Here you can find the source of readBSInt(RandomAccessFile is)
final public static int readBSInt(RandomAccessFile is) throws IOException
//package com.java2s; /*//from w w w . j av a 2 s. c o m * SenUtils.java - utilities for Sen. * * Copyright (C) 2001, 2002 Takashi Okamoto <tora@debian.org> * * This library is free software; you can redistribute it and/or modify it under * the terms of the GNU Lesser General Public License as published by the Free * Software Foundation; either version 2.1 of the License, or any later version. * * This library 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 Lesser General Public License for more * details. * * You should have received a copy of the GNU Lesser General Public License * along with this library; if not, write to the Free Software Foundation, Inc., * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * */ import java.io.IOException; import java.io.InputStream; import java.io.RandomAccessFile; public class Main { final public static int readBSInt(InputStream is) throws IOException { int i1 = is.read(); int i2 = is.read(); int i3 = is.read(); int i4 = is.read(); return i1 + (i2 << 8) + (i3 << 16) + (i4 << 24); } final public static int readBSInt(RandomAccessFile is) throws IOException { int i1 = is.read(); int i2 = is.read(); int i3 = is.read(); int i4 = is.read(); i1 = ((((i1) >= 0) ? (i1) : (256 + i1))); i2 = ((((i2) >= 0) ? (i2) : (256 + i2))); i3 = ((((i3) >= 0) ? (i3) : (256 + i3))); i4 = ((((i4) >= 0) ? (i4) : (256 + i4))); return i1 + (i2 << 8) + (i3 << 16) + (i4 << 24); } }