Java ByteBuffer Read readBuffer(ByteChannel channel, ByteBuffer buffer)

Description

reading buffer

License

Open Source License

Parameter

Parameter	Description
channel	byte channel
buffer	buffer

Exception

Parameter	Description
IOException	exception

Return

read bytes

Declaration

public static int readBuffer(ByteChannel channel, ByteBuffer buffer) throws IOException 

Method Source Code

//package com.java2s;
/*/*from w ww .j a  v  a 2s  .  com*/
 * Copyright (c) 2014, 2017, Marcus Hirt, Miroslav Wengner
 *
 * Robo4J 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.
 *
 * Robo4J 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 Robo4J. If not, see <http://www.gnu.org/licenses/>.
 */

import java.io.IOException;

import java.nio.ByteBuffer;
import java.nio.channels.ByteChannel;

public class Main {
    /**
     * reading buffer
     *
     * @param channel
     *            byte channel
     * @param buffer
     *            buffer
     * @return read bytes
     * @throws IOException
     *             exception
     */
    public static int readBuffer(ByteChannel channel, ByteBuffer buffer) throws IOException {
        int numberRead = channel.read(buffer);
        int position = 0;
        int totalRead = numberRead;
        while (numberRead >= 0 && position <= buffer.capacity()) {
            numberRead = channel.read(buffer);
            if (numberRead > 0) {
                totalRead += numberRead;
            }
            position++;
        }
        return totalRead;
    }
}

Related

1. readAsciiString(MappedByteBuffer buffer, int pos, int length)
2. readBE(ByteBuffer bb, int elementWidth)
3. readBoolean(ByteBuffer buff)
4. readBooleanArray(ByteBuffer in)
5. readBuf(ByteBuffer buffer)
6. readBufferFully(FileChannel fc, ByteBuffer buf, int startPos)
7. readByteBuffer(ByteBuffer buf)
8. readByteBufferFromFile(String filepath)
9. readChars(ByteBuffer bb, int length)