Java ByteBuffer to Int readInt(ReadableByteChannel channel, ByteBuffer buffer)

Here you can find the source of readInt(ReadableByteChannel channel, ByteBuffer buffer)

Description

read Int

License

Open Source License

Declaration

public static Integer readInt(ReadableByteChannel channel, ByteBuffer buffer) throws IOException 

Method Source Code

//package com.java2s;
/**/*from w w w  .j  a v a2s  .  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 Integer readInt(ReadableByteChannel channel, ByteBuffer buffer) throws IOException {
        return readAndFlip(channel, buffer, 4) ? buffer.getInt() : null;
    }

    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. readInt(ByteBuffer buf)
  2. readInt(ByteBuffer buf, int length)
  3. readInt(ByteBuffer buf, int pos)
  4. readInt(ByteBuffer buffer)
  5. readInt(ByteBuffer buffer)
  6. readInt16(ByteBuffer bb)
  7. readInt32(ByteBuffer bb)
  8. readInt8(final ByteBuffer buffer)
  9. readIntEquals(ByteBuffer buf, int i, int j)