JAXB Tools

Welcome to the most advanced and feature-full sets of JAXB-related tools.

The project is currently containing the following tools :

JAXB Maven Plugin
JAXB Plugins
Annox
JAXB Annotate Plugin
JAXB Hyperjaxb3 (Preview)

Please check our Migration Guide for any questions about migrating from previous releases to newers one.

Compatibility and Java Versions

Version	Maven	JDK	JAXB	JPA (HyperJaxb3)
From 4.0.2	3.1.0	11	4.0	3.1
4.0.0	2.x and 3.x	11	4.0	3.1
From 3.0.2 until 4.0.0	3.1.0	8	3.0	3.0
3.0.0 and 3.0.1	2.x and 3.x	8	3.0	3.0
From 2.0.10 until 3.0.0	3.1.0	8	2.3	2.2
From 2.0.0 until 2.0.10	2.x and 3.x	8	2.3	2.2

The build is tested against JDK11, JDK17 and JDK21 (also JDK8 for versions before v4).

Documentation

Please refer to the wiki for the full documentation.

Jakarta Slack Join the #jaxb channel on Jakarta EE Slack
User Guide
Maven Documentation
Configuration Cheat Sheet
Common Pitfalls and Problems (Work in progress)
Best Practices (Work in progress)
FAQ
Sample Projects
Support
License
JAXB Eclipse Project

Disclaimer

This project is not developed, supported or in any other way affiliated with Apache, Eclipse or Oracle.

It was a completely independent development by its creator, Alexey Valikov.

It is now maintained by a group of people who are interested in keeping jaxb-tools working with future versions of Java and Jakarta.

JAXB Maven Plugin

This Maven plugin generates Java classes during Maven builds from XML Schemas (as well as WSDL, DTDs, RELAX NG formats).

It wraps and enhances the JAXB Schema Compiler (XJC) with its own set of plugins and customization points.

Quick start

Put your schemas (*.xsd) and bindings (*.xjb) into the src/main/resources folder.
Add the plugin to your pom.xml:

<project ...>
  ...
  <build>
    <plugins>
      <plugin>
        <groupId>org.jvnet.jaxb</groupId>
        <artifactId>jaxb-maven-plugin</artifactId>
        <version>4.0.8</version>
        <executions>
          <execution>
            <goals>
              <goal>generate</goal>
            </goals>
          </execution>
        </executions>
      </plugin>
    </plugins>
  </build>
  ...
</project>

JAXB Versions

The current version 4.X of this plugin supports only JAXB 4.X (Jakarta based).

Versions 2.X and 3.X supports JAXB 2.3 and JAXB 3.0 with JDK8 support and baseline :

org.jvnet.jaxb:jaxb-maven-plugin:3.0.1 - JAXB 3.0
org.jvnet.jaxb:jaxb-maven-plugin:2.0.9 - JAXB 2.3

If you need an older JAXB version, you can use one of the following variants, which are no longer supported :

org.jvnet.jaxb2.maven2:maven-jaxb22-plugin:0.15.1 - JAXB 2.2.
org.jvnet.jaxb2.maven2:maven-jaxb21-plugin:0.15.2 - JAXB 2.1.
org.jvnet.jaxb2.maven2:maven-jaxb20-plugin:0.15.2 - JAXB 2.0.

Similar Projects

If you experience issues with the Mojohaus JAXB2 Maven Plugin (org.codehaus.mojo:jaxb2-maven-plugin), please file it on their project page.

JAXB Plugins

JAXB Plugins (former JAXB Basics) is an open source project which provides useful plugins and tools for JAXB 4.x reference implementation.

For the current version 4.X and the previous version 3.X, its artifacts are named org.jvnet.jaxb:jaxb-plugins, while the previous verions 2.X were named org.jvnet.jaxb:jaxb2-basics. So, please replace all "jaxb2-basics" with "jaxb-plugins" in the following documentations (also in wiki) if you use versions 3.X and 4.X.

Documentation

Please refer to the wiki for documentation.

JAXB Basics can only be used with JAXB/XJC 4.x.

