/*
* Copyright 2000-2011 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.smartPointers;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.util.Comparing;
import com.intellij.openapi.util.Segment;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.psi.PsiDirectory;
import com.intellij.psi.PsiElement;
import com.intellij.psi.PsiFile;
import consulo.annotations.RequiredReadAction;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
/**
* User: cdr
*/
class DirElementInfo extends SmartPointerElementInfo {
private final VirtualFile myVirtualFile;
private final Project myProject;
public DirElementInfo(@NotNull PsiDirectory directory) {
myProject = directory.getProject();
myVirtualFile = directory.getVirtualFile();
}
@RequiredReadAction
@Override
public PsiElement restoreElement() {
return SelfElementInfo.restoreDirectoryFromVirtual(myVirtualFile, myProject);
}
@Override
public PsiFile restoreFile() {
return null;
}
@Override
public int elementHashCode() {
return myVirtualFile.hashCode();
}
@Override
public boolean pointsToTheSameElementAs(@NotNull SmartPointerElementInfo other) {
return other instanceof DirElementInfo && Comparing.equal(myVirtualFile, ((DirElementInfo)other).myVirtualFile);
}
@Override
public VirtualFile getVirtualFile() {
return myVirtualFile;
}
@Override
public Segment getRange() {
return null;
}
@NotNull
@Override
public Project getProject() {
return myProject;
}
@Nullable
@Override
public Segment getPsiRange() {
return null;
}
@Override
public String toString() {
return "dir{" + myVirtualFile + "}";
}
}