Example usage for io.netty.buffer CompositeByteBuf addComponents

Introduction

In this page you can find the example usage for io.netty.buffer CompositeByteBuf addComponents.

Prototype

public CompositeByteBuf addComponents(int cIndex, Iterable<ByteBuf> buffers) 

Source Link

Document

Add the given ByteBuf s on the specific index Be aware that this method does not increase the writerIndex of the CompositeByteBuf .

Usage

From source file:divconq.http.multipart.AbstractMemoryHttpData.java

License:Apache License

@Override
public void addContent(ByteBuf buffer, boolean last) throws IOException {
    if (buffer != null) {
        long localsize = buffer.readableBytes();
        checkSize(size + localsize);//from w ww  .  j  a v a 2 s.  c o m
        if (definedSize > 0 && definedSize < size + localsize) {
            throw new IOException("Out of size: " + (size + localsize) + " > " + definedSize);
        }
        size += localsize;
        if (byteBuf == null) {
            byteBuf = buffer;
        } else if (byteBuf instanceof CompositeByteBuf) {
            CompositeByteBuf cbb = (CompositeByteBuf) byteBuf;
            cbb.addComponent(buffer);
            cbb.writerIndex(cbb.writerIndex() + buffer.readableBytes());
        } else {
            CompositeByteBuf cbb = compositeBuffer(Integer.MAX_VALUE);
            cbb.addComponents(byteBuf, buffer);
            cbb.writerIndex(byteBuf.readableBytes() + buffer.readableBytes());
            byteBuf = cbb;
        }
    }
    if (last) {
        setCompleted();
    } else {
        if (buffer == null) {
            throw new NullPointerException("buffer");
        }
    }
}

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From source file:org.elasticsearch.hadoop.transport.netty4.Netty4Utils.java

License:Apache License

/**
 * Turns the given BytesReference into a ByteBuf. Note: the returned ByteBuf will reference the internal
 * pages of the BytesReference. Don't free the bytes of reference before the ByteBuf goes out of scope.
 */// w w w  . j a va2 s  . c om
public static ByteBuf toByteBuf(final BytesReference reference) {
    if (reference.length() == 0) {
        return Unpooled.EMPTY_BUFFER;
    }
    if (reference instanceof ByteBufBytesReference) {
        return ((ByteBufBytesReference) reference).toByteBuf();
    } else {
        final BytesRefIterator iterator = reference.iterator();
        // usually we have one, two, or three components
        // from the header, the message, and a buffer
        final List<ByteBuf> buffers = new ArrayList<>(3);
        try {
            BytesRef slice;
            while ((slice = iterator.next()) != null) {
                buffers.add(Unpooled.wrappedBuffer(slice.bytes, slice.offset, slice.length));
            }
            final CompositeByteBuf composite = Unpooled.compositeBuffer(buffers.size());
            composite.addComponents(true, buffers);
            return composite;
        } catch (IOException ex) {
            throw new AssertionError("no IO happens here", ex);
        }
    }
}

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From source file:org.elasticsearch.http.nio.ByteBufUtils.java

License:Apache License

/**
 * Turns the given BytesReference into a ByteBuf. Note: the returned ByteBuf will reference the internal
 * pages of the BytesReference. Don't free the bytes of reference before the ByteBuf goes out of scope.
 *//*from  w w  w.j a va2s  .com*/
static ByteBuf toByteBuf(final BytesReference reference) {
    if (reference.length() == 0) {
        return Unpooled.EMPTY_BUFFER;
    }
    if (reference instanceof ByteBufBytesReference) {
        return ((ByteBufBytesReference) reference).toByteBuf();
    } else {
        final BytesRefIterator iterator = reference.iterator();
        // usually we have one, two, or three components from the header, the message, and a buffer
        final List<ByteBuf> buffers = new ArrayList<>(3);
        try {
            BytesRef slice;
            while ((slice = iterator.next()) != null) {
                buffers.add(Unpooled.wrappedBuffer(slice.bytes, slice.offset, slice.length));
            }
            final CompositeByteBuf composite = Unpooled.compositeBuffer(buffers.size());
            composite.addComponents(true, buffers);
            return composite;
        } catch (IOException ex) {
            throw new AssertionError("no IO happens here", ex);
        }
    }
}

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