parse static method
Implementation
static List parse(String message) {
final lowercase = message.toLowerCase();
final prefix = lowercase.substring(0, 3);
if (prefix != 'ur:') {
throw InvalidSchemeError();
}
final components = lowercase.substring(3).split('/');
final type = components[0];
if (components.length < 2) {
throw InvalidPathLengthError();
}
if (!isURType(type)) {
throw InvalidTypeError();
}
return [type, components.sublist(1)];
}