Category Archives: Java EE

Github: WebSocket applications…

Posted on March 2, 2017 by Abhishek

I recently pushed a couple of WebSocket samples to Github. Both are based around the notion of a chat service – a canonical WebSocket example! These were originally meant to serve as additional material to the Java WebSocket API Handbook in order … Continue reading →

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Quick tip: managing Stateful EJBs in WebSocket endpoints

Posted on February 28, 2017 by Abhishek

@Stateful EJBs can be injected in WebSocket endpoints (supported by the WebSocket specification). There is an one-to-one association between the WebSocket client & endpoint (which is by default) as well as the injected Stateful EJB instance, which makes it an good candidate for storing … Continue reading →

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WebSocket endpoint as Singleton EJB

Posted on February 14, 2017 by Abhishek

By default … … a WebSocket implementation creates a new (server) endpoint instance per client. In case you need a single instance, you can implement this using a custom ServerEndpointConfig.Configurator (by overriding the getEndpointInstance method) The catch: you might have to sacrifice some … Continue reading →

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New release: Java WebSocket API handbook

Posted on January 24, 2017 by Abhishek

Happy to announce the initial release of the Java WebSocket API handbook. This is still a work in progress but moving at a strady pace. You can read this on Gitbook or grab your PDF/ePub/Mobi version from Leanpub   Here is … Continue reading →

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(eBook) ‘REST assured with JAX-RS’ now available on Gitbook

Posted on December 21, 2016 by Abhishek

    You can now read REST assured with JAX-RS online on Gitbook, or grab the PDF from Leanpub.. Happy reading!

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Using Asynchronous timeouts in the Java WebSocket API

Posted on December 6, 2016 by Abhishek

Sending messages in an asynchronous manner avoid blocking the sending thread. This is a great where your solution needs to scale in order to support a large number of clients. But there is a limit on how long can we … Continue reading →

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Started a new blog: Simply Distributed

Posted on December 1, 2016 by Abhishek

Hello readers! Happy to announce that I have recently initiated another blog – Simply Distributed. Some things to note about the blog it will revolve around topics in the Distributed Systems domain focus on real world distributed computing products & … Continue reading →

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Dynamic provider registration in JAX-RS

Posted on November 24, 2016 by Abhishek

The DynamicFeature class in JAX-RS (2.0) allows you to register providers Dynamically i.e. without any pre-defined binding strategy (e.g. annotations) Based on criteria i.e. to help decide which provider to bind to which JAX-RS resource(s) The JAX-RS implementation detects and executes … Continue reading →

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WebSocket and CDI integration.. again..

Posted on November 18, 2016 by Abhishek

In one of my older blog posts, I had written about what does not work as far as WebSocket and CDI integration within the Java EE Platform 😉 This one talks about what’s possible with CDI in terms of Dependency Injection Interceptors … Continue reading →

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Integrating Oracle Application Container & Database Cloud using ‘Service Bindings’

Posted on November 14, 2016 by Abhishek

Don’t forget to check out my new blog post on the Oracle Cloud Developer solutions community portal ! It demonstrates usage of Oracle Application Container Cloud and Database Cloud service. To be precise, it covers the following An introduction to Service … Continue reading →

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