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
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
|
/*
* 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.openapi.roots.impl;
import com.intellij.ProjectTopics;
import com.intellij.openapi.Disposable;
import com.intellij.openapi.diagnostic.Logger;
import com.intellij.openapi.fileTypes.FileTypeEvent;
import com.intellij.openapi.fileTypes.FileTypeListener;
import com.intellij.openapi.fileTypes.FileTypeManager;
import com.intellij.openapi.module.Module;
import com.intellij.openapi.module.ModuleManager;
import com.intellij.openapi.progress.ProgressManager;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.roots.ModuleRootAdapter;
import com.intellij.openapi.roots.ModuleRootEvent;
import com.intellij.openapi.roots.ModuleRootManager;
import com.intellij.openapi.util.Disposer;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.openapi.vfs.VirtualFileManager;
import com.intellij.openapi.vfs.newvfs.BulkFileListener;
import com.intellij.openapi.vfs.newvfs.NewVirtualFile;
import com.intellij.openapi.vfs.newvfs.events.VFileEvent;
import com.intellij.util.Query;
import com.intellij.util.containers.ConcurrentIntObjectMap;
import com.intellij.util.containers.StripedLockIntObjectConcurrentHashMap;
import com.intellij.util.messages.MessageBusConnection;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.jetbrains.annotations.TestOnly;
import org.jetbrains.jps.model.module.JpsModuleSourceRootType;
import java.util.List;
public class DirectoryIndexImpl extends DirectoryIndex {
private static final Logger LOG = Logger.getInstance("#com.intellij.openapi.roots.impl.DirectoryIndexImpl");
private final Project myProject;
private final MessageBusConnection myConnection;
private volatile boolean myDisposed = false;
private volatile RootIndex myRootIndex = null;
public DirectoryIndexImpl(@NotNull Project project) {
myProject = project;
myConnection = project.getMessageBus().connect(project);
subscribeToFileChanges();
markContentRootsForRefresh();
Disposer.register(project, new Disposable() {
@Override
public void dispose() {
myDisposed = true;
myRootIndex = null;
}
});
}
private void subscribeToFileChanges() {
myConnection.subscribe(FileTypeManager.TOPIC, new FileTypeListener.Adapter() {
@Override
public void fileTypesChanged(@NotNull FileTypeEvent event) {
myRootIndex = null;
}
});
myConnection.subscribe(ProjectTopics.PROJECT_ROOTS, new ModuleRootAdapter() {
@Override
public void rootsChanged(ModuleRootEvent event) {
myRootIndex = null;
}
});
myConnection.subscribe(VirtualFileManager.VFS_CHANGES, new BulkFileListener() {
@Override
public void before(@NotNull List<? extends VFileEvent> events) {
}
@Override
public void after(@NotNull List<? extends VFileEvent> events) {
RootIndex rootIndex = myRootIndex;
if (rootIndex != null && rootIndex.resetOnEvents(events)) {
myRootIndex = null;
}
}
});
}
private void markContentRootsForRefresh() {
Module[] modules = ModuleManager.getInstance(myProject).getModules();
for (Module module : modules) {
VirtualFile[] contentRoots = ModuleRootManager.getInstance(module).getContentRoots();
for (VirtualFile contentRoot : contentRoots) {
if (contentRoot instanceof NewVirtualFile) {
((NewVirtualFile)contentRoot).markDirtyRecursively();
}
}
}
}
private void dispatchPendingEvents() {
myConnection.deliverImmediately();
}
@Override
@NotNull
public Query<VirtualFile> getDirectoriesByPackageName(@NotNull String packageName, boolean includeLibrarySources) {
return getRootIndex().getDirectoriesByPackageName(packageName, includeLibrarySources);
}
@NotNull
private RootIndex getRootIndex() {
RootIndex rootIndex = myRootIndex;
if (rootIndex == null) {
myRootIndex = rootIndex = new RootIndex(myProject, new RootIndex.InfoCache() {
// Upsource can't use int-mapping because different files may have the same id there
private final ConcurrentIntObjectMap<DirectoryInfo> myInfoCache = new StripedLockIntObjectConcurrentHashMap<DirectoryInfo>();
@Override
public void cacheInfo(@NotNull VirtualFile dir, @NotNull DirectoryInfo info) {
myInfoCache.put(((NewVirtualFile)dir).getId(), info);
}
@Override
public DirectoryInfo getCachedInfo(@NotNull VirtualFile dir) {
return myInfoCache.get(((NewVirtualFile)dir).getId());
}
});
}
return rootIndex;
}
@Override
@TestOnly
public void checkConsistency() {
getRootIndex().checkConsistency();
}
@Override
public DirectoryInfo getInfoForDirectory(@NotNull VirtualFile dir) {
DirectoryInfo info = getInfoForFile(dir);
return info.isInProject() ? info : null;
}
@NotNull
@Override
public DirectoryInfo getInfoForFile(@NotNull VirtualFile file) {
checkAvailability();
dispatchPendingEvents();
if (!(file instanceof NewVirtualFile)) return NonProjectDirectoryInfo.NOT_SUPPORTED_VIRTUAL_FILE_IMPLEMENTATION;
return getRootIndex().getInfoForFile(file);
}
@Override
@Nullable
public JpsModuleSourceRootType<?> getSourceRootType(@NotNull DirectoryInfo info) {
if (info.isInModuleSource()) {
return getRootIndex().getSourceRootType(info);
}
return null;
}
@Override
public String getPackageName(@NotNull VirtualFile dir) {
checkAvailability();
if (!(dir instanceof NewVirtualFile)) return null;
return getRootIndex().getPackageName(dir);
}
private void checkAvailability() {
if (myDisposed) {
ProgressManager.checkCanceled();
LOG.error("Directory index is already disposed for " + myProject);
}
}
}
|
