrollView.java.

                                                           {
    return in.readLine();
  }

Member Data Documentation

BufferedReader com.google.scrollview.ScrollView.in

static

Definition at line 44 of file ScrollView.java.

int com.google.scrollview.ScrollView.polylineScanned

static

Definition at line 48 of file ScrollView.java.

int com.google.scrollview.ScrollView.polylineSize

static

Definition at line 47 of file ScrollView.java.

float com.google.scrollview.ScrollView.polylineXCoords[]

static

Definition at line 45 of file ScrollView.java.

float com.google.scrollview.ScrollView.polylineYCoords[]

static

Definition at line 46 of file ScrollView.java.

int com.google.scrollview.ScrollView.SERVER_PORT = 8461

static

The port our server listens at.

Definition at line 35 of file ScrollView.java.

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The documentation for this class was generated from the following file:

• java/com/google/scrollview/ScrollView.java