Here you can find the source of bytesToInt(byte[] b)
| Parameter | Description |
|---|---|
| b | an array of bytes of length >= 4 |
public static int bytesToInt(byte[] b)
//package com.java2s; /**// w ww . j a v a2 s . c o m * OrbisGIS is a GIS application dedicated to scientific spatial simulation. * This cross-platform GIS is developed at French IRSTV institute and is able to * manipulate and create vector and raster spatial information. * * OrbisGIS is distributed under GPL 3 license. It is produced by the "Atelier SIG" * team of the IRSTV Institute <http://www.irstv.fr/> CNRS FR 2488. * * Copyright (C) 2007-2012 IRSTV (FR CNRS 2488) * * This file is part of OrbisGIS. * * OrbisGIS 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. * * OrbisGIS 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 * OrbisGIS. If not, see <http://www.gnu.org/licenses/>. * * For more information, please consult: <http://www.orbisgis.org/> * or contact directly: * info_at_ orbisgis.org */ public class Main { private static final int BYTESIZE = 0xFF; /** * Converts a byte array into an integer. * * Byte order: big endian * * Only the first four bytes of the argument are used. * @param b an array of bytes of length >= 4 * @return the corresponding integer */ public static int bytesToInt(byte[] b) { if (b.length < 4) { throw new IllegalArgumentException("The length of the byte array should be >= 4"); } return ((b[3] & BYTESIZE)) + ((b[2] & BYTESIZE) << 8) + ((b[1] & BYTESIZE) << 16) + ((b[0] & BYTESIZE) << 24); } }