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
|
/*
* Copyright 2000-2014 JetBrains s.r.o.
*
* 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.intellij.psi.impl.search;
import com.intellij.openapi.application.ApplicationManager;
import com.intellij.openapi.util.Computable;
import com.intellij.psi.*;
import com.intellij.psi.impl.PsiManagerImpl;
import com.intellij.psi.impl.java.stubs.index.JavaAnnotationIndex;
import com.intellij.psi.search.GlobalSearchScope;
import com.intellij.psi.search.LocalSearchScope;
import com.intellij.psi.search.SearchScope;
import com.intellij.psi.search.searches.AnnotatedElementsSearch;
import com.intellij.psi.util.PsiTreeUtil;
import com.intellij.util.Processor;
import com.intellij.util.QueryExecutor;
import com.intellij.util.containers.ContainerUtil;
import org.jetbrains.annotations.NotNull;
import java.util.Collection;
import java.util.List;
/**
* @author max
*/
public class AnnotatedElementsSearcher implements QueryExecutor<PsiModifierListOwner, AnnotatedElementsSearch.Parameters> {
@Override
public boolean execute(@NotNull final AnnotatedElementsSearch.Parameters p, @NotNull final Processor<PsiModifierListOwner> consumer) {
final PsiClass annClass = p.getAnnotationClass();
assert annClass.isAnnotationType() : "Annotation type should be passed to annotated members search";
final String annotationFQN = ApplicationManager.getApplication().runReadAction(new Computable<String>() {
@Override
public String compute() {
return annClass.getQualifiedName();
}
});
assert annotationFQN != null;
final PsiManagerImpl psiManager = (PsiManagerImpl)annClass.getManager();
final SearchScope useScope = p.getScope();
final Class<? extends PsiModifierListOwner>[] types = p.getTypes();
for (final PsiAnnotation ann : getAnnotationCandidates(annClass, useScope)) {
final PsiModifierListOwner candidate = ApplicationManager.getApplication().runReadAction(new Computable<PsiModifierListOwner>() {
@Override
public PsiModifierListOwner compute() {
PsiElement parent = ann.getParent();
if (!(parent instanceof PsiModifierList)) {
return null; // Can be a PsiNameValuePair, if annotation is used to annotate annotation parameters
}
final PsiElement owner = parent.getParent();
if (!isInstanceof(owner, types)) {
return null;
}
final PsiJavaCodeReferenceElement ref = ann.getNameReferenceElement();
if (ref == null || !psiManager.areElementsEquivalent(ref.resolve(), annClass)) {
return null;
}
return (PsiModifierListOwner)owner;
}
});
if (candidate != null && !consumer.process(candidate)) {
return false;
}
}
return true;
}
private static Collection<PsiAnnotation> getAnnotationCandidates(final PsiClass annClass, final SearchScope useScope) {
return ApplicationManager.getApplication().runReadAction(new Computable<Collection<PsiAnnotation>>() {
@Override
public Collection<PsiAnnotation> compute() {
if (useScope instanceof GlobalSearchScope) {
return JavaAnnotationIndex.getInstance().get(annClass.getName(), annClass.getProject(), (GlobalSearchScope)useScope);
}
final List<PsiAnnotation> result = ContainerUtil.newArrayList();
for (PsiElement element : ((LocalSearchScope)useScope).getScope()) {
result.addAll(PsiTreeUtil.findChildrenOfType(element, PsiAnnotation.class));
}
return result;
}
});
}
public static boolean isInstanceof(PsiElement owner, Class<? extends PsiModifierListOwner>[] types) {
for (Class<? extends PsiModifierListOwner> type : types) {
if(type.isInstance(owner)) return true;
}
return false;
}
}
|
