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Side by Side Diff: third_party/pkg/di/lib/static_injector.dart

Issue 257423008: Update all Angular libs (run update_all.sh). (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart
Patch Set: Created 6 years, 8 months ago
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1 library di.static_injector; 1 library di.static_injector;
2 2
3 import 'di.dart'; 3 import 'di.dart';
4 import 'src/error_helper.dart';
5 import 'src/base_injector.dart';
6 import 'src/provider.dart';
7
8 export 'annotations.dart';
9 export 'di.dart';
4 10
5 /** 11 /**
6 * Static implementation of [Injector] that uses type factories 12 * Static implementation of [Injector] that uses type factories
7 */ 13 */
8 class StaticInjector extends Injector { 14 class StaticInjector extends BaseInjector {
9 Map<Type, TypeFactory> typeFactories; 15 Map<Type, TypeFactory> typeFactories;
10 16
11 StaticInjector({List<Module> modules, String name, 17 StaticInjector({List<Module> modules, String name,
12 bool allowImplicitInjection: false, typeFactories}) 18 bool allowImplicitInjection: false, typeFactories})
13 : super(modules: modules, name: name, 19 : super(modules: modules, name: name,
14 allowImplicitInjection: allowImplicitInjection) { 20 allowImplicitInjection: allowImplicitInjection) {
15 this.typeFactories = _extractTypeFactories(modules, typeFactories); 21 this.typeFactories = _extractTypeFactories(modules, typeFactories);
16 } 22 }
17 23
18 StaticInjector._fromParent(List<Module> modules, Injector parent, {name}) 24 StaticInjector._fromParent(List<Module> modules, Injector parent, {name})
19 : super.fromParent(modules, parent, name: name) { 25 : super.fromParent(modules, parent, name: name) {
20 this.typeFactories = _extractTypeFactories(modules); 26 this.typeFactories = _extractTypeFactories(modules);
21 } 27 }
22 28
23 newFromParent(List<Module> modules, String name) { 29 newFromParent(List<Module> modules, String name) =>
24 return new StaticInjector._fromParent(modules, this, name: name); 30 new StaticInjector._fromParent(modules, this, name: name);
31
32 Object newInstanceOf(Type type, ObjectFactory objFactory,
33 Injector requestor, resolving) {
34 TypeFactory typeFactory = _getFactory(type);
35 if (typeFactory == null) {
36 throw new NoProviderError(
37 error(resolving, 'No type factory provided for $type!'));
38 }
39 return typeFactory((type, [annotation]) =>
40 objFactory.getInstanceByKey(
41 new Key(type, annotation), requestor, resolving));
25 } 42 }
26 43
27 Object newInstanceOf(Type type, ObjectFactory getInstanceByType, 44 TypeFactory _getFactory(Type key) {
28 Injector requestor, error) {
29 TypeFactory typeFactory = _getFactory(type);
30 if (typeFactory == null) {
31 throw new NoProviderError(error('No type factory provided for $type!'));
32 }
33 return typeFactory((type) => getInstanceByType(type, requestor));
34 }
35
36 TypeFactory _getFactory(Type type) {
37 var cursor = this; 45 var cursor = this;
38 while (cursor != null) { 46 while (cursor != null) {
39 if (cursor.typeFactories.containsKey(type)) { 47 if (cursor.typeFactories.containsKey(key)) {
40 return cursor.typeFactories[type]; 48 return cursor.typeFactories[key];
41 } 49 }
42 cursor = cursor.parent; 50 cursor = cursor.parent;
43 } 51 }
44 return null; 52 return null;
45 } 53 }
46 } 54 }
47 55
48 Map<Type, TypeFactory> _extractTypeFactories(List<Module> modules, 56 Map<Type, TypeFactory> _extractTypeFactories(List<Module> modules,
49 [Map<Type, TypeFactory> initial = const {}]) { 57 [Map<Type, TypeFactory> initial = const {}]) {
50 if (modules == null || modules.isEmpty) return initial; 58 if (modules == null || modules.isEmpty) return initial;
51 var tmp = new Map.from(initial == null ? {} : initial); 59 var factories = new Map.from(initial == null ? {} : initial);
52 modules.forEach((module) { 60 modules.forEach((m) {
53 module.typeFactories.forEach((type, factory) { 61 factories.addAll(m.typeFactories);
54 tmp[type] = factory;
55 });
56 }); 62 });
57 return tmp; 63 return factories;
58 } 64 }
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