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
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
|
/**
* Copyright (C) 2008 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.google.inject.internal;
import com.google.inject.ConfigurationException;
import com.google.inject.Stage;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.Lists;
import com.google.inject.spi.InjectionPoint;
import com.google.inject.spi.InjectionRequest;
import com.google.inject.spi.StaticInjectionRequest;
import java.util.List;
import java.util.Set;
/**
* Handles {@code Binder.requestInjection} and {@code Binder.requestStaticInjection} commands.
*
* @author crazybob@google.com (Bob Lee)
* @author jessewilson@google.com (Jesse Wilson)
* @author mikeward@google.com (Mike Ward)
*/
final class InjectionRequestProcessor extends AbstractProcessor {
private final List<StaticInjection> staticInjections = Lists.newArrayList();
private final Initializer initializer;
InjectionRequestProcessor(Errors errors, Initializer initializer) {
super(errors);
this.initializer = initializer;
}
@Override public Boolean visit(StaticInjectionRequest request) {
staticInjections.add(new StaticInjection(injector, request));
return true;
}
@Override public Boolean visit(InjectionRequest<?> request) {
Set<InjectionPoint> injectionPoints;
try {
injectionPoints = request.getInjectionPoints();
} catch (ConfigurationException e) {
errors.merge(e.getErrorMessages());
injectionPoints = e.getPartialValue();
}
initializer.requestInjection(
injector, request.getInstance(), null, request.getSource(), injectionPoints);
return true;
}
void validate() {
for (StaticInjection staticInjection : staticInjections) {
staticInjection.validate();
}
}
void injectMembers() {
/*
* TODO: If you request both a parent class and one of its
* subclasses, the parent class's static members will be
* injected twice.
*/
for (StaticInjection staticInjection : staticInjections) {
staticInjection.injectMembers();
}
}
/** A requested static injection. */
private class StaticInjection {
final InjectorImpl injector;
final Object source;
final StaticInjectionRequest request;
ImmutableList<SingleMemberInjector> memberInjectors;
public StaticInjection(InjectorImpl injector, StaticInjectionRequest request) {
this.injector = injector;
this.source = request.getSource();
this.request = request;
}
void validate() {
Errors errorsForMember = errors.withSource(source);
Set<InjectionPoint> injectionPoints;
try {
injectionPoints = request.getInjectionPoints();
} catch (ConfigurationException e) {
errors.merge(e.getErrorMessages());
injectionPoints = e.getPartialValue();
}
memberInjectors = injector.membersInjectorStore.getInjectors(
injectionPoints, errorsForMember);
}
void injectMembers() {
try {
injector.callInContext(new ContextualCallable<Void>() {
public Void call(InternalContext context) {
for (SingleMemberInjector memberInjector : memberInjectors) {
// Run injections if we're not in tool stage (ie, PRODUCTION or DEV),
// or if we are in tool stage and the injection point is toolable.
if(injector.options.stage != Stage.TOOL || memberInjector.getInjectionPoint().isToolable()) {
memberInjector.inject(errors, context, null);
}
}
return null;
}
});
} catch (ErrorsException e) {
throw new AssertionError();
}
}
}
}
|
