Java ByteBuffer Flip readAndFlip(ReadableByteChannel channel, ByteBuffer buffer, int bytes)

Description

read And Flip

License

Open Source License

Declaration

public static boolean readAndFlip(ReadableByteChannel channel, ByteBuffer buffer, int bytes)
            throws IOException 

Method Source Code

//package com.java2s;
/**//from   www . j  a v a 2s.c o m
 * Copyright (c) 2002-2014 "Neo Technology,"
 * Network Engine for Objects in Lund AB [http://neotechnology.com]
 *
 * This file is part of Neo4j.
 *
 * Neo4j is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

import java.io.IOException;

import java.nio.ByteBuffer;
import java.nio.channels.ReadableByteChannel;

public class Main {
    public static boolean readAndFlip(ReadableByteChannel channel, ByteBuffer buffer, int bytes)
            throws IOException {
        buffer.clear();
        buffer.limit(bytes);
        while (buffer.hasRemaining()) {
            int read = channel.read(buffer);

            if (read == -1) {
                return false;
            }
        }
        buffer.flip();
        return true;
    }
}

Related

1. flip(ByteBuffer[] buffers)
2. flip(ByteBuffer[] bufs)
3. flipPutFlip(ByteBuffer from, ByteBuffer to)
4. flipToFill(ByteBuffer buffer)
5. flipToFlush(ByteBuffer buffer, int position)
6. transfer(@Nonnull final ByteBuffer aSrcBuffer, @Nonnull final ByteBuffer aDstBuffer, final boolean bNeedsFlip)