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Tag Archives: Web Services

Expose Java service as a web service

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This tutorial addresses a most practical scenario which is being faced by a developer. Most of the time, We may need to expose some of our existing services as web services. This situation can be encountered in different stages of project life cycle. If It is the initial stage, then You are almost safe and You can well prepare for ...

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Web Services with JAX-WS on Tomcat

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Let us assume an enterprise is maintaining user authentication details in a centralized system. We need to create an AuthenticationService which will take credentials, validate them and return the status. The rest of the applications will use the AuthenticationService to authenticate the Users. Create AuthenticationService interface as follows: package com.sivalabs.caas.services; import javax.jws.WebService; import com.sivalabs.caas.domain.AuthenticationStatus; import com.sivalabs.caas.domain.Credentials; import com.sivalabs.caas.exceptions.AuthenticationServiceException; @WebService public ...

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JSON web service with Java and Axis2

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I have recently met a client who asking me to rebuild their legacy product using Java web service. They want it modular and easy to use. The first thing crossed my mind is using restful approach. But there is only thing that bothers me, Java restful approach is using XML!, I would prefer a simpler way to communicate, easy to ...

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Spring 3, Spring Web Services 2 & LDAP Security

spring-interview-questions-answers

This year started on a good note, another one of those “the deadline won’t change” / “skip all the red tape” / “Wild West” type of projects in which I got to figure out and implement some functionality using some relatively new libraries and tech for a change, well Spring 3 ain’t new but in the Java 5, weblogic 10(.01), ...

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Web-service learnings with Apache CXF

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In my last couple of projects I worked with web-services, creating them at some places and consuming them at others. I felt that the standard tasks like creating a client, creating a web service etc are quite straight forward and there are enough resources if you get stuck. But with web services, it is some trivial task that can take ...

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Web Services in Ruby, Python and Java

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Today I’ve had to prepare some examples to show that web services are interoperable. So I’ve created a simple web service in Java using Metro and launched it on Tomcat. Then tried to consume them using Python and Ruby. Here’s how it all finished… Web service in Java I’ve started with a simple web service in Java: package com.wordpress.jdevel.ws; import ...

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JAX–WS with Spring and Maven Tutorial

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Spring framework provides remoting support for web services via JAX–WS, in fact, as stated in Spring reference documentation, there are three ways of exposing Spring POJO services as a JAX–WS web services : Exposing Servlet – based web services (suitable for Java EE 5 environments) Exporting standalone web services (suitable when utilizing Sun’s JDK 1.6 build–in JAX–WS provider) Exporting web ...

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