Java DataInputStream to Object deserialiseByteArray(DataInputStream is, int max_length)

Here you can find the source of deserialiseByteArray(DataInputStream is, int max_length)

Description

deserialise Byte Array

License

Open Source License

Declaration

protected static byte[] deserialiseByteArray(DataInputStream is,
            int max_length)

    throws IOException 

Method Source Code

//package com.java2s;
/*/*from   w  w w.j  a v  a2 s.c o  m*/
 * Created on 21-Jan-2005
 * Created by Paul Gardner
 * Copyright (C) 2004 Aelitis, All Rights Reserved.
 *
 * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 * 
 * AELITIS, SARL au capital de 30,000 euros
 * 8 Allee Lenotre, La Grille Royale, 78600 Le Mesnil le Roi, France.
 *
 */

import java.io.*;

public class Main {
    protected static byte[] deserialiseByteArray(DataInputStream is,
            int max_length)

    throws IOException {
        int len = deserialiseLength(is, max_length);

        byte[] data = new byte[len];

        is.read(data);

        return (data);
    }

    protected static int deserialiseLength(DataInputStream is,
            int max_length)

    throws IOException {
        int len;

        if (max_length < 256) {

            len = is.readByte() & 0xff;

        } else if (max_length < 65536) {

            len = is.readShort() & 0xffff;

        } else {

            len = is.readInt();
        }

        if (len > max_length) {

            throw (new IOException("Invalid data length"));
        }

        return (len);
    }
}

Related

  1. deserialiseByteArrayArray(DataInputStream is, int max_length)
  2. deserialiseLength(DataInputStream is, int max_length)
  3. deserializeInt(DataInputStream din)
  4. deserializeIntArray(DataInputStream in)