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EMF.cloud: EMF JSON-Jackson

build-status p2-deploy-status m2-deploy-status

EMF JSON-Jackson provides a JSON binding for EMF (Eclipse Modeling Framework) using Jackson, that allows serialization and deserialization of EMF Resources in JSON.

IMPORTANT: This projects was originally hosted by emfjson/emfjson-jackson and was moved to Eclipse in 2021. Due to the move several names (packages, bundle, groupId, artifactId) were adapted and a new version of the p2 bundles and the maven artifacts was released.

This is how a model looks like in JSON format.

{
    "eClass" : "http://www.eclipse.org/emf/2002/Ecore#//EPackage",
    "name" : "model",
    "nsPrefix" : "model",
    "nsURI" : "http://www.example.org/model",
    "eClassifiers" : [
        {
            "eClass" : "http://www.eclipse.org/emf/2002/Ecore#//EClass",
            "name" : "Library"
        }
    ]
}

Building

The EMF JSON-Jackson bundles are built with Java 11 or higher and maven. Execute mvn clean verify -Pm2 to build the Maven artifacts. The nightly builds are available as maven repository or p2 update site.

Maven m2-deploy-status

To use the Maven artifact add the following dependency to your POM file:

<dependency>
	<groupId>org.eclipse.emfcloud</groupId>
	<artifactId>emfjson-jackson</artifactId>
	<version>...</version>
</dependency>

If you want to consume the nightly builds you have to configure the sonatype snapshot repository in your pom.xml:

<repositories>
    <repository>
        <id>oss.sonatype.org-snapshot</id>
        <url>http://oss.sonatype.org/content/repositories/snapshots</url>
        <releases><enabled>false</enabled></releases>
        <snapshots><enabled>true</enabled></snapshots>
    </repository>
</repositories>

P2 Update Site p2-deploy-status

This update sites contain the bundle and feature for emfjson-jackson and Jackson.

Development

Development can be done with any Java IDE (Eclipse, IntelliJ, etc.), it does not require any special tooling except Maven.

git clone https://github.com/emfjson/emfjson-jackson.git
[go inside directory emfjson-jackson]
mvn clean verify

This command will call the xtext:generate action that will generate the code from the Xcore model for the tests.

The tests can be run with the maven command: mvn clean test (or by running class TestSuite from your IDE). The tests require some code to be generated from a Xcore model. This generated code is not included in this repository, but is generated when the sources are first build locally.

Documentation and Support

You can find documentation on EMF JSON-Jackson in our wiki page.

If you have questions, please raise them on our discussions page and have a look at our communication and support options.

For further information on EMF.cloud, please visit the Eclipse EMF.cloud Umbrella repository and the Eclipse EMF.cloud Website.

If you plan on contributing to this project, please see the Contribution Guidelines.

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