Java ByteBuffer Size pack(List buffers, int elements, int size)

Description

Utility method to pack bytes into a byte buffer from a list of ByteBuffers

License

Apache License

Parameter

Parameter	Description
buffers	A list of ByteBuffers representing the elements to pack
elements	The count of the elements
size	The size in bytes of the result buffer

Return

The packed ByteBuffer

Declaration

protected static ByteBuffer pack(List<ByteBuffer> buffers, int elements, int size) 

Method Source Code

//package com.java2s;
/*/*from  w w  w.ja v a  2s.  c  o m*/
 *
 *   Licensed 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.nio.ByteBuffer;

import java.util.List;

public class Main {
    /**
     * Utility method to pack bytes into a byte buffer from a list of ByteBuffers 
     * 
     * @param buffers A list of ByteBuffers representing the elements to pack
     * @param elements The count of the elements
     * @param size The size in bytes of the result buffer
     * @return The packed ByteBuffer
     */
    protected static ByteBuffer pack(List<ByteBuffer> buffers, int elements, int size) {
        ByteBuffer result = ByteBuffer.allocate(2 + size);
        result.putShort((short) elements);
        for (ByteBuffer bb : buffers) {
            result.putShort((short) bb.remaining());
            result.put(bb.duplicate());
        }
        return (ByteBuffer) result.flip();
    }
}

Related

1. markDifferencesWithBoxes(final BufferedImage image, final Point[] pixels, final int markingSizeX, final int markingSizeY)
2. maybeGrow(List l, int size)
3. needsThumbnail(BufferedImage image, int newSize)
4. newArgbBufferedImage(int width, int height)
5. overlapsPoints(BufferedImage inImage, int inX, int inY, int inWidth, int inHeight, Color inTextColour)
6. rescaleImage(BufferedImage img, int targetWidth, int targetHeight, Object hint)
7. rightSize(ByteBuffer in)
8. sameSize(BufferedImage im1, BufferedImage im2)
9. scanForDuplicates(BufferedImage leftImage, BufferedImage[] images, int i, int[] order, int width, int height)