protobuf/examples/list_people.dart
Roman Kamyk dc974d22c5 Fix small style issues in the dart example, following Effective Dart:
- use final instead of obvious types for local variables
- add missing `void` return type
- make the comments doccomments (///)
2019-09-04 12:30:57 -07:00

48 lines
1.3 KiB
Dart

import 'dart:io';
import 'dart_tutorial/addressbook.pb.dart';
import 'dart_tutorial/addressbook.pbenum.dart';
/// Iterates though all people in the AddressBook and prints info about them.
void printAddressBook(AddressBook addressBook) {
for (var person in addressBook.people) {
print('Person ID: ${person.id}');
print(' Name: ${person.name}');
if (person.hasEmail()) {
print(' E-mail address:${person.email}');
}
for (var phoneNumber in person.phones) {
switch (phoneNumber.type) {
case Person_PhoneType.MOBILE:
print(' Mobile phone #: ');
break;
case Person_PhoneType.HOME:
print(' Home phone #: ');
break;
case Person_PhoneType.WORK:
print(' Work phone #: ');
break;
default:
print(' Unknown phone #: ');
break;
}
print(phoneNumber.number);
}
}
}
/// Reads the entire address book from a file and prints all
/// the information inside.
void main(List<String> arguments) {
if (arguments.length != 1) {
print('Usage: list_person ADDRESS_BOOK_FILE');
exit(-1);
}
// Read the existing address book.
final file = new File(arguments.first);
final addressBook = new AddressBook.fromBuffer(file.readAsBytesSync());
printAddressBook(addressBook);
}