org.eel.kitchen.jsonschema.util

Class JacksonUtils

java.lang.Object

org.eel.kitchen.jsonschema.util.JacksonUtils

public final class JacksonUtils
extends Object

A small set of utility methods over Jackson.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
private static class	JacksonUtils.EmptySchema

Field Summary

Fields

Modifier and Type	Field and Description
private static JsonNode	EMPTY_SCHEMA

Constructor Summary

Constructors

Modifier	Constructor and Description
private	JacksonUtils()

Method Summary

Methods

Modifier and Type	Method and Description
static JsonNode	emptySchema() Return an empty schema
static Set<String>	fieldNames(JsonNode node) Return a set of field names in an object instance
static Map<String,JsonNode>	nodeToMap(JsonNode node) Return a map out of an object instance
static SortedMap<String,JsonNode>	nodeToTreeMap(JsonNode node) Return a sorted map out of an object instance

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

EMPTY_SCHEMA

private static final JsonNode EMPTY_SCHEMA

Constructor Detail

JacksonUtils

private JacksonUtils()

Method Detail

nodeToMap

public static Map<String,JsonNode> nodeToMap(JsonNode node)

Return a map out of an object instance

Parameters:

node - the node

Returns:

a mutable map made of the instance's entries

nodeToTreeMap

public static SortedMap<String,JsonNode> nodeToTreeMap(JsonNode node)

Return a sorted map out of an object instance

This is used by syntax validation especially: it is more convenient to present validation messages in key order.

Parameters:

node - the node

Returns:

a mutable map made of the instance's entries

fieldNames

public static Set<String> fieldNames(JsonNode node)

Return a set of field names in an object instance

Parameters:

node - the node

Returns:

a mutable set of the instance's keys

emptySchema

public static JsonNode emptySchema()

Return an empty schema

Returns:

a statically created, empty, JSON object.