Java JSON Schema Generator

Build Status Maven Central

Creating JSON Schema (Draft 6, Draft 7 or Draft 2019-09) from your Java classes utilising Jackson.


This project consists of:

Another example for such a module is:


Documentation

JavaDoc is being used throughout the codebase, offering contextual information in your respective IDE or being available online through services like javadoc.io.

Additional documentation can be found in the Project Wiki.


Usage

Dependency (Maven)

<dependency>
    <groupId>com.github.victools</groupId>
    <artifactId>jsonschema-generator</artifactId>
    <version>4.13.0</version>
</dependency>

Since version 4.7, the release versions of the main generator library and the (standard) victools modules listed above are aligned. It is recommended to use identical versions for all of them to ensure compatibility.

Code

Complete/Minimal Example

import com.fasterxml.jackson.databind.JsonNode;
import com.github.victools.jsonschema.generator.OptionPreset;
import com.github.victools.jsonschema.generator.SchemaGenerator;
import com.github.victools.jsonschema.generator.SchemaGeneratorConfig;
import com.github.victools.jsonschema.generator.SchemaGeneratorConfigBuilder;
import com.github.victools.jsonschema.generator.SchemaVersion;
SchemaGeneratorConfigBuilder configBuilder = new SchemaGeneratorConfigBuilder(SchemaVersion.DRAFT_2019_09, OptionPreset.PLAIN_JSON);
SchemaGeneratorConfig config = configBuilder.build();
SchemaGenerator generator = new SchemaGenerator(config);
JsonNode jsonSchema = generator.generateSchema(YourClass.class);

System.out.println(jsonSchema.toString());