Java tutorial
package com.fasterxml.jackson.databind.jsonschema; import com.fasterxml.jackson.annotation.JsonCreator; import com.fasterxml.jackson.annotation.JsonValue; import com.fasterxml.jackson.databind.JsonNode; import com.fasterxml.jackson.databind.node.JsonNodeFactory; import com.fasterxml.jackson.databind.node.ObjectNode; /** * Container for a logical JSON Schema instance. * Internally schema data is stored as a JSON Tree * (instance of {@link JsonNode} is the root * of schema document) * * @author Ryan Heaton * @see <a href="http://json-schema.org/">JSON Schema</a> * * @deprecated Since 2.2, we recommend use of external * <a href="https://github.com/FasterXML/jackson-module-jsonSchema">JSON Schema generator module</module> */ @Deprecated public class JsonSchema { private final ObjectNode schema; /** * Main constructor for schema instances. *<p> * This is the creator constructor used by Jackson itself when * deserializing instances. It is so-called delegating creator, * meaning that its argument will be bound by Jackson before * constructor gets called. */ @JsonCreator public JsonSchema(ObjectNode schema) { this.schema = schema; } /** * Method for accessing root JSON object of the contained schema. *<p> * Note: this method is specified with {@link JsonValue} annotation * to represent serialization to use; same as if explicitly * serializing returned object. * * @return Root node of the schema tree */ @JsonValue public ObjectNode getSchemaNode() { return schema; } @Override public String toString() { return this.schema.toString(); } @Override public int hashCode() { return schema.hashCode(); } @Override public boolean equals(Object o) { if (o == this) return true; if (o == null) return false; if (!(o instanceof JsonSchema)) return false; JsonSchema other = (JsonSchema) o; if (schema == null) { return other.schema == null; } return schema.equals(other.schema); } /** * Get the default schema node. * * @return The default schema node. */ public static JsonNode getDefaultSchemaNode() { ObjectNode objectNode = JsonNodeFactory.instance.objectNode(); objectNode.put("type", "any"); // "required" is false by default, no need to include //objectNode.put("required", false); return objectNode; } }