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Tag Archives: JAXB

JAXB and java.util.Map

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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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JAXB tutorial – Getting Started

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Note: Check out our JAXB Tutorial for Java XML Binding – The ULTIMATE Guide What is JAXB? JAXB stands for Java architecture for XML binding.It is used to convert XML to java object and java object to XML.JAXB defines an API for reading and writing Java objects to and from XML documents.Unlike SAX and DOM,we don’t need to be aware ...

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JAXB – Representing Null and Empty Collections

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Demo Code The following demo code will be used for all the different versions of the Java model. It simply sets one collection to null, the second to an empty list, and the third to a populated list.             package package blog.xmlelementwrapper; import java.util.ArrayList; import javax.xml.bind.*; public class Demo { public static void main(String[] args) ...

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Applying a Namespace During JAXB Unmarshal

For some an XML schema is a strict set of rules for how the XML document must be structured. But for others it is a general guideline to indicate what the XML should look like. This means that sometimes people want to accept input that doesn’t conform to the XML schema for some reason. In this example I will demonstrate ...

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Rest using Jersey – Complete Tutorial with JAXB, Exception Handling and Client Program

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Recently I started working on a Restful web service project using Jersey API. There are some tutorials available online but I faced some issues with exception handling and I didn’t found anywhere complete project using JaxB and providing exception handling approach. So once I was able to create a Restful web service using Jersey API with exception handling and client ...

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JAXB and Root Elements

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@XmlRootElement is an annotation that people are used to using with JAXB (JSR-222). It’s purpose is to uniquely associate a root element with a class. Since JAXB classes map to complex types, it is possible for a class to correspond to multiple root elements. In this case @XmlRootElement can not be used and people start getting a bit confused. In ...

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JAXB – No Annotations Required

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There appears to be a misconception that annotations are required on the model in order to use a JAXB (JSR-222) implementation. The truth is that JAXB is configuration by exception, so annotations are only required when you want to override default behaviour. In this example I’ll demonstrate how to use JAXB without providing any metadata. Domain Model I will use ...

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EclipseLink MOXy as a JAXB provider

EclipseLink MOXy is a JAXB provider and is a compelling alternative to the default JAXB provider built into JDK. First a simple test to marshal a Java object to XML: This is the model: @XmlRootElement(name='MemberDetailsRequest', namespace='http://bk.org/memberservice/') @XmlAccessorType(XmlAccessType.FIELD) public class MemberDetailsRequest { public MemberDetailsRequest() { } public MemberDetailsRequest(Long id) { this.id = id; } private Long id; public Long getId() { ...

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Approaches to XML – Part 3 – JAXB

If you remember from Part 1 and Part 2, I’m covering different approaches to parsing XML messages using the outrageously corny scenario of Pete’s Perfect Pizza, the pizza company with big ideas. In this story, you are an employee of Pete’s and have been asked to implement a system for sending orders from the front desk to the kitchen and you came ...

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