org.mitre.util

Class JsonUtils

java.lang.Object

org.mitre.util.JsonUtils

public class JsonUtils
extends Object

A collection of null-safe converters from common classes and JSON elements, using GSON.

Author:

jricher

Constructor Summary

Constructors

Constructor and Description
JsonUtils()

Method Summary

Modifier and Type	Method and Description
static com.google.gson.JsonElement	getAsArray(Set<String> value) Translate a set of strings to a JSON array, empty array returned as null
static com.google.gson.JsonElement	getAsArray(Set<String> value, boolean preserveEmpty) Translate a set of strings to a JSON array, optionally preserving the empty array.
static Boolean	getAsBoolean(com.google.gson.JsonObject o, String member) Gets the value of the given member as a boolean, null if it doesn't exist
static Date	getAsDate(com.google.gson.JsonObject o, String member) Gets the value of the given member (expressed as integer seconds since epoch) as a Date
static List<com.nimbusds.jose.EncryptionMethod>	getAsEncryptionMethodList(com.google.gson.JsonObject o, String member) Gets the value of the given member as a list of JWS Algorithms, null if it doesn't exist
static com.nimbusds.jose.JWEAlgorithm	getAsJweAlgorithm(com.google.gson.JsonObject o, String member) Gets the value of the given member as a JWE Algorithm, null if it doesn't exist
static List<com.nimbusds.jose.JWEAlgorithm>	getAsJweAlgorithmList(com.google.gson.JsonObject o, String member) Gets the value of the given member as a list of JWS Algorithms, null if it doesn't exist
static com.nimbusds.jose.EncryptionMethod	getAsJweEncryptionMethod(com.google.gson.JsonObject o, String member) Gets the value of the given member as a JWE Encryption Method, null if it doesn't exist
static com.nimbusds.jose.JWSAlgorithm	getAsJwsAlgorithm(com.google.gson.JsonObject o, String member) Gets the value of the given member as a JWS Algorithm, null if it doesn't exist
static List<com.nimbusds.jose.JWSAlgorithm>	getAsJwsAlgorithmList(com.google.gson.JsonObject o, String member) Gets the value of the given member as a list of JWS Algorithms, null if it doesn't exist
static Long	getAsLong(com.google.gson.JsonObject o, String member) Gets the value of the given member as a Long, null if it doesn't exist
static PKCEAlgorithm	getAsPkceAlgorithm(com.google.gson.JsonObject o, String member) Gets the value of the given member as a PKCE Algorithm, null if it doesn't exist
static String	getAsString(com.google.gson.JsonObject o, String member) Gets the value of the given member as a string, null if it doesn't exist
static List<String>	getAsStringList(com.google.gson.JsonObject o, String member) Gets the value of the given given member as a set of strings, null if it doesn't exist
static Set<String>	getAsStringSet(com.google.gson.JsonObject o, String member) Gets the value of the given given member as a set of strings, null if it doesn't exist
static Map	readMap(com.google.gson.stream.JsonReader reader)
static Set	readSet(com.google.gson.stream.JsonReader reader)
static void	writeNullSafeArray(com.google.gson.stream.JsonWriter writer, Set<String> items)

Methods inherited from class java.lang.Object

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

Constructor Detail

JsonUtils

public JsonUtils()

Method Detail

getAsArray

public static com.google.gson.JsonElement getAsArray(Set<String> value)

Translate a set of strings to a JSON array, empty array returned as null

Parameters:

value -

Returns:

getAsArray

public static com.google.gson.JsonElement getAsArray(Set<String> value,
                                                     boolean preserveEmpty)

Translate a set of strings to a JSON array, optionally preserving the empty array. Otherwise (default) empty array is returned as null.

Parameters:

value -

preserveEmpty -

Returns:

getAsDate

public static Date getAsDate(com.google.gson.JsonObject o,
                             String member)

Gets the value of the given member (expressed as integer seconds since epoch) as a Date

getAsJweAlgorithm

public static com.nimbusds.jose.JWEAlgorithm getAsJweAlgorithm(com.google.gson.JsonObject o,
                                                               String member)

Gets the value of the given member as a JWE Algorithm, null if it doesn't exist

getAsJweEncryptionMethod

public static com.nimbusds.jose.EncryptionMethod getAsJweEncryptionMethod(com.google.gson.JsonObject o,
                                                                          String member)

Gets the value of the given member as a JWE Encryption Method, null if it doesn't exist

getAsJwsAlgorithm

public static com.nimbusds.jose.JWSAlgorithm getAsJwsAlgorithm(com.google.gson.JsonObject o,
                                                               String member)

Gets the value of the given member as a JWS Algorithm, null if it doesn't exist

getAsPkceAlgorithm

public static PKCEAlgorithm getAsPkceAlgorithm(com.google.gson.JsonObject o,
                                               String member)

Gets the value of the given member as a PKCE Algorithm, null if it doesn't exist

Parameters:

o -

member -

Returns:

getAsString

public static String getAsString(com.google.gson.JsonObject o,
                                 String member)

Gets the value of the given member as a string, null if it doesn't exist

getAsBoolean

public static Boolean getAsBoolean(com.google.gson.JsonObject o,
                                   String member)

Gets the value of the given member as a boolean, null if it doesn't exist

getAsLong

public static Long getAsLong(com.google.gson.JsonObject o,
                             String member)

Gets the value of the given member as a Long, null if it doesn't exist

getAsStringSet

public static Set<String> getAsStringSet(com.google.gson.JsonObject o,
                                         String member)
                                  throws com.google.gson.JsonSyntaxException

Gets the value of the given given member as a set of strings, null if it doesn't exist

Throws:

com.google.gson.JsonSyntaxException

getAsStringList

public static List<String> getAsStringList(com.google.gson.JsonObject o,
                                           String member)
                                    throws com.google.gson.JsonSyntaxException

Gets the value of the given given member as a set of strings, null if it doesn't exist

Throws:

com.google.gson.JsonSyntaxException

getAsJwsAlgorithmList

public static List<com.nimbusds.jose.JWSAlgorithm> getAsJwsAlgorithmList(com.google.gson.JsonObject o,
                                                                         String member)

Gets the value of the given member as a list of JWS Algorithms, null if it doesn't exist

getAsJweAlgorithmList

public static List<com.nimbusds.jose.JWEAlgorithm> getAsJweAlgorithmList(com.google.gson.JsonObject o,
                                                                         String member)

Gets the value of the given member as a list of JWS Algorithms, null if it doesn't exist

getAsEncryptionMethodList

public static List<com.nimbusds.jose.EncryptionMethod> getAsEncryptionMethodList(com.google.gson.JsonObject o,
                                                                                 String member)

Gets the value of the given member as a list of JWS Algorithms, null if it doesn't exist

readMap

public static Map readMap(com.google.gson.stream.JsonReader reader)
                   throws IOException

Throws:

IOException

readSet

public static Set readSet(com.google.gson.stream.JsonReader reader)
                   throws IOException

Throws:

IOException

writeNullSafeArray

public static void writeNullSafeArray(com.google.gson.stream.JsonWriter writer,
                                      Set<String> items)
                               throws IOException

Throws:

IOException