JsonSchemaResource

The JsonSchemaResource class shows examples of the following:

- Using the {@link oaj.dto.jsonschema JSON Schema DTO} API.

The resource consists of a pre-initialized {@link oaj.dto.jsonschema.JsonSchema} object. Pointing a browser to the resource shows the following:

http://localhost:10000/jsonSchema

For true JSON-Schema, you need to specify the header Accept: text/json:

http://localhost:10000/jsonSchema?Accept=text/json&plainText=true

##### JsonSchemaResource.java

/** * Sample resource that shows how to serialize JSON-Schema documents. */ @RestResource( path="/jsonSchema", messages="nls/JsonSchemaResource", title="Sample JSON-Schema document", description="Sample resource that shows how to generate JSON-Schema documents", htmldoc=@HtmlDoc( widgets={ ContentTypeMenuItem.class, StyleMenuItem.class }, navlinks={ "up: request:/..", "options: servlet:/?method=OPTIONS", "$W{ContentTypeMenuItem}", "$W{StyleMenuItem}", "source: $C{Source/gitHub}/org/apache/juneau/examples/rest/$R{servletClassSimple}.java" }, aside={ "<div style='min-width:200px' class='text'>", " <p>Shows how to produce JSON-Schema documents in a variety of languages using the JSON-Schema DTOs.</p>", "</div>" } ) ) public class JsonSchemaResource extends BasicRestServletJena { private static final long serialVersionUID = 1L; private JsonSchema schema; // The schema document @Override /* Servlet */ public void init() { try { schema = new JsonSchema() .setId("http://example.com/sample-schema#") .setSchemaVersionUri("http://json-schema.org/draft-04/schema#") .setTitle("Example Schema") .setType(JsonType.OBJECT) .addProperties( new JsonSchemaProperty("firstName", JsonType.STRING), new JsonSchemaProperty("lastName", JsonType.STRING), new JsonSchemaProperty("age", JsonType.INTEGER) .setDescription("Age in years") .setMinimum(0) ) .addRequired("firstName", "lastName"); } catch (Exception e) { throw new RuntimeException(e); } } /** GET request handler */ @RestMethod(name=GET, path="/") public JsonSchema getSchema() throws Exception { return schema; } /** * PUT request handler. * Replaces the schema document with the specified content, and then mirrors it as the response. */ @RestMethod(name=PUT, path="/") public JsonSchema setSchema(@Body JsonSchema schema) throws Exception { this.schema = schema; return schema; } }