Java ByteBuffer Get transfer(ByteBuffer src, FileChannel target, long position, long count)

Description

transfer

License

Open Source License

Declaration

public static int transfer(ByteBuffer src, FileChannel target, long position, long count) throws IOException 

Method Source Code

//package com.java2s;
/*/*from ww w.  j  a  v  a 2  s  .c o  m*/
 * JLibs: Common Utilities for Java
 * Copyright (C) 2009  Santhosh Kumar T <santhosh.tekuri@gmail.com>
 *
 * 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 (at your option) 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.
 */

import java.io.IOException;

import java.nio.ByteBuffer;
import java.nio.channels.FileChannel;

public class Main {
    public static int transfer(ByteBuffer src, FileChannel target, long position, long count) throws IOException {
        int wrote;
        if (src.remaining() <= count) {
            wrote = target.write(src, position);
        } else {
            int srcLimit = src.limit();
            src.limit(src.position() + (int) count);
            try {
                wrote = target.write(src, position);
            } finally {
                src.limit(srcLimit);
            }
        }
        return wrote;
    }
}

Related

1. getVInt(ByteBuffer bf, int index)
2. getWithShortLength(ByteBuffer bb)
3. getZeroTerminatedStringBytes(ByteBuffer dataBuffer)
4. getZipEocdCentralDirectorySizeBytes(ByteBuffer zipEndOfCentralDirectory)
5. insertByteArray(byte[] source, ByteBuffer target)
6. transferUntilTargetPos(ByteBuffer src, ByteBuffer trg, int trgPos)
7. utf8ByteBuffer(String messageTemplate, Object... args)