1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34 package info.magnolia.ui.framework.ioc;
35
36 import info.magnolia.ui.api.ioc.App;
37 import info.magnolia.ui.api.ioc.SubApp;
38 import info.magnolia.ui.api.ioc.View;
39
40 import java.io.Serializable;
41 import java.util.List;
42 import java.util.Optional;
43
44 import com.google.common.collect.ImmutableList;
45
46
47
48
49
50
51
52
53
54
55
56
57 public final class CurrentUiContextReference implements Serializable {
58
59 public static CurrentUiContextReference get() {
60 return SessionStore.access().getBeanStore(UiContextReference.ofCurrentUi()).get(CurrentUiContextReference.class);
61 }
62
63 void executeInContext(Runnable execute, UiContextReference contextKey) {
64 final UiContextReference currentContextReference = this.uiContextReference;
65 this.uiContextReference = contextKey;
66 try {
67 execute.run();
68 } finally {
69 this.uiContextReference = currentContextReference;
70 }
71 }
72
73 private UiContextReference uiContextReference;
74
75 public UiContextReference getUiContextReference() {
76 return Optional.ofNullable(uiContextReference).orElse(UiContextReference.ofCurrentUi());
77 }
78
79 void setUiContextReference(UiContextReference uiContextReference) {
80 this.uiContextReference = uiContextReference;
81 }
82
83 Optional<UiContextReference> getViewReference() {
84 return getAvailableContextReferences().stream().filter(scopeKey -> scopeKey.getAnnotation() instanceof View).findFirst();
85 }
86
87 Optional<UiContextReference> getAppReference() {
88 return getAvailableContextReferences().stream().filter(scopeKey -> scopeKey.getAnnotation() instanceof App).findFirst();
89 }
90
91 Optional<UiContextReference> getSubAppReference() {
92 return getAvailableContextReferences().stream().filter(scopeKey -> scopeKey.getAnnotation() instanceof SubApp).findFirst();
93 }
94
95 List<UiContextReference> getAvailableContextReferences() {
96 return ImmutableList.<UiContextReference>builder().add(getUiContextReference()).addAll(getUiContextReference().getParentReferences()).build();
97 }
98 }