JsonUtils class

Utility class for JSON parsing and type conversion.

Properties

hashCode → int

The hash code for this object.

no setter, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited

Static Methods

cleanJsonResponse(String? value) → String?

Cleans a JSON response string by removing escaped quotes and outer quotes.

countIterableJson(dynamic json, {String separator = ','}) → int

Counts items in an iterable or comma-separated string.

isJson(String? value, {bool testDecode = false, bool allowEmpty = false}) → bool

Checks if a string appears to be valid JSON.

jsonDecodeSafe(String? jsonString) → dynamic

Safely decodes a JSON string, returning null on error.

jsonDecodeToMap(String? jsonString) → Map<String, dynamic>?

Decodes a JSON string to a Map.

toBoolJson(dynamic json, {bool isCaseSensitive = true}) → bool?

Converts JSON to a boolean.

toDateTimeEpochJson(dynamic json, JsonEpochScale scale) → DateTime?

Converts an epoch timestamp to DateTime.

toDateTimeJson(dynamic json) → DateTime?

Converts JSON to a DateTime.

toDoubleJson(dynamic json) → double?

Converts JSON to a double.

toDoubleListJson(dynamic json) → List<double>?

Converts JSON to a list of doubles.

toIntJson(dynamic json) → int?

Converts JSON to an integer.

toIntListJson(dynamic json) → List<int>?

Converts JSON to a list of integers.

toListDynamic(dynamic value) → List?

Converts a value to a dynamic list if it is one.

toListMap(List? valueList) → List<Map<String, dynamic>>?

Converts a dynamic list to a list of maps.

toStringJson(dynamic json, {bool trim = true, bool makeUppercase = false, bool makeLowercase = false, bool makeCapitalized = false}) → String?

Converts JSON to a string with optional transformations.

toStringListJson(dynamic json, {String separator = ','}) → List<String>?

Converts JSON to a list of strings.

tryJsonDecode(String? value, {bool cleanInput = false}) → Map<String, dynamic>?

Attempts to decode a JSON string to a Map.

tryJsonDecodeList(String? value) → List<String>?

Attempts to decode a JSON string to a list of strings.

tryJsonDecodeListMap(String? value) → List<Map<String, dynamic>>?

Attempts to decode a JSON string to a list of maps.