Java FileChannel Read readFully(FileChannel channel, ByteBuffer buffer)

Description

read Fully

License

Apache License

Declaration

static ByteBuffer readFully(FileChannel channel, ByteBuffer buffer) throws IOException 

Method Source Code

//package com.java2s;
//License from project: Apache License 

import java.nio.channels.FileChannel;
import java.nio.ByteBuffer;
import java.nio.BufferUnderflowException;
import java.io.IOException;

public class Main {
    static ByteBuffer readFully(FileChannel channel, ByteBuffer buffer) throws IOException {
        int read = 0;
        while (buffer.hasRemaining() && read != -1) {
            read = channel.read(buffer);
        }/*from w  w w  .  j ava 2 s  .co  m*/
        if (buffer.hasRemaining()) {
            throw new BufferUnderflowException();
        }
        buffer.flip();
        return buffer;
    }
}

Related

1. readFully(FileChannel channel, ByteBuffer buffer, long ptr)
2. readFully(FileChannel channel, ByteBuffer dst)
3. readFully(FileChannel channel, long offset, ByteBuffer buf)
4. readFully(FileChannel fileChannel, long filePosition, ByteBuffer buffer)