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/*
* 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.
*/
/*
* @author max
*/
package com.intellij.openapi.vfs.newvfs.impl;
import com.intellij.openapi.vfs.VfsUtilCore;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.openapi.vfs.newvfs.NewVirtualFile;
import com.intellij.openapi.vfs.newvfs.NewVirtualFileSystem;
import com.intellij.util.LineSeparator;
import com.intellij.util.containers.ContainerUtil;
import com.intellij.util.keyFMap.KeyFMap;
import org.jetbrains.annotations.NonNls;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.Collection;
import java.util.Collections;
public class VirtualFileImpl extends VirtualFileSystemEntry {
VirtualFileImpl(int id, VfsData.Segment segment, VirtualDirectoryImpl parent) {
super(id, segment, parent);
}
@Override
@Nullable
public NewVirtualFile findChild(@NotNull @NonNls final String name) {
return null;
}
@NotNull
@Override
public Collection<VirtualFile> getCachedChildren() {
return Collections.emptyList();
}
@NotNull
@Override
public Iterable<VirtualFile> iterInDbChildren() {
return ContainerUtil.emptyIterable();
}
@Override
@NotNull
public NewVirtualFileSystem getFileSystem() {
final VirtualFileSystemEntry parent = getParent();
assert parent != null;
return parent.getFileSystem();
}
@Override
@Nullable
public NewVirtualFile refreshAndFindChild(@NotNull final String name) {
return null;
}
@Override
@Nullable
public NewVirtualFile findChildIfCached(@NotNull final String name) {
return null;
}
@Override
public VirtualFile[] getChildren() {
return EMPTY_ARRAY;
}
@Override
public boolean isDirectory() {
return false;
}
@Override
@NotNull
public InputStream getInputStream() throws IOException {
return VfsUtilCore.inputStreamSkippingBOM(ourPersistence.getInputStream(this), this);
}
@Override
@NotNull
public byte[] contentsToByteArray() throws IOException {
return contentsToByteArray(true);
}
@NotNull
@Override
public byte[] contentsToByteArray(boolean cacheContent) throws IOException {
return ourPersistence.contentsToByteArray(this, cacheContent);
}
@Override
@NotNull
public OutputStream getOutputStream(final Object requestor, final long modStamp, final long timeStamp) throws IOException {
return VfsUtilCore.outputStreamAddingBOM(ourPersistence.getOutputStream(this, requestor, modStamp, timeStamp), this);
}
@Override
public String getDetectedLineSeparator() {
if (getFlagInt(SYSTEM_LINE_SEPARATOR_DETECTED)) {
return LineSeparator.getSystemLineSeparator().getSeparatorString();
}
return super.getDetectedLineSeparator();
}
@Override
public void setDetectedLineSeparator(String separator) {
boolean hasSystemSeparator = LineSeparator.getSystemLineSeparator().getSeparatorString().equals(separator);
setFlagInt(SYSTEM_LINE_SEPARATOR_DETECTED, hasSystemSeparator);
super.setDetectedLineSeparator(hasSystemSeparator ? null : separator);
}
@Override
protected void setUserMap(KeyFMap map) {
mySegment.setUserMap(Math.abs(getId()), map);
}
@NotNull
@Override
protected KeyFMap getUserMap() {
return mySegment.getUserMap(this);
}
@Override
protected boolean changeUserMap(KeyFMap oldMap, KeyFMap newMap) {
return mySegment.changeUserMap(Math.abs(getId()), oldMap, UserDataInterner.internUserData(newMap));
}
}
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