SocketStrategyConsole.java

/*
 * Created by Andrey Cherkashin (acherkashin)
 * http://acherkashin.me
 * 
 * License
 * Copyright (c) 2015 Andrey Cherkashin
 * The project released under the MIT license: http://opensource.org/licenses/MIT
 */
package ragefist.core.network;

import java.io.IOException;
import java.net.ConnectException;
import java.nio.ByteBuffer;
import java.nio.charset.Charset;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

/**
 *
 * @author acherkashin
 */
public class SocketStrategyConsole implements ISocketStrategy
{
	private static final Charset _charset = Charset.defaultCharset();
	
	private final static ISocketStrategy _instance = new SocketStrategyConsole();
	public static final ISocketStrategy getInstance() { return _instance; }
	
	@Override
	public byte[][] readPackets(SocketClient socket, ByteBuffer readBuffer) throws IOException {
		List<byte[]> packets = new ArrayList<>();
		
		int bytesRead;
		while((bytesRead = socket.read(readBuffer)) > 0) {
			readBuffer.flip();
			byte[] bytes = new byte[readBuffer.remaining()];
			readBuffer.get(bytes, 0, bytes.length);
			
			int lastOffset = 0;
			for(int i = 0; i < bytes.length; i++) {
				if (bytes[i] == 13 && i + 1 < bytes.length && bytes[i + 1] == 10) { // \r\n
					packets.add(Arrays.copyOfRange(bytes, lastOffset, i));
					lastOffset = i + 2;
				}
			}
			readBuffer.clear();
		}
		if (bytesRead < 0) {
			throw new ConnectException();
		}
		byte[][] array = new byte[packets.size()][];
		for(int i = 0; i < array.length; i++) {
			byte[] byteArray = packets.get(i);
			array[i] = byteArray;
		}
		return array;
	}
	
	@Override
	public int writePacket(SocketClient socket, String packet) throws IOException {
		return socket.write(_charset.encode(packet));
	}
	
	@Override
	public int writePacket(SocketClient socket, byte[] bytes) throws IOException {
		ByteBuffer buffer = ByteBuffer.wrap(bytes);
		return socket.write(buffer);
	}
}