wffweb/src/main/java/com/webfirmframework/wffweb/util/ByteBufferUtil.java
public static ByteBuffer merge(final ByteBuffer... dataArray) {
        int totalCapacity = 0;
        for (final ByteBuffer data : dataArray) {
            totalCapacity += data.capacity();
        }
        final ByteBuffer wholeData = ByteBuffer.allocate(totalCapacity);
        for (final ByteBuffer data : dataArray) {
            wholeData.put(data);
        }
        wholeData.flip();

        return wholeData;
    }
public static ByteBuffer merge(final ByteBuffer... dataArray) {
        int totalCapacity = 0;
        for (final ByteBuffer data : dataArray) {
            totalCapacity += data.capacity();
        }
        final ByteBuffer wholeData = ByteBuffer.allocate(totalCapacity);
        for (final ByteBuffer data : dataArray) {
            wholeData.put(data);
        }
        wholeData.flip();

        return wholeData;
    }
Merges and returns ByteBuffer from the given dataArray. The ByteBuffer
will be returned after flip.

@param dataArray
the ByteByffers to merge
@return a single ByteBuffer after flip merged from all ByteBuffer objects
from dataArray.

@since 3.0.2