com.hazelcast.util

Class JsonUtil

java.lang.Object

com.hazelcast.util.JsonUtil

public final class JsonUtil
extends Object

Utility class to deal with Json.

Method Summary

Modifier and Type	Method and Description
static JsonArray	getArray(JsonObject object, String field) Returns a field in a Json object as an array.
static JsonArray	getArray(JsonObject object, String field, JsonArray defaultValue) Returns a field in a Json object as an array.
static boolean	getBoolean(JsonObject object, String field) Returns a field in a Json object as a boolean.
static boolean	getBoolean(JsonObject object, String field, boolean defaultValue) Returns a field in a Json object as a boolean.
static double	getDouble(JsonObject object, String field) Returns a field in a Json object as a double.
static double	getDouble(JsonObject object, String field, double defaultValue) Returns a field in a Json object as a double.
static float	getFloat(JsonObject object, String field) Returns a field in a Json object as a float.
static float	getFloat(JsonObject object, String field, float defaultValue) Returns a field in a Json object as a float.
static int	getInt(JsonObject object, String field) Returns a field in a Json object as an int.
static int	getInt(JsonObject object, String field, int defaultValue) Returns a field in a Json object as an int.
static long	getLong(JsonObject object, String field) Returns a field in a Json object as a long.
static long	getLong(JsonObject object, String field, long defaultValue) Returns a field in a Json object as a long.
static JsonObject	getObject(JsonObject object, String field) Returns a field in a Json object as an object.
static JsonObject	getObject(JsonObject object, String field, JsonObject defaultValue) Returns a field in a Json object as an object.
static String	getString(JsonObject object, String field) Returns a field in a Json object as a string.
static String	getString(JsonObject object, String field, String defaultValue) Returns a field in a Json object as a string.

Methods inherited from class java.lang.Object

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

Method Detail

getInt

public static int getInt(JsonObject object,
                         String field)

Returns a field in a Json object as an int. Throws IllegalArgumentException if the field value is null.

Parameters:

object - the Json Object

field - the field in the Json object to return

Returns:

the Json field value as an int

getInt

public static int getInt(JsonObject object,
                         String field,
                         int defaultValue)

Returns a field in a Json object as an int.

Parameters:

object - the Json Object

field - the field in the Json object to return

defaultValue - a default value for the field if the field value is null

Returns:

the Json field value as an int

getLong

public static long getLong(JsonObject object,
                           String field)

Returns a field in a Json object as a long. Throws IllegalArgumentException if the field value is null.

Parameters:

object - the Json Object

field - the field in the Json object to return

Returns:

the Json field value as a long

getLong

public static long getLong(JsonObject object,
                           String field,
                           long defaultValue)

Returns a field in a Json object as a long.

Parameters:

object - the Json Object

field - the field in the Json object to return

defaultValue - a default value for the field if the field value is null

Returns:

the Json field value as a long

getDouble

public static double getDouble(JsonObject object,
                               String field)

Returns a field in a Json object as a double. Throws IllegalArgumentException if the field value is null.

Parameters:

object - the Json Object

field - the field in the Json object to return

Returns:

the Json field value as a double

getDouble

public static double getDouble(JsonObject object,
                               String field,
                               double defaultValue)

Returns a field in a Json object as a double.

Parameters:

object - the Json Object

field - the field in the Json object to return

defaultValue - a default value for the field if the field value is null

Returns:

the Json field value as a double

getFloat

public static float getFloat(JsonObject object,
                             String field)

Returns a field in a Json object as a float. Throws IllegalArgumentException if the field value is null.

Parameters:

object - the Json Object

field - the field in the Json object to return

Returns:

the Json field value as a float

getFloat

public static float getFloat(JsonObject object,
                             String field,
                             float defaultValue)

Returns a field in a Json object as a float.

Parameters:

object - the Json Object

field - the field in the Json object to return

defaultValue - a default value for the field if the field value is null

Returns:

the Json field value as a float

getString

public static String getString(JsonObject object,
                               String field)

Returns a field in a Json object as a string. Throws IllegalArgumentException if the field value is null.

Parameters:

object - the Json Object

field - the field in the Json object to return

Returns:

the Json field value as a string

getString

public static String getString(JsonObject object,
                               String field,
                               String defaultValue)

Returns a field in a Json object as a string.

Parameters:

object - the Json Object

field - the field in the Json object to return

defaultValue - a default value for the field if the field value is null

Returns:

the Json field value as a string

getBoolean

public static boolean getBoolean(JsonObject object,
                                 String field)

Returns a field in a Json object as a boolean. Throws IllegalArgumentException if the field value is null.

Parameters:

object - the Json Object

field - the field in the Json object to return

Returns:

the Json field value as a boolean

getBoolean

public static boolean getBoolean(JsonObject object,
                                 String field,
                                 boolean defaultValue)

Returns a field in a Json object as a boolean.

Parameters:

object - the Json Object

field - the field in the Json object to return

defaultValue - a default value for the field if the field value is null

Returns:

the Json field value as a boolean

getArray

public static JsonArray getArray(JsonObject object,
                                 String field)

Returns a field in a Json object as an array. Throws IllegalArgumentException if the field value is null.

Parameters:

object - the Json Object

field - the field in the Json object to return

Returns:

the Json field value as an array

getArray

public static JsonArray getArray(JsonObject object,
                                 String field,
                                 JsonArray defaultValue)

Returns a field in a Json object as an array.

Parameters:

object - the Json Object

field - the field in the Json object to return

defaultValue - a default value for the field if the field value is null

Returns:

the Json field value as a Json array

getObject

public static JsonObject getObject(JsonObject object,
                                   String field)

Returns a field in a Json object as an object. Throws IllegalArgumentException if the field value is null.

Parameters:

object - the Json object

field - the field in the Json object to return

Returns:

the Json field value as a Json object

getObject

public static JsonObject getObject(JsonObject object,
                                   String field,
                                   JsonObject defaultValue)

Returns a field in a Json object as an object.

Parameters:

object - the Json object

field - the field in the Json object to return

defaultValue - a default value for the field if the field value is null

Returns:

the Json field value as a Json object