JsonConverter class

Converts arbitrary values from and to JSON (JavaScript Object Notation) strings.

Example

var value1 = JsonConverter.fromJson("{\"key\":123}"); // Result: { "key": 123 }
var value2 = JsonConverter.toMap({ "key": 123 }); // Result: "{ "key": 123 }"

See [TypeCode]

Constructors

JsonConverter()

Properties

hashCode → int
The hash code for this object. [...]
read-only, inherited
runtimeType → Type
A representation of the runtime type of the object.
read-only, inherited

Methods

noSuchMethod(Invocation invocation) → dynamic
Invoked when a non-existent method or property is accessed. [...]
inherited
toString() → String
Returns a string representation of this object.
inherited

Operators

operator ==(dynamic other) → bool
The equality operator. [...]
inherited

Static Methods

fromJson<T>(TypeCode type, String value) → T
  • Converts JSON string into a value of type specified by a TypeCode.
      • type the TypeCode for the data type into which 'value' is to be converted.
      • value the JSON string to convert.
    • Returns converted object value or null when value is null.
  • toJson(dynamic value) → String
  • Converts value into JSON string.
      • value the value to convert.
    • Returns JSON string or null when value is null.
  • toMap(String value) → Map<String, dynamic>
  • Converts JSON string into map object or returns empty map when conversion is not possible.
      • value the JSON string to convert.
    • Returns Map object value or empty object when conversion is not supported.
    • See [toNullableMap]
  • toMapWithDefault(String value, Map<String, dynamic> defaultValue) → Map<String, dynamic>
  • Converts JSON string into map object or returns default value when conversion is not possible.
      • value the JSON string to convert.
      • defaultValue the default value. Returns Map object value or default when conversion is not supported.
    • See [toNullableMap]
  • toNullableMap(String value) → Map<String, dynamic>
  • Converts JSON string into map object or returns null when conversion is not possible.
      • value the JSON string to convert.
    • Returns Map object value or null when conversion is not supported.
    • See [MapConverter.toNullableMap]