/*
  This file is part of JOP, the Java Optimized Processor
    see <http://www.jopdesign.com/>

  Copyright (C) 2011, Martin Schoeberl (martin@jopdesign.com)

  This program is free software: you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation, either version 3 of the License, or
  (at your option) any later version.

  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package javax.safetycritical.io;

import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;

import javax.microedition.io.ConnectionNotFoundException;
import javax.microedition.io.Connector;
import javax.microedition.io.StreamConnection;
import javax.safetycritical.annotate.SCJAllowed;

/** A connection for the terminal. */
@SCJAllowed
public class ConsoleConnection implements StreamConnection {

	/**
	 * A singleton to return the available System.in/out
	 * streams (e.g., JOPPrintStream).
	 * 
	 */
	static ConsoleConnection single = new ConsoleConnection();
	static {
		Connector.setConsoleConnection(single);
	}
	/**
	 * No public constructor. Again, how do we a safe packet crossing. Let's try
	 * using Torur's friend concept ;-)
	 * 
	 * @param name
	 * @throws ConnectionNotFoundException
	 */
	@SCJAllowed
	ConsoleConnection() { // throws ConnectionNotFoundException {
	}

	@SCJAllowed
	public void close() throws IOException {
	}

	@SCJAllowed
	public InputStream openInputStream() throws IOException {
		return System.in;
	}

	@SCJAllowed
	public OutputStream openOutputStream() throws IOException {
		return System.out;
	}

	@Override
	public DataInputStream openDataInputStream() throws IOException {
		return null;
	}

	@Override
	public DataOutputStream openDataOutputStream() throws IOException {
		return null;
	}
}