JarCastingjson-schema-registry
Auto discovery of java classes annotated with @JsonSchema, which are placed into a JsonSchemaRegistry.
Validation of JSON is also included using the bean validation annotation @ValidJson.
Example
Java Backing bean of the actual data that should comply to a JSON schema
@JsonSchema(name = "person", version = "1.0", location = "/person-schema-v1.json")
private static class Person {
private String firstName;
private String lastName;
}
Or location from url
@JsonSchema(name = "person", version = "1.0", location = "http://mysite/schemas/person-schema-v1.json")
private static class Person {
private String firstName;
private String lastName;
}
The JSON schema itself which resides on the classpath at the location specified in the location attribute of the @JsonSchema annotation.
{
"title": "Person",
"type": "object",
"properties": {
"firstName": {
"type": "string"
},
"lastName": {
"type": "string"
},
"age": {
"description": "Age in years",
"type": "integer",
"minimum": 0
}
},
"required": ["firstName", "lastName"]
}
And to get the Registry
public JsonSchemaRegistry createRegistry(ObjectMapper objectMapper, String packageToScan) {
return new JsonSchemaScanner(objectMapper).scan(packageToScan);
}