Java File Read via ByteBuffer readBytes(final String file)

Description

read Bytes

License

Open Source License

Declaration

public static ByteBuffer readBytes(final String file)
              throws IOException 

Method Source Code

//package com.java2s;
/*  Copyright (c) 2010 Xiaoyun Zhu
 * //www.ja va 2s.c om
 *  Permission is hereby granted, free of charge, to any person obtaining a copy  
 *  of this software and associated documentation files (the "Software"), to deal  
 *  in the Software without restriction, including without limitation the rights  
 *  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell  
 *  copies of the Software, and to permit persons to whom the Software is  
 *  furnished to do so, subject to the following conditions:
 *  
 *  The above copyright notice and this permission notice shall be included in  
 *  all copies or substantial portions of the Software.
 *  
 *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR  
 *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,  
 *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE  
 *  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER  
 *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,  
 *  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN  
 *  THE SOFTWARE.  
 */

import java.io.ByteArrayOutputStream;

import java.io.IOException;

import java.io.RandomAccessFile;

import java.nio.ByteBuffer;
import java.nio.channels.Channels;
import java.nio.channels.FileChannel;

public class Main {
    public static ByteBuffer readBytes(final String file)
            throws IOException {
        final ByteArrayOutputStream dataOut = new ByteArrayOutputStream();

        try (RandomAccessFile f = new RandomAccessFile(file, "r");
                final FileChannel fChannel = f.getChannel();) {
            fChannel.transferTo(0, fChannel.size(),
                    Channels.newChannel(dataOut));
        }
        return ByteBuffer.wrap(dataOut.toByteArray());
    }
}

Related

1. readBinaryFile(File file)
2. readBinaryFileAsFloats(String fileName)
3. readByte(String filePath)
4. readBytes(File f)
5. readBytes(final InputStream in, final int length)
6. readBytes(InputStream is)
7. readBytes(Path file)
8. readBytes(ReadableByteChannel channel, byte[] array)
9. readBytes(String file)