Random Data generator for JSON Schema
Generating Random Data for json schema. Schema parsing based on https://github.com/everit-org/json-schema
For the following json schema.
{
"id": "https://example.com/arrays.schema.json",
"$schema": "http://json-schema.org/draft-07/schema#",
"description": "A representation of a person, company, organization, or place",
"type": "object",
"properties": {
"fruits": {
"type": "array",
"items": {
"type": "string"
}
},
"valid": {
"type": "boolean"
},
"created": {
"type": "null"
},
"vegetables": {
"type": "array",
"items": {
"$ref": "#/definitions/veggie"
}
},
"color": {
"enum": [
"one",
"two",
"three"
]
}
},
"required": [
"color",
"fruits",
"valid",
"created",
"vegetables"
],
"definitions": {
"veggie": {
"type": "object",
"required": [
"veggieName",
"veggieLike"
],
"properties": {
"veggieName": {
"type": "string",
"description": "The name of the vegetable."
},
"veggieLike": {
"type": "boolean",
"description": "Do I like this vegetable?"
}
}
}
}
}generates
{
"valid" : true,
"color" : "two",
"fruits" : [ "dav", "ipdixu", "aowub" ],
"created" : null,
"vegetables" : [ {
"veggieName" : "irdxlol",
"veggieLike" : false
}, {
"veggieName" : "eh",
"veggieLike" : false
}, {
"veggieName" : "qylwvhj",
"veggieLike" : false
} ]
}Example Usage :
try (InputStream inputStream = getClass().getResourceAsStream("jsonArraySchemaWithObject.json")) {
JSONObject rawSchema = new JSONObject(new JSONTokener(inputStream));
Schema schema = SchemaLoader.load(rawSchema);
new SchemaDataSupplier().get(schema);
} This only provides java objects as output. Use can use library of choice for jsonification,like
Using Jackson
ObjectMapper mapper = new ObjectMapper();
try (InputStream inputStream = getClass().getResourceAsStream("jsonArraySchemaWithObject.json")) {
JSONObject rawSchema = new JSONObject(new JSONTokener(inputStream));
Schema schema = SchemaLoader.load(rawSchema);
Object generatedData = new SchemaDataSupplier().get(schema);
String json = mapper.writerWithDefaultPrettyPrinter().writeValueAsString(generatedData);
System.out.println(json);
schema.validate(new JSONObject(new JSONTokener(json)));
} Currently following schemas are supported:
- ObjectSchema
- StringSchema
- ArraySchema
- NumberSchema
- BooleanSchema
- EnumSchema
- ReferenceSchema
- NullSchema
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