HttpUploadClientHandler Class — netty Architecture

Source Code

example/src/main/java/io/netty/example/http/upload/HttpUploadClientHandler.java lines 30–79

public class HttpUploadClientHandler extends SimpleChannelInboundHandler<HttpObject> {

    private boolean readingChunks;

    @Override
    public void channelRead0(ChannelHandlerContext ctx, HttpObject msg) {
        if (msg instanceof HttpResponse) {
            HttpResponse response = (HttpResponse) msg;

            System.err.println("STATUS: " + response.status());
            System.err.println("VERSION: " + response.protocolVersion());

            if (!response.headers().isEmpty()) {
                for (CharSequence name : response.headers().names()) {
                    for (CharSequence value : response.headers().getAll(name)) {
                        System.err.println("HEADER: " + name + " = " + value);
                    }
                }
            }

            if (response.status().code() == 200 && HttpUtil.isTransferEncodingChunked(response)) {
                readingChunks = true;
                System.err.println("CHUNKED CONTENT {");
            } else {
                System.err.println("CONTENT {");
            }
        }
        if (msg instanceof HttpContent) {
            HttpContent chunk = (HttpContent) msg;
            System.err.println(chunk.content().toString(CharsetUtil.UTF_8));

            if (chunk instanceof LastHttpContent) {
                if (readingChunks) {
                    System.err.println("} END OF CHUNKED CONTENT");
                } else {
                    System.err.println("} END OF CONTENT");
                }
                readingChunks = false;
            } else {
                System.err.println(chunk.content().toString(CharsetUtil.UTF_8));
            }
        }
    }

    @Override
    public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) {
        cause.printStackTrace();
        ctx.channel().close();
    }
}