Home » Author Archives: Blaise Doughan

Author Archives: Blaise Doughan

Team lead for the TopLink/EclipseLink JAXB & SDO implementations, and the Oracle representative on those specifications.

MOXy’s @XmlVariableNode – JSON Schema Example

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We are in the process of adding the ability to generate a JSON Schema from your domain model to EclipseLink MOXy.  To accomplish this we have created a new Variable Node mapping. In this post I will demonstrate the new mapping by mapping a Java model to a JSON Schema. You can try this out today using a nightly build ...

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MOXy is the New Default JSON-Binding Provider in GlassFish 4

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GlassFish 4 is now available offering the complete Java EE 7 (JSR-342) platform.  EclipseLink made some major contributions to this release.  The first is providing the JPA 2.1 (JSR-338) implementation.  The second which I’ll cover in this post is EclipseLink MOXy is now the default JSON-binding provider for JAX-RS applications. RESTful Service  CustomerService Normally a real service will be backed ...

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MOXy’s Object Graphs & Dynamic JAXB

java-interview-questions-answers

JAXB (JSR-222) makes it easy for you to convert instances of your domain classes to/from XML.  The EclipseLink MOXy implementation offers an extension called Dynamic JAXB where instead of real classes you have instances of a map like class called DynamicEntity. You can access the data on your DynamicEntity using get and set methods that take the property name (i.e. ...

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Introducing EclipseLink JPA-RS

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In a previous series of posts I covered how to create a JAX-RS service that leveraged JPA for the persistence layer.  EclipseLink contains a component called JPA-RS that can be used to easily and automatically expose a persistence unit as RESTful service (that supports XML and JSON messages).  MOXy provides the XML and JSON-binding for JPA-RS and things like bidirectional ...

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Java API for JSON Processing (JSR-353) – Stream APIs

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Java will soon have a standard set of APIs for processing JSON as part of Java EE 7. This standard is being defined as JSR 353 – Java API for JSON Processing (JSON-P) and it is currently at the Final Approval Ballot. JSON-P offers both object oriented and stream based approaches, in this post I will introduce the stream APIs. ...

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Binding to JSON & XML – Handling Collections

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One of EclipseLink JAXB (MOXy)‘s strengths is the ability to map an object model to both JSON and XML with a single set of metadata. The one weakness had been that you needed to compromise on the JSON key or XML element for collection properties. I’m happy to say that this issue has been solved in EclipseLink 2.5 (and EclipseLink ...

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JAXB and java.util.Map

java-interview-questions-answers

Is it ironic that it can be difficult to map the java.util.Map class in JAXB (JSR-222)? In this post I will cover some items that will make it much easier. Java Model Below is the Java model that we will use for this example. Customer The Customer class has a property of type Map . I chose this Map specifically ...

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Leveraging MOXy in your Web Service via JAX-WS Provider

java-interview-questions-answers

In previous articles I demonstrated how EclipseLink JAXB (MOXy) is directly integrated into the JAX-WS implementations in WebLogic (as of 12.1.1) and in GlassFish (as of 3.1.2). In this post I’ll demonstrate how to leverage MOXy in any application server by using the JAX-WS Provider class. Web Service The Provider mechanism in JAX-WS provides you a way to create a ...

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