Home » Tag Archives: Web Services

Tag Archives: Web Services

Approval specific web services in Oracle IDM

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This is quick post with regards to the web service endpoints which are leveraged by OIM and SOA in the context of an approval related scenario – basic stuff, but can be useful for beginners. Oracle IDM integrates with and leverages the SOA suite for approval related features (SOA is quite rich to be honest and is utilized as the ...

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Do you really understand @WebService ?

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SOAP web services are not cutting edge technology by any means – although it still has it’s place, REST based web services are offering tough competition. Anyway – this is definitely not a REST vs SOAP post ! I have observed a few instances where Java based SOAP web services have been used in an less than ideal manner to ...

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Developing a top-down Web Service project

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This is a sample chapter taken from the Advanced JAX-WS Web Services book edited by Alessio Soldano. The bottom-up approach for creating a Web Service endpoint has been introduced in the first chapter. It allows exposing existing beans as Web Service endpoints very quickly: in most cases, turning the classes into endpoints is a matter of simply adding few annotations ...

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Step by Step Web Service guide

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To learn more on web services let’s first understand the concept of the service oriented architecture.   What is Service Oriented Architecture? Service Oriented Architecture is a software design principle and architectural design pattern to represent self contained unit of functionalities called service. SOA promotes design principles involving loose coupling, reusablility and coarse grained services. In Enterprise Architecture terms SOA ...

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Signing SOAP Messages – Generation of Enveloped XML Signatures

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Digital signing is a widely used mechanism to make digital contents authentic. By producing a digital signature for some content, we can let another party capable of validating that content. It can provide a guarantee that, is not altered after we signed it, with this validation. With this sample I am to share how to generate the a signature for ...

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Creating contract-first web services with Spring WS

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1 Introduction This article explains how to implement and test a SOAP web service using the Spring Web Services project. This example uses JAXB2 for (un)marshalling. To develop the service, I’ll use the contract-first approach, which consists in definning the service contract first, and based on this contract implement the service. The article is divided into the following sections:   ...

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Project Student: Webservice Integration

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This is part of Project Student. Other posts are Webservice Client With Jersey, Webservice Server with Jersey, Business Layer, Persistence with Spring Data and Sharding Integration Test Data. Earlier we successfully ran integration tests for both the persistence/business layer (using an embedded H2 database) and the REST server/client layers (using a Jetty server). It’s time to knit everything together. Fortunately ...

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WS-Security: using BinarySecurityToken for authentication

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As we all know, one goal set by WS-Security is to enforce integrity and/or confidentially on SOAP messages. In case of integrity, the signature which is added to the SOAP message is the result of a mathematical process involving the private key of the sender resulting in an encrypted message digest. Most frameworks, such as WSS4J, will by default only ...

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Developing SOAP Web service using Apache CXF

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In last post I walked through the steps for developing a simple RESTFull service using apache CXF.  In this post I will be talking about developing SOAP web service using CXF. Before moving forward let us understand few of the concepts/elements which makes up a SOAP web service SOAP or Simple Object Access Protocol  SOAP is a protocol for exchanging ...

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