客户端和服务器端应用程序之间的通信

Question

I am working on a project of DBpedia entity summarization. I want first to turn a project API called SUMMARUM. In this project the author make two parts: a client part and server application part:

Server side: https://github.com/athalhammer/summaServer
Client side: https://github.com/athalhammer/summaClient

Now, I am reading some tutorials about servlet which aim to develop a server application. And from what I understand, a servlet life cycle can be defined from a set of functions: init() , service() , doGet() , doPost() , destroy() , ... and extends javax.servlet.http.HttpServlet .

The problem now, is that I didn't find the above functions in the summaServer project and I don't understand how to make a connection between the server side and the client side.

Answer 1

It uses jax-rs , not pure servlets
https://jax-rs-spec.java.net/
https://docs.oracle.com/javaee/6/tutorial/doc/giepu.html

Answer 2

As Dmitry already answered, summaServer uses jax-rs where the endpoint doesn't have to extend javax.servlet.http.HttpServlet .

What fooled you is that you can use use servlets as web service endpoints and the tutorials you read certainly do that. I would say this is the old fashion way.

Now, jax-rs and its annotation remove all the boilerplate you had to implement otherwise.