Java ReadableByteChannel Read readFromChannel(ReadableByteChannel channel, ByteBuffer buffer)

Description

read From Channel

License

BSD License

Declaration

public static int readFromChannel(ReadableByteChannel channel, ByteBuffer buffer) throws IOException 

Method Source Code

//package com.java2s;
/**/*from www. j a  v  a  2 s.  c om*/
 * 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.ReadableByteChannel;

public class Main {
    public static int readFromChannel(ReadableByteChannel channel, ByteBuffer buffer) throws IOException {
        int rem = buffer.position();
        while (channel.read(buffer) != -1 && buffer.hasRemaining())
            ;
        return buffer.position() - rem;
    }

    public static final ByteBuffer read(ByteBuffer buffer, int count) {
        ByteBuffer slice = buffer.duplicate();
        int limit = buffer.position() + count;
        slice.limit(limit);
        buffer.position(limit);
        return slice;
    }

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

Related

1. readAllBytesOrNone(ReadableByteChannel channel, ByteBuffer buffer, int numBytes)
2. readAnerisHeader(ReadableByteChannel from, ByteBuffer buffer)
3. readBuffer(ReadableByteChannel chan, ByteBuffer buf)
4. readCharArray(ReadableByteChannel channel, ByteBuffer buffer, char[] charArray)
5. readFromAnerisChannel(ReadableByteChannel chan, ByteBuffer buffer)
6. readFull(ReadableByteChannel ch, ByteBuffer dst)
7. readFully(final ReadableByteChannel channel, final ByteBuffer buf)
8. readFully(final ReadableByteChannel channel, final ByteBuffer buf)
9. readFully(ReadableByteChannel channel, ByteBuffer b)