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I usually write my web services using PHP + Mysql, in a simplified way: reading the POST/GET params, connecting to the MySQL database and finally printing a JSON.
I'd like to check how to do this with a Java server, I've never programmed Java web servers and I'd like to know what should I study to learn to do it
Thanks
I'm supposing here that you have a good understand of java programming.
Fisrtly, I think you should understand java for web.
I recommend this book:
Head First Servlets and JSP
http://www.amazon.com/Head-First-Servlets-JSP-Certified/dp/0596516681/
Then you can learn web services with java:
Java Web Services: Up and Running
http://www.amazon.com/Java-Web-Services-Up-Running/dp/1449365116
Of course, there are many tutorials over the internet as well, but books give you a lot of background information.
I wanna suggest you garner understanding of the two main WebServices Architectures then decide which ones suit your case/use best
REST (GET,PUT,POST,DELETE,PATCH) JAX-RS
http://docs.oracle.com/javaee/6/tutorial/doc/giepu.html
vs SOAP bases JAX-WS
http://docs.oracle.com/javaee/5/tutorial/doc/bnayn.html
Comparing them:
Main differences between SOAP and RESTful web services in java
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I want to develop a Web application in which front end will be developed in HTML, C#, ASP.net and server side will be using JAVA ( JAX-RS jersey ).
So, the front end will be running on IIS server and java will be running on Tomcat server.
How to consume Java REST API from C#?
I mean is there any way to to communicate between two different servers ?
Note: This is my second time asking question on this platform, so I am sorry if my question doesn't make any sense.
Perhaps you can look into using the Spring framework. With the Spring framework, you can build a RESTful web service that has end-points with which your front-end can communicate. It works like the C# Web-Api, in that you can define a "base URL" and other specific URLs that you can link to a function in your Java code.
Spring website:
https://spring.io/
Some help to getting started:
http://www.journaldev.com/2552/spring-rest-example-tutorial-spring-restful-web-services
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I am new to Java environment. I have to create a java utility to extract information from an external application using web-services.For that I need to send an XML request and receive the response. I am browsing around the web and couldn't find any better article. I want to know how to send a XML request and print the request and the response using Java. Any good reference should also help.
Given that you are using Java, you should check out the Java specifications for
JAX-RS: Spec for Java REST services
JAX-WS: Spec for Java XML Web services (this roughly is the SOAP spec)
Both of these topics are extensive. FWIW REST seems to be the style-of-choice today. SOAP was prevalent several years back, but for several reasons (simplicity, ease of implementation), REST has surpassed SOAP. Of course if you have a target web service in mind, the style of the service makes the REST/SOAP choice for you.
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I have to create a RESTful web service. But, I was thinking for a generic RESTful web service for SOA. I don't know is it a good or bad idea for RESTful SOA.
How can I create generic web service which also satisfying REST concept.
Quite an endeavour.
At a first thought you would have to provide some kind of abstraction layer over the resources that you would typically expose. And that's just the API. Then you would have to execute custom logic for every resource you access.
The short answer is that it's not worth trying to figure out. Going with the typical solutions we have now is far better than over-generalising REST.
There is no one-size-fits-all.
I totally agree with #Gabriel Ruiu - "There is no one-size-fits-all."
But if you are thinking about building an API kind of thing (maybe a library) using which one could build RESTful Services easily, then you can generalize some of things and expose the features via your API.
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I'm developing a web service and as being new to the technology, I did a bit of research on the internet on the infrastructure software/technologies needed. Below are my findings and hope to get your precious opinion:
Application Server - Tomcat6
Web service engine - Axis2
Web service implementation - POJO
Accessing Database MySql - JPA (Only 5 simple tables)
Do they look good to you?
I'm thinking of using EJB3 for point3, but there are a lot of people on the internet (and this forum) saying EJB3 is not worth the effort, POJO will do. What's your view?
Thanks,
Sarah
Might be worth trying on programmers.stackexchange.com as its not specifically a coding question. For my 2 cents, I'd seriously consider whether you wanted to go down the SOAP route (Axis is SOAP only) or whether you should use REST.
Tomcat is usually a good choice for a server, as is MySQL for a DB. If you're going to use JPA, you need to choose a JPA implementation; the obvious one is Hibernate. If you do choose to use REST then I can recommend Jersey, which is Sun's reference implementation.
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I want to learn Java WebServices. I read couple of articles on IBM developer works but I think I am getting confused about where to start. My main interest is Restful webservices. Where can i start from? I also prefer book with web service development example based on eclipse platform.
I always find very useful response from this site and always respect the people who responds to all these questions, so as always this time too I am expecting top answers.
Thanks a lot
The Spring Framework has great support for RESTful web services in java. It is a huge library for web development in Java so it might be a bit heavy handed. However, in my experience you eventually end up needing a lot of what's provided by Spring whether you plan on it or not.
http://static.springsource.org/spring/docs/current/reference/mvc.html
So with Spring Web MVC, you can create web controllers that handle requests in a really clean way, something to the effect of (but not tested for exact correctness):
#Controller
public class PetController {
#RequestMapping("/pets/{petId}")
public void findPet(#PathVariable String petId) {
// implementation omitted
}
}
In terms of learning about RESTful web service design, I'd suggest RESTful Web Services by Richardson, Ruby, DHH.