To get started using JiBX, you just need to download the distribution zip file from and the offline version of this documentation, also included in the distribution. JiBX Tutorial, JiBX Example, JiBX Binding Example, JiBX jars download, jibx xml to java object, More info on these can be found in the JiBX documentation. You’ll end up with a directory named jibx, which contains all the JiBX JARs, documentation, examples, and even the source code.

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Unmarshalling is the reverse process of marshalling, building an object and potentially a graph of linked objects in memory from an XML representation.

You can also run all three targets documentafion sequence by listing them in order on the command line: The full schema is supplied as starter.

In this case, the decorator is a predefined one provided as part of the CodeGen distribution, which adds useful support methods for collection values. You’ll see more types of transformations controlled by customizations in the following sections of the tutorial.

XML schema to Java code

These sets of results are both from latebut our own testing shows that little has changed since then. CodeGen supports extensive customizations for many aspects of code and binding generation.

If you’re using Maven, you can use the JiBX repository at http: Licensed to the JiBX Project for free distribution and use. To do this, you need to include jibx-tools. You can try out these customizations by using the Ant custgen task instead of the codegen task documentstion just use the full task, which runs the complete sequence of targets clean custgen compile bind run.

JiBX: Getting Started

JiBX is also more flexible than mibx all other Java-XML tools, dockmentation binding definitions to decouple the Java structure from the XML representation so that each can be changed independently of the other. The Ant run1 target runs the test program using a data1. But the complexity of its binding definitions and its limited support for increasingly widely used XML schema definitions have frustrated users at times. The generated code for both of these instances is shown in Listing 2.


Listing 17 shows the same customizations as Listing 16restructured to use this alternative approach:. However, Java compilers and JVMs are not required to preserve this order from the source code, so some compilers doccumentation JVMs might cause BindGen to change the order of child elements. Customizations for schema components work by associating a customization element with the schema-definition element representing the component.

JiBX: Getting Started

The sample directory also contains a test program, org. What sets JiBX apart from the others are performance and flexibility features.

Once you’ve installed the distribution on your system, open the readme. The BindGen documentation in the JiBX download includes an example showing how customizations can supply BindGen with the equivalent of typed collections when you use pre-Java 5 code.

This will create a jibx directory that contains the distribution files, including a complete copy of this documentation. The set of customizations to be applied are passed to CodeGen as an XML document, with nested elements that relate to schemas or schema components.

That binding definition jixb actually the main output of BindGen, with the schema generated from the binding. You can also use the full task to run all of these steps in sequence. You can see from Listing 7 documentagion the description value is now missing from the schema representation, as specified by the customizations.

For simpleType restriction enumerations, such as the shipping type in Listing 1, CodeGen generates a Java 5 enum type by default. Listing 3 shows a simple test document matching the generated schema, included in the tutorial’s code download as data. Now download the tutorial sample codealso provided as a ZIP file. Listing 11 shows another awkward aspect of the generated data-model classes, in which a java. You can use tools included in the JiBX release to generate a schema definition matching your Java code or to generate Java code matching your schema definition.


It unmarshals sample documents using the generated data-model classes and then marshals the documents back out and compares the result with the original document.

You can inspect the generated out. The customizations reduce the generated class count to 9 top-level classes and 10 inner classes, for a total of This makes value object classes difficult to use for two-way conversions with BindGen.

JiBX: Getting Started with JiBX

The binding compiler adds bytecode to your compiled class files that actually implements the conversions to and from XML, as specified by the binding definition. You can go even further with JiBX by working with the actual binding definitions, which give you control over every step of the conversion process. If docuemntation install the sample code elsewhere, you can still use the Ant build. You don’t need a detailed understanding of XML schema definitions, but some familiarity with schema will help you understand the examples better.

If you want to be certain the XML representation will always be the documenttion no matter what Java compiler and JVM are used, the includes attribute gives you an easy way to fix the order.

Marshalling is the process of generating an XML representation for an object in memory, potentially including objects linked from the original object. Simplify the data model by excluding schema definition components not used in your documents Selectively ignore the content of portions of input documents Inline schema jbx which are only used in one place Support for generating both Java kibx enum and typed collections, and pre-Java 5 versions Change Java naming conventions and package usage Add your own custom extensions to the code generation for special handling The codegen examples show how to use the code and binding generation from schema, both with and without documenration.