To use or not to use Netty

[Shardul Bhatt]

Hi All,

I came across Netty when I was trying to look for solutions to one of my
project requirements. I have gone through the Netty documentation but am not
sure if Netty is the framework which fulfills my requirements.

Please find below the details of the problem I am trying to solve and
advise.

1. *The web based application I am working on would send
requests(asynchronously) to multiple 'service providers' looking for data
based on the search query.*

2. The providers would return results in various formats from XML to HTML
with varied time lapses. This means it is always possible that I would not
have all the data to display in a single go.

3. As I start receiving data/search results, I would need to parse the
responses(XML/HTML) and translate data in the format suitable for display.

4. I intend to use a Java implementation of 'Memcached' for storing all data
before it is displayed to the user.

I intend to explore and evaluate various options and wanted to know if Netty
is a framework which can help take care of 'sending async requests' to
various servers. I could always use multithreading in Java, but using a
framework would always be a preferred choice.

It would be something like

   /try{

        Response response1 = send(Request1);
        Response response2 = send(Request2);
        Response response3 = send(Request3);

        Response finalResponse = response1 + response2 + response 3;
        displayResults(finalResponse);

    }catch(...){
       .......
    }/

I want the requests to be sent asynchronously. Is this something that Netty
can accomplish? Please advise.

Thanks and Regards,
Shardul.

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