Java ByteBuffer Write writeFully(FileChannel fc, ByteBuffer buf, long offset)

Description

Write a ByteBuffer to a FileChannel at a given offset, handling short writes.

License

Apache License

Parameter

Parameter	Description
fc	The FileChannel to write to
buf	The input buffer
offset	The offset in the file to start writing at

Exception

Parameter	Description
IOException	On I/O error

Declaration

public static void writeFully(FileChannel fc, ByteBuffer buf,
        long offset) throws IOException 

Method Source Code

//package com.java2s;
/**/*  w ww  .j a v a 2 s  . c o m*/
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import java.io.*;

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

public class Main {
    /**
     * Write a ByteBuffer to a FileChannel at a given offset,
     * handling short writes.
     *
     * @param fc               The FileChannel to write to
     * @param buf              The input buffer
     * @param offset           The offset in the file to start writing at
     * @throws IOException     On I/O error
     */
    public static void writeFully(FileChannel fc, ByteBuffer buf,
            long offset) throws IOException {
        do {
            offset += fc.write(buf, offset);
        } while (buf.remaining() > 0);
    }
}

Related

1. writeFully(ByteBuffer buf, WritableByteChannel out)
2. writeFully(ByteBuffer buffer, WritableByteChannel channel)
3. writeFully(FileChannel channel, ByteBuffer fileInfosBuffer)
4. writeFully(FileChannel channel, ByteBuffer src)
5. writeFully(FileChannel channel, long offset, ByteBuffer buf)
6. writeFully(FileChannel fileChannel, long filePosition, ByteBuffer buffer)
7. writeFully(final FileChannel channel, final ByteBuffer dst, final long position)
8. writeFully(final WritableByteChannel channel, final ByteBuffer buf)
9. writeFully(WritableByteChannel bc, ByteBuffer buf)