Example usage for io.netty.util.internal EmptyArrays EMPTY_BYTE_BUFFERS

Introduction

In this page you can find the example usage for io.netty.util.internal EmptyArrays EMPTY_BYTE_BUFFERS.

Prototype

ByteBuffer[] EMPTY_BYTE_BUFFERS

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Usage

From source file:net.tomp2p.storage.AlternativeCompositeByteBuf.java

License:Apache License

@Override
public ByteBuffer[] nioBuffers(int index, int length) {
    checkIndex(index, length);// w  w w.  j  av a  2s.  co  m
    if (length == 0) {
        return EmptyArrays.EMPTY_BYTE_BUFFERS;
    }

    List<ByteBuffer> buffers = new ArrayList<ByteBuffer>(components.size());
    int i = findIndex(index);
    while (length > 0) {
        Component c = components.get(i);
        ByteBuf s = c.buf;
        int adjustment = c.offset;
        int localLength = Math.min(length, s.readableBytes() - (index - adjustment));
        switch (s.nioBufferCount()) {
        case 0:
            throw new UnsupportedOperationException();
        case 1:
            buffers.add(s.nioBuffer(index - adjustment, localLength));
            break;
        default:
            Collections.addAll(buffers, s.nioBuffers(index - adjustment, localLength));
        }

        index += localLength;
        length -= localLength;
        i++;
    }

    return buffers.toArray(new ByteBuffer[buffers.size()]);
}

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