Package pl.edu.icm.unity

Class JsonUtil

java.lang.Object

pl.edu.icm.unity.JsonUtil

public class JsonUtil
extends Object

Simplifies JSON parsing a little bit

Author:

K. Benedyczak

Constructor Summary

Constructors

Constructor	Description
JsonUtil()

Method Summary

Modifier and Type	Method	Description
static String	getNullable(com.fasterxml.jackson.databind.JsonNode src, String name)	as getWithDef(JsonNode, String, String) with the last argument (default) == null
static String	getWithDef(com.fasterxml.jackson.databind.JsonNode src, String name, String def)	Safely gets a string value from node.
static boolean	notNull(com.fasterxml.jackson.databind.JsonNode src, String name)
static com.fasterxml.jackson.databind.node.ObjectNode	parse(byte[] contents)
static com.fasterxml.jackson.databind.node.ObjectNode	parse(String contents)
static <T> T	parse(String contents, Class<T> clazz)
static <T> List<T>	parseToList(String contents, Class<T> clazz)
static String	serialize(com.fasterxml.jackson.databind.JsonNode node)
static byte[]	serialize2Bytes(com.fasterxml.jackson.databind.JsonNode node)
static String	serializeHumanReadable(com.fasterxml.jackson.databind.JsonNode node)
static com.fasterxml.jackson.databind.JsonNode	toJsonNode(Object value)
static String	toJsonString(Object value)

Methods inherited from class java.lang.Object

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

Constructor Detail

JsonUtil

public JsonUtil()

Method Detail

getNullable

public static String getNullable(com.fasterxml.jackson.databind.JsonNode src,
                                 String name)

as getWithDef(JsonNode, String, String) with the last argument (default) == null

Parameters:

src -

name -

Returns:

getWithDef

public static String getWithDef(com.fasterxml.jackson.databind.JsonNode src,
                                String name,
                                String def)

Safely gets a string value from node. if undefined then given default is returned. If node is null, then null is defined.

Parameters:

src -

name -

def -

Returns:

notNull

public static boolean notNull(com.fasterxml.jackson.databind.JsonNode src,
                              String name)

Parameters:

src -

name -

Returns:

true only if the given field exists and is not set to null

parse

public static com.fasterxml.jackson.databind.node.ObjectNode parse(String contents)

parse

public static com.fasterxml.jackson.databind.node.ObjectNode parse(byte[] contents)

serialize

public static String serialize(com.fasterxml.jackson.databind.JsonNode node)

serializeHumanReadable

public static String serializeHumanReadable(com.fasterxml.jackson.databind.JsonNode node)

serialize2Bytes

public static byte[] serialize2Bytes(com.fasterxml.jackson.databind.JsonNode node)

parse

public static <T> T parse(String contents,
                          Class<T> clazz)

parseToList

public static <T> List<T> parseToList(String contents,
                                      Class<T> clazz)

toJsonString

public static String toJsonString(Object value)

toJsonNode

public static com.fasterxml.jackson.databind.JsonNode toJsonNode(Object value)