Example usage for io.netty.buffer UnpooledByteBufAllocator UnpooledByteBufAllocator

Introduction

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

Prototype

public UnpooledByteBufAllocator(boolean preferDirect)

Source Link

Document

Create a new instance which uses leak-detection for direct buffers.

Usage

From source file:org.wso2.carbon.gateway.internal.mediation.camel.CarbonMessageTypeConverter.java

License:Open Source License

private CompositeByteBuf aggregateChunks(Pipe pipe) {
    ByteBufInputStream byteBufInputStream = null;
    //Create an instance of composite byte buffer to hold the content chunks
    CompositeByteBuf content = new UnpooledByteBufAllocator(true).compositeBuffer();
    try {/*from w  w w .j ava2s . c  om*/
        //Check whether the pipe is filled with HTTP content chunks up to last chunk
        while (pipe.isEmpty() || !pipe.isLastChunkAdded()) {
            Thread.sleep(10);
        }
        //Get a clone of content chunk queue from the pipe
        BlockingQueue<ContentChunk> clonedContent = pipe.getClonedContentQueue();
        //Traverse through the http content chunks and create the composite buffer
        while (true) {
            if (!clonedContent.isEmpty()) {
                //Retrieve the HTTP content chunk from cloned queue
                HttpContent chunk = ((HTTPContentChunk) clonedContent.take()).getHttpContent();
                // Append the content of the chunk to the composite buffer
                if (chunk.content().isReadable()) {
                    chunk.retain();
                    content.addComponent(chunk.content());
                    content.writerIndex(content.writerIndex() + chunk.content().readableBytes());
                }

            } else {
                //When all the content chunks are read, break from the loop
                break;
            }
        }
    } catch (Exception e) {
        log.error("Error occurred during conversion from CarbonMessage", e);
    }
    //Return the composite buffer
    return content;
}