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Tag Archives: XML

Binding to JSON & XML – Handling Collections

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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JAXB tutorial – Getting Started

java-interview-questions-answers

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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10 XML Interview questions and answers for Java Programmer

XML Interview questions are very popular in various programming job interviews, including Java interviews for web developer. XML is a matured technology and often used as standard for transporting data from one platform other. XML Interview questions contains questions from various XML technologies like XSLT which is used to transform XML files, XPATH, XQuery and fundamentals of XML e.g. DTD ...

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Testing REST with multiple MIME types

spring-interview-questions-answers

1. Overview This article will focus on testing a RESTful Service with multiple Media Types/representations. This is the tenth of a series of articles about setting up a secure RESTful Web Service using Spring and Spring Security with Java based configuration.             The REST with Spring series: Part 1 – Bootstrapping a web application with ...

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JAXB – Representing Null and Empty Collections

java-interview-questions-answers

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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Don’t Use JSON And XML As Internal Transfer Formats http

You have a system that has multiple components and they have to communicate. They do that either via internal web services or using a message queue. Normally, you would want to send (data transfer) objects from one component to another. Three typical examples: a user has registered and you send a message to a message queue and whenever the message ...

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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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