Using JAXB Basics

Using JAXB Basics Plugins

JAXB Basics Plugins

SimpleEquals Plugin - generates runtime-free reflection-free equals(...) methods.
SimpleHashCode Plugin - generates runtime-free reflection-free hashCode() methods.
Equals Plugin - generates reflection-free strategic equals(...) method.
HashCode Plugin - generates reflection-free strategic hashCode() method.
ToString Plugin - generates reflection-free strategic toString() methods.
Copyable Plugin - generates reflection-free strategic copy(...) deep copying.
Mergeable Plugin - generates reflection-free strategic merge(...) methods to merge data from two source objects into the given object.
Inheritance Plugin - makes schema-derived classes extend certain class or implement certain interfaces.
Wildcard Plugin - allows you to specify the wildcard mode for the wildcard properties.
AutoInheritance Plugin - makes classes derived from global elements or complex types extend or implement certain classes or interfaces automatically.
Setters Plugin - generates setters for collections.
Simplify Plugin - simplifies weird properties like aOrBOrC.
EnumValue Plugin - makes all the generated enums implement the EnumValue<T> interface.
JAXBIndex Plugin - generated jaxb.index files listing schema-derived classes.
FixJAXB1058 Plugin - fixes JAXB-1058.
Commons Lang Plugin - generates the toString(), hashCode() and equals() methods using Apache commons-lang3.
Default Value Plugin - modifies the JAXB code model to set default values to the schema default attribute.
Fluent API Plugin - support a fluent api in addition to the default (JavaBean) setter methods.
Namespace Prefix Plugin - adds jakarta.xml.bind.annotation.XmlNs annotations to package-info.java files
Value Constructor Plugin - generates another constructor, taking an argument for each field in the class and initialises the field with the argument value.
Boolean Getter Plugin - generates getters for boolean property in getXXX instead of isXXX.
CamelCase Plugin - modifies the classes name generated by XJC to always be in CamelCase.
Xml ElementWrapper Plugin - generates jakarta.xml.bind.annotation.XmlElementWrapper annotation to simplify generated structure.
Parent Pointer Plugin - generates getter in child elements to get the parent object (depends on jaxb-plugins-runtime)
Property Listener Injector Plugin - adds methods in order to configure the generation of events on each setXXX method

Credits

Many thanks to James Annesley for his ideas and help with the SimpleEquals Plugin and the SimpleHashCode Plugin.

Annox

Parse Java annotations from text or XML resources.

Please refer to the wiki for documentation.

// Parse annotation from the string
XAnnotation<XmlRootElement> xannotation =
	(XAnnotation<XmlRootElement>) XAnnotationParser.INSTANCE.parse
		("@jakarta.xml.bind.annotation.XmlRootElement(name=\"foo\")");

// Create an instance of the annotation
XmlRootElement xmlRootElement = xannotation.getResult();
assertEquals("foo", xmlRootElement.name());
assertEquals("##default", xmlRootElement.namespace());

// Analyze the structure of the annotation
assertEquals(String.class, xannotation.getFieldsMap().get("name").getType());
assertEquals("##default", xannotation.getFieldsMap().get("namespace").getResult());

JAXB Annotate Plugin

JAXB Annotate Plugin is capable of adding or removing arbitrary annotations to/from the generated sources.

It is also capable of removing all XML related annotations from the generated sources and also the ObjectFactory. This new capability can be used in order to generate plain Java POJO from XSD without depending on JAXB artifacts.

Please refer to the wiki for documentation.

Usage overview

Annotate your schema using binding files or directly in schema
Add the plugin to the XJC classpath.
Add your annotation classes to the XJC classpath.
Activate the plugin using -Xannotate-switch.

Providing annotations

You can annotate your schema-derived elements using normal Java annotation syntax. (Old XML syntax is still supported but no longer recommended.)

Current limitations:

Annotation classes must be known in compile time. I.e. annotation classes must be made available in the XJC classpath. If you want to use your own annotations, you have to pre-compile them and add your annotation classes to the XJC classpath.
As a consequence, currently you can't use schema-derived enums in your annotations. Since you have to compile annotations before compiling the schema - and as your enums are first generated from the schema, this is a chicken-and-egg-problem.
All class names (classes of annotations or classes you use as values in annotations) must be fully qualified. Inner classes should use the dot (.) as delimiter (not $).

You can put your annotations directly in schema:

<xsd:schema
        xmlns:xsd="http://www.w3.org/2001/XMLSchema"
        xmlns:jaxb="https://jakarta.ee/xml/ns/jaxb"
        jaxb:version="3.0"
        xmlns:annox="urn:jaxb.jvnet.org:annox"
        jaxb:extensionBindingPrefixes="annox">


