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/*
* Copyright 2000-2012 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.vcs.changes;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.util.io.FileUtil;
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.events.VFileEvent;
import org.jetbrains.annotations.NotNull;
import java.util.*;
public class IgnoredFilesComponent {
private final Set<IgnoredFileBean> myFilesToIgnore;
private final Map<String, IgnoredFileBean> myFilesMap;
private final Set<String> myDirectoriesManuallyRemovedFromIgnored;
public IgnoredFilesComponent(final Project project, final boolean registerListener) {
myFilesToIgnore = new LinkedHashSet<IgnoredFileBean>();
myFilesMap = new HashMap<String, IgnoredFileBean>();
if (registerListener) {
project.getMessageBus().connect(project).subscribe(VirtualFileManager.VFS_CHANGES, new BulkFileListener.Adapter() {
@Override
public void after(@NotNull List<? extends VFileEvent> events) {
resetCaches();
}
});
}
myDirectoriesManuallyRemovedFromIgnored = new HashSet<String>();
}
public IgnoredFilesComponent(final IgnoredFilesComponent other) {
myFilesToIgnore = new LinkedHashSet<IgnoredFileBean>(other.myFilesToIgnore);
myFilesMap = new HashMap<String, IgnoredFileBean>(other.myFilesMap);
myDirectoriesManuallyRemovedFromIgnored = new HashSet<String>(other.myDirectoriesManuallyRemovedFromIgnored);
}
public void add(final IgnoredFileBean... filesToIgnore) {
synchronized (myFilesToIgnore) {
Collections.addAll(myFilesToIgnore, filesToIgnore);
addIgnoredFiles(filesToIgnore);
}
}
public Set<String> getDirectoriesManuallyRemovedFromIgnored() {
return Collections.unmodifiableSet(myDirectoriesManuallyRemovedFromIgnored);
}
public void setDirectoriesManuallyRemovedFromIgnored(Set<String> directories) {
myDirectoriesManuallyRemovedFromIgnored.clear();
myDirectoriesManuallyRemovedFromIgnored.addAll(directories);
}
public void addIgnoredDirectoryImplicitly(@NotNull String path, @NotNull Project project) {
synchronized (myFilesToIgnore) {
if (myDirectoriesManuallyRemovedFromIgnored.contains(path) || myDirectoriesManuallyRemovedFromIgnored.contains(path + "/")) {
return;
}
for (IgnoredFileBean bean : myFilesToIgnore) {
if (bean.getType() == IgnoreSettingsType.UNDER_DIR && FileUtil.isAncestor(bean.getPath(), path, false)) {
return;
}
}
List<IgnoredFileBean> toRemove = new ArrayList<IgnoredFileBean>();
for (IgnoredFileBean bean : myFilesToIgnore) {
if ((bean.getType() == IgnoreSettingsType.UNDER_DIR || bean.getType() == IgnoreSettingsType.FILE) &&
FileUtil.isAncestor(path, bean.getPath(), false)) {
toRemove.add(bean);
}
}
myFilesToIgnore.removeAll(toRemove);
myFilesToIgnore.add(IgnoredBeanFactory.ignoreUnderDirectory(path, project));
}
}
private void addIgnoredFiles(final IgnoredFileBean... filesToIgnore) {
for (IgnoredFileBean bean : filesToIgnore) {
if (IgnoreSettingsType.FILE.equals(bean.getType())) {
final Project project = bean.getProject();
final VirtualFile baseDir = project.getBaseDir();
if (baseDir != null) {
// if baseDir == null, then nothing will be added to map, but check will still be correct through set
myFilesMap.put(FilePathsHelper.convertPath(baseDir.getPath(), bean.getPath()), bean);
}
}
}
}
public void clear() {
synchronized (myFilesToIgnore) {
myFilesToIgnore.clear();
myFilesMap.clear();
}
}
public boolean isEmpty() {
synchronized (myFilesToIgnore) {
return myFilesToIgnore.isEmpty();
}
}
public void set(final IgnoredFileBean... filesToIgnore) {
synchronized (myFilesToIgnore) {
myFilesToIgnore.clear();
Collections.addAll(myFilesToIgnore, filesToIgnore);
myFilesMap.clear();
addIgnoredFiles(filesToIgnore);
}
}
public IgnoredFileBean[] getFilesToIgnore() {
synchronized (myFilesToIgnore) {
return myFilesToIgnore.toArray(new IgnoredFileBean[myFilesToIgnore.size()]);
}
}
private void resetCaches() {
synchronized (myFilesToIgnore) {
for (IgnoredFileBean bean : myFilesToIgnore) {
bean.resetCache();
}
}
}
public boolean isIgnoredFile(@NotNull VirtualFile file) {
synchronized (myFilesToIgnore) {
if (myFilesToIgnore.size() == 0) return false;
final String path = FilePathsHelper.convertPath(file);
final IgnoredFileBean fileBean = myFilesMap.get(path);
if (fileBean != null && fileBean.matchesFile(file)) return true;
for (IgnoredFileBean bean : myFilesToIgnore) {
if (bean.matchesFile(file)) return true;
}
return false;
}
}
}
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