JsonUtils class abstract final

Utility class for JSON parsing and validation. For type conversions (lists, strings, numbers, dates), see JsonTypeUtils.

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?

Returns a cleaned version of the JSON response value by stripping outer double-quotes and unescaping any inner escaped quotes (\"), or null if the result is empty.

isJson(String? value, {bool shouldTestDecode = false, bool shouldAllowEmpty = false}) → bool

Returns true if value appears to be valid JSON.

jsonDecodeSafe(String? jsonString) → dynamic

Safely decodes a JSON string, returning null on error.

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

Returns a decoded Map from the given jsonString, or null if decoding fails.

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

Returns a decoded Map from the JSON string value, optionally cleaning the input first when shouldCleanInput is true, or null if decoding fails.

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

Returns a list of strings decoded from the JSON string value, or null if decoding fails.

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

Returns a list of maps decoded from the JSON string value, or null if decoding fails.