/*
 * 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.openapi.vfs.newvfs.persistent.PersistentFS;
import com.intellij.util.LineSeparator;
import com.intellij.util.containers.ContainerUtil;
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.nio.charset.Charset;
import java.util.Collection;
import java.util.Collections;

public class VirtualFileImpl extends VirtualFileSystemEntry {
  private Charset myCharset;

  VirtualFileImpl(int nameId, VirtualDirectoryImpl parent, int id, @PersistentFS.Attributes final int attributes) {
    super(nameId, parent, id, attributes);
  }

  @Override
  protected void storeCharset(Charset charset) {
    myCharset = charset;
  }

  @Override
  protected Charset getStoredCharset() {
    return myCharset;
  }

  @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);
  }
}

@@ -1241,41 +1241,8 @@
 am;%0A
-import java.nio.charset.Charset;%0A
 impo
@@ -1262,24 +1262,24 @@
 Collection;%0A
+
 import java.
@@ -1362,37 +1362,8 @@
 ry %7B
-%0A  private Charset myCharset;
 %0A%0A  
@@ -1472,24 +1472,24 @@
 tributes) %7B%0A
+
     super(na
@@ -1528,179 +1528,8 @@
  %7D%0A%0A
-  @Override%0A  protected void storeCharset(Charset charset) %7B%0A    myCharset = charset;%0A  %7D%0A%0A  @Override%0A  protected Charset getStoredCharset() %7B%0A    return myCharset;%0A  %7D%0A%0A
   @O

store vfs charset in user data