    <xsd:complexType name="FooType">
        <xsd:annotation>
            <xsd:appinfo>
                <annox:annotate>@java.lang.SuppressWarnings({"unchecked","rawtypes"})</annox:annotate>
                <annox:annotate target="package">@jakarta.annotation.Generated({"XJC","JAXB Annotate Plugin"})</annox:annotate>
            </xsd:appinfo>
        </xsd:annotation>
        <xsd:sequence>
            <xsd:element name="bar" type="xsd:string"/>
            <xsd:element name="foobar" type="xsd:string">
                <xsd:annotation>
                    <xsd:appinfo>
                        <annox:annotate>@java.lang.SuppressWarnings({"unchecked","rawtypes"})</annox:annotate>
                        <annox:annotate target="setter">@java.lang.Deprecated</annox:annotate>
                        <annox:annotate target="setter-parameter">@java.lang.Deprecated</annox:annotate>
                        <annox:annotate target="getter">@java.lang.Deprecated</annox:annotate>
                        <annox:annotate target="field">@java.lang.Deprecated</annox:annotate>
                        <annox:annotate target="class">@java.lang.Deprecated</annox:annotate>
                    </xsd:appinfo>
                </xsd:annotation>
            </xsd:element>
        </xsd:sequence>
    </xsd:complexType>

    <xs:simpleType name="FooEnum">
        <xs:annotation>
            <xs:appinfo>
                <annox:annotateEnumValueMethod>@java.lang.Deprecated</annox:annotateEnumValueMethod>
            </xs:appinfo>
        </xs:annotation>

        <xs:restriction base="xs:string">
            <xs:enumeration value="BAR"/>
            <xs:enumeration value="BAZ"/>
        </xs:restriction>
    </xs:simpleType>

</xsd:schema>

Or in binding files:

<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<jaxb:bindings
        xmlns:jaxb="https://jakarta.ee/xml/ns/jaxb" xmlns:xs="http://www.w3.org/2001/XMLSchema"
        xmlns:xjc="http://java.sun.com/xml/ns/jaxb/xjc"
        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
        xmlns:annox="urn:jaxb.jvnet.org:annox"
        xsi:schemaLocation="https://jakarta.ee/xml/ns/jaxb https://jakarta.ee/xml/ns/jaxb/bindingschema_3_0.xsd"
        jaxb:extensionBindingPrefixes="xjc annox"
        version="3.0">

    <jaxb:bindings schemaLocation="schema.xsd" node="/xs:schema">
        <jaxb:bindings node="xs:complexType[@name='issueJIIB39CType']">
            <annox:annotateClass>@jakarta.xml.bind.annotation.XmlRootElement(name="IssueJIIB39CType")</annox:annotateClass>
        </jaxb:bindings>
        <jaxb:bindings node="xs:complexType[@name='issueJIIB39CType']/xs:attribute[@name='test']">
            <annox:annotate target="field">@javax.xml.bind.annotation.XmlAttribute(required=false, name="test")</annox:annotate>
        </jaxb:bindings>
    </jaxb:bindings>

</jaxb:bindings>

You can use the following customization elements in the urn:jaxb.jvnet.org:annox namespace:

annotate with the optional target attribute
package
class
getter
setter
setter-parameter
field
enum-value-method
enum-fromValue-method
annotateProperty
annotatePackage
annotateClass
annotateElement
annotateEnum
annotateEnumConstant
annotateEnumValueMethod - annotate the value() method of the enum
annotateEnumFromValueMethod - annotate the fromValue(String) method of the enum

The urn:jaxb.jvnet.org:annox namespace must be declared in the jaxb:extensionBindingPrefixes attribute via prefix, ex.:

xmlns:annox="urn:jaxb.jvnet.org:annox"
jaxb:extensionBindingPrefixes="xjc annox"

Note: the previous http://annox.dev.java.net namespace is still supported but no longer exists. We decided to change this namespace but keep older one too to avoid breaking older builds. Please migrate to new namespace of the plugin urn:jaxb.jvnet.org:annox.

Removing annotations

Customize your schema using binding files or directly in schema
Add the plugin to the XJC classpath.
Activate the plugin using -XremoveAnnotation-switch.

You can remove annotations using customizations directly in schema:

<xsd:schema
        xmlns:xsd="http://www.w3.org/2001/XMLSchema"
        xmlns:jaxb="https://jakarta.ee/xml/ns/jaxb"
        jaxb:version="3.0"
        xmlns:annox="urn:jaxb.jvnet.org:annox"
        jaxb:extensionBindingPrefixes="annox">

    <xsd:complexType name="FooType">
        <xsd:annotation>
            <xsd:appinfo>
                <annox:removeAnnotation class="jakarta.xml.bind.annotation.XmlType" />
            </xsd:appinfo>
        </xsd:annotation>
        <xsd:sequence>
            <xsd:element name="bar" type="xsd:string"/>
            <xsd:element name="foobar" type="xsd:string">
                <xsd:annotation>
                    <xsd:appinfo>
                        <annox:removeAnnotation class="jakarta.xml.bind.annotation.XmlElement" target="field" />
                    </xsd:appinfo>
                </xsd:annotation>
            </xsd:element>
        </xsd:sequence>
    </xsd:complexType>

