Java File Write via ByteBuffer writeByte(WritableByteChannel channel, byte value)

Description

write Byte

License

BSD License

Declaration

public static void writeByte(WritableByteChannel channel, byte value) throws IOException 

Method Source Code

//package com.java2s;
/**// w  ww.  j a v a  2  s  .  c  o  m
 * This class is part of JCodec ( www.jcodec.org ) This software is distributed
 * under FreeBSD License
 * 
 * @author The JCodec project
 * 
 */

import java.io.IOException;

import java.nio.ByteBuffer;

import java.nio.channels.WritableByteChannel;

public class Main {
    public static void writeByte(WritableByteChannel channel, byte value) throws IOException {
        channel.write((ByteBuffer) ByteBuffer.allocate(1).put(value).flip());
    }

    public static void write(ByteBuffer to, ByteBuffer from) {
        if (from.hasArray()) {
            to.put(from.array(), from.arrayOffset() + from.position(), Math.min(to.remaining(), from.remaining()));
        } else {
            to.put(toArrayL(from, to.remaining()));
        }
    }

    public static byte[] toArrayL(ByteBuffer buffer, int count) {
        byte[] result = new byte[Math.min(buffer.remaining(), count)];
        buffer.duplicate().get(result);
        return result;
    }

    public static ByteBuffer duplicate(ByteBuffer bb) {
        ByteBuffer out = ByteBuffer.allocate(bb.remaining());
        out.put(bb.duplicate());
        out.flip();
        return out;
    }
}

Related

1. write(File file, String content, String encoding)
2. write(InputStream source, File target)
3. write(Path file, String content)
4. write(SeekableByteChannel channel, long start, byte[] bytes)
5. write24BitInteger(int integer, ByteOrder order)
6. writeBytes(Path file, byte[] bytes)
7. writeComment(File zipFile, String comment)
8. writeDataLengthsToHeader(FileOutputStream fpo)
9. writeDelimitedToOutputStream(byte[] bytes, OutputStream outputStream)