Example usage for io.netty.buffer CompositeByteBuf readerIndex

Introduction

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

Prototype

@Override
    public int readerIndex() 

Source Link

Usage

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

License:Open Source License

@SuppressWarnings("unchecked")

public <T> T convertTo(Class<T> type, Exchange exchange, Object value) {
    if (value instanceof CarbonMessage) {
        //Retrieving the Pipe from the carbon message
        Pipe pipe = ((CarbonMessage) value).getPipe();
        //Input stream used for building the desired message
        ByteBufInputStream byteBufInputStream = null;
        //Create a composite buffer from content chunks in the pipe
        CompositeByteBuf contentBuf = aggregateChunks(pipe);
        //Check whether we have any content to be processed
        if (contentBuf.capacity() != 0) {
            try {
                if (type.isAssignableFrom(Document.class)) {
                    //Convert the input stream into xml dom element
                    return (T) toDocument(contentBuf, exchange);
                } else if (type.isAssignableFrom(DOMSource.class)) {
                    return (T) toDOMSource(contentBuf, exchange);
                } else if (type.isAssignableFrom(SAXSource.class)) {
                    return (T) toSAXSource(contentBuf, exchange);
                } else if (type.isAssignableFrom(StAXSource.class)) {
                    return (T) toStAXSource(contentBuf, exchange);
                } else if (type.isAssignableFrom(StreamSource.class)) {
                    return (T) toStreamSource(contentBuf, exchange);
                } else if (type.isAssignableFrom(InputStream.class)) {
                    return (T) toInputStream(contentBuf, exchange);
                } else if (type.isAssignableFrom(String.class)) {
                    return (T) toString(contentBuf, exchange);
                }//from  w w w  . ja va  2s .c o  m
            } catch (UnsupportedEncodingException e) {
                log.error("Error occurred during type conversion", e);
            } finally {
                //Release the buffer if all the content has been consumed
                if (contentBuf.readerIndex() == contentBuf.writerIndex()) {
                    contentBuf.release();
                }
            }
        }

    }
    return null;
}

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