</xsd:schema>

Or in binding files:

<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<jaxb:bindings
        xmlns:jaxb="https://jakarta.ee/xml/ns/jaxb" xmlns:xs="http://www.w3.org/2001/XMLSchema"
        xmlns:xjc="http://java.sun.com/xml/ns/jaxb/xjc"
        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
        xmlns:annox="urn:jaxb.jvnet.org:annox"
        xsi:schemaLocation="https://jakarta.ee/xml/ns/jaxb https://jakarta.ee/xml/ns/jaxb/bindingschema_3_0.xsd"
        jaxb:extensionBindingPrefixes="xjc annox"
        version="3.0">

    <jaxb:bindings schemaLocation="schema.xsd" node="/xs:schema">
        <jaxb:bindings node="xs:complexType[@name='FooType']">
            <annox:removeAnnotation class="jakarta.xml.bind.annotation.XmlType" />
        </jaxb:bindings>
        <jaxb:bindings node="xs:complexType[@name='FooType']//xs:element[@name='foobar']">
            <annox:removeAnnotation class="jakarta.xml.bind.annotation.XmlElement" target="field" />
        </jaxb:bindings>
    </jaxb:bindings>

</jaxb:bindings>

You can use the following customization elements in the urn:jaxb.jvnet.org:annox namespace:

removeAnnotation with the optional target attribute:
package
class
getter
setter
setter-parameter
field
enum-value-method
enum-fromValue-method
removeAnnotationFromProperty
removeAnnotationFromPackage
removeAnnotationFromClass
removeAnnotationFromElement
removeAnnotationFromeEnum
removeAnnotationFromEnumConstant
removeAnnotationFromEnumValueMethod - removes annotation from the value() method of the enum
removeAnnotationFromEnumFromValueMethod - removes annotation from the fromValue(String) method of the enum

The urn:jaxb.jvnet.org:annox namespace must be declared in the jaxb:extensionBindingPrefixes attribute via prefix, ex.:

xmlns:annox="urn:jaxb.jvnet.org:annox"
jaxb:extensionBindingPrefixes="xjc annox"

Note: the previous http://annox.dev.java.net namespace is still supported but no longer exists. We decided to change this namespace but keep older one too to avoid breaking older builds. Please migrate to new namespace of the plugin urn:jaxb.jvnet.org:annox.

Using Annotate JAXB Plugin with Maven

Add org.jvnet.jaxb:jaxb-plugin-annotate as XJC plugin
Turn on the plugin using -Xannotate or -XremoveAnnotationswitch
Add artifact with your annotations as another XJC plugin

Example:

<plugin>
    <groupId>org.jvnet.jaxb</groupId>
    <artifactId>jaxb-maven-plugin</artifactId>
    <configuration>
        <extension>true</extension>
        <args>
            <arg>-Xannotate</arg>
            <arg>-XremoveAnnotation</arg>
        </args>
        <plugins>
            <plugin>
                <groupId>org.jvnet.jaxb</groupId>
                <artifactId>jaxb-plugin-annotate</artifactId>
            </plugin>
            <!-- Artifact with custom annotations -->
            <plugin>
                <groupId>com.acme.foo</groupId>
                <artifactId>my-custom-annotations</artifactId>
            </plugin>
        </plugins>
    </configuration>
</plugin>

See this example.

Note that annotations are first compiled in the annotations module and the added to the classpath of the jaxb-maven-plugin in the schema module:

Using JAXB Annotate Plugin with Ant

See this example.

JAXB Hyperjaxb

Hyperjaxb3 provides relational persistence for JAXB objects. This is preview feature (please give feedback if any problems).

Name		Name	Last commit message	Last commit date
Latest commit History 1,549 Commits
.github/workflows		.github/workflows
build/gpg		build/gpg
hyperjaxb		hyperjaxb
jaxb-annotate-parent		jaxb-annotate-parent
jaxb-annox-parent		jaxb-annox-parent
jaxb-bom-parent		jaxb-bom-parent
jaxb-plugins-parent		jaxb-plugins-parent
jaxb-tools-docs		jaxb-tools-docs
maven-plugin		maven-plugin
.editorconfig		.editorconfig
.gitignore		.gitignore
.travis.yml		.travis.yml
CODE_OF_CONDUCT.md		CODE_OF_CONDUCT.md
CONTRIBUTING.md		CONTRIBUTING.md
Jenkinsfile		Jenkinsfile
LICENSE		LICENSE
README.md		README.md
deploy.bat		deploy.bat
pom.xml		pom.xml

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JAXB Tools

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