Java RandomAccessFile Read readLongLittleEndian( RandomAccessFile randomAccessFile)

Description

read Long Little Endian

License

Open Source License

Declaration

public static long readLongLittleEndian(
            RandomAccessFile randomAccessFile) throws IOException 

Method Source Code

//package com.java2s;
/*//from   w w  w .  ja  va2  s.  com
 * ====================================================================
 * Copyright (c) 2004-2012 TMate Software Ltd.  All rights reserved.
 *
 * This software is licensed as described in the file COPYING, which
 * you should have received as part of this distribution.  The terms
 * are also available at http://svnkit.com/license.html.
 * If newer versions of this license are posted there, you may use a
 * newer version instead, at your option.
 * ====================================================================
 */

import java.io.IOException;

import java.io.RandomAccessFile;

public class Main {
    private static final int BYTES_IN_LONG = Long.SIZE / 8;
    private static final byte[] BUFFER = new byte[BYTES_IN_LONG];

    public static long readLongLittleEndian(
            RandomAccessFile randomAccessFile) throws IOException {
        final int bytesRead = randomAccessFile.read(BUFFER, 0,
                BYTES_IN_LONG);
        if (bytesRead < 0) {
            return bytesRead;
        }
        long value = 0;
        for (int i = BYTES_IN_LONG - 1; i >= 0; i--) {
            value = (value << 8) + (BUFFER[i] & 0xffL);
        }
        return value;
    }
}

Related

1. readFile(String filePath)
2. readFileByRandomAccess(String fileName)
3. readFileBytes(final File file)
4. readFileFully(File f)
5. readLine(RandomAccessFile file, long position, int trim)