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/*
* Copyright 2000-2009 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.
*/
/*
* Created by IntelliJ IDEA.
* User: yole
* Date: 20.12.2006
* Time: 15:24:28
*/
package com.intellij.openapi.vcs.changes;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.util.Comparing;
import com.intellij.openapi.util.io.FileUtil;
import com.intellij.openapi.vfs.LocalFileSystem;
import com.intellij.openapi.vfs.VfsUtil;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.openapi.vfs.newvfs.impl.NullVirtualFile;
import com.intellij.util.PatternUtil;
import org.jetbrains.annotations.Nullable;
import java.io.File;
import java.util.regex.Matcher;
public class IgnoredFileBean {
private final String myPath;
private final String myFilenameIfFile;
private final String myMask;
private final Matcher myMatcher;
private final IgnoreSettingsType myType;
private final Project myProject;
private volatile VirtualFile myCachedResolved;
IgnoredFileBean(String path, IgnoreSettingsType type, Project project) {
myPath = path;
myType = type;
if (IgnoreSettingsType.FILE.equals(type)) {
myFilenameIfFile = new File(path).getName();
} else {
myFilenameIfFile = null;
}
myProject = project;
myMask = null;
myMatcher = null;
}
Project getProject() {
return myProject;
}
IgnoredFileBean(String mask) {
myType = IgnoreSettingsType.MASK;
myMask = mask;
if (mask == null) {
myMatcher = null;
}
else {
myMatcher = PatternUtil.fromMask(mask).matcher("");
}
myPath = null;
myFilenameIfFile = null;
myProject = null;
}
@Nullable
public String getPath() {
return myPath;
}
@Nullable
public String getMask() {
return myMask;
}
public IgnoreSettingsType getType() {
return myType;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
IgnoredFileBean that = (IgnoredFileBean)o;
if (myPath != null ? !myPath.equals(that.myPath) : that.myPath != null) return false;
if (myMask != null ? !myMask.equals(that.myMask) : that.myMask != null) return false;
if (myType != that.myType) return false;
return true;
}
@Override
public int hashCode() {
int result = myPath != null ? myPath.hashCode() : 0;
result = 31 * result + (myMask != null ? myMask.hashCode() : 0);
result = 31 * result + myType.hashCode();
return result;
}
public boolean matchesFile(VirtualFile file) {
if (myType == IgnoreSettingsType.MASK) {
myMatcher.reset(file.getName());
return myMatcher.matches();
} else {
// quick check for 'file' == exact match pattern
if (IgnoreSettingsType.FILE.equals(myType) && ! myFilenameIfFile.equals(file.getName())) return false;
VirtualFile selector = resolve();
if (Comparing.equal(selector, NullVirtualFile.INSTANCE)) return false;
if (myType == IgnoreSettingsType.FILE) {
return Comparing.equal(selector, file);
}
else {
if ("./".equals(myPath)) {
// special case for ignoring the project base dir (IDEADEV-16056)
return !file.isDirectory() && Comparing.equal(file.getParent(), selector);
}
return VfsUtil.isAncestor(selector, file, false);
}
}
}
private VirtualFile resolve() {
if (myCachedResolved == null) {
VirtualFile resolved = doResolve();
myCachedResolved = resolved != null ? resolved : NullVirtualFile.INSTANCE;
}
return myCachedResolved;
}
@Nullable
private VirtualFile doResolve() {
if (myProject == null || myProject.isDisposed()) { return null; }
VirtualFile baseDir = myProject.getBaseDir();
String path = FileUtil.toSystemIndependentName(myPath);
if (baseDir == null) {
return LocalFileSystem.getInstance().findFileByPath(path);
}
VirtualFile resolvedRelative = baseDir.findFileByRelativePath(path);
if (resolvedRelative != null) return resolvedRelative;
return LocalFileSystem.getInstance().findFileByPath(path);
}
public void resetCache() {
myCachedResolved = null;
}
}
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