--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/main/java/com/glavsoft/transport/Reader.java	Tue Jul 03 13:20:49 2012 +0900
@@ -0,0 +1,131 @@
+// Copyright (C) 2010, 2011 GlavSoft LLC.
+// All rights reserved.
+//
+//-------------------------------------------------------------------------
+// This file is part of the TightVNC software.  Please visit our Web site:
+//
+//                       http://www.tightvnc.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 2 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, write to the Free Software Foundation, Inc.,
+// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+//-------------------------------------------------------------------------
+//
+
+package com.glavsoft.transport;
+
+import com.glavsoft.exceptions.ClosedConnectionException;
+import com.glavsoft.exceptions.TransportException;
+
+import java.io.*;
+import java.nio.charset.Charset;
+
+public class Reader {
+	final static Charset ISO_8859_1 = Charset.forName("ISO-8859-1");
+	private final DataInputStream is;
+
+	public Reader(InputStream is) {
+		this.is = new DataInputStream(new BufferedInputStream(is));
+	}
+
+	public byte readByte() throws TransportException {
+		try {
+			byte readByte = is.readByte();
+			return readByte;
+		} catch (EOFException e) {
+			throw new ClosedConnectionException(e);
+		} catch (IOException e) {
+			throw new TransportException("Cannot read byte", e);
+		}
+
+	}
+
+	public int readUInt8() throws TransportException {
+		return readByte() & 0x0ff;
+	}
+
+	public int readUInt16() throws TransportException {
+		return readInt16() & 0x0ffff;
+	}
+
+	public short readInt16() throws TransportException {
+		try {
+			short readShort = is.readShort();
+			return readShort;
+		} catch (EOFException e) {
+			throw new ClosedConnectionException(e);
+		} catch (IOException e) {
+			throw new TransportException("Cannot read int16", e);
+		}
+	}
+
+	public long readUInt32() throws TransportException {
+		return readInt32() & 0xffffffffL;
+	}
+
+	public int readInt32() throws TransportException {
+		try {
+			int readInt = is.readInt();
+			return readInt;
+		} catch (EOFException e) {
+			throw new ClosedConnectionException(e);
+		} catch (IOException e) {
+			throw new TransportException("Cannot read int16", e);
+		}
+	}
+
+	/**
+	 * Read string by it length.
+	 * Use this method only when sure no character accept ASCII will be read.
+	 * Use readBytes and character encoding conversion instead.
+	 *
+	 * @return String read
+	 */
+	public String readString(int length) throws TransportException {
+        return new String(readBytes(length));
+	}
+
+	/**
+	 * Read 32-bit string length and then string themself by it length
+	 * Use this method only when sure no character accept ASCII will be read.
+	 * Use readBytes and character encoding conversion instead.
+	 *
+	 * @return String read
+	 * @throws TransportException
+	 */
+	public String readString() throws TransportException {
+		// unset most sighificant (sign) bit 'cause InputStream#readFully
+		// reads
+		// [int] length bytes from stream. Change when realy need read sthing more
+		// than
+		// 2147483647 bytes lenght
+		int length = readInt32() & Integer.MAX_VALUE;
+		return readString(length);
+	}
+
+	public byte[] readBytes(int length) throws TransportException {
+		byte b[] = new byte[length];
+		return readBytes(b, 0, length);
+	}
+
+	public byte[] readBytes(byte[] b, int offset, int length) throws TransportException {
+		try {
+			is.readFully(b, offset, length);
+			return b;
+		} catch (EOFException e) {
+			throw new ClosedConnectionException(e);
+		} catch (IOException e) {
+			throw new TransportException("Cannot read " + length + " bytes array", e);
+		}
+	}
+}
\ No newline at end of file