platform/platform-impl/src/com/intellij/openapi/vfs/impl/win32/Win32LocalFileSystem.java

   1 /*
   2  * Copyright 2000-2009 JetBrains s.r.o.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 package com.intellij.openapi.vfs.impl.win32;
  17
  18 import com.intellij.openapi.vfs.VirtualFile;
  19 import com.intellij.openapi.vfs.impl.local.LocalFileSystemBase;
  20 import org.jetbrains.annotations.NotNull;
  21
  22 import java.io.FileNotFoundException;
  23 import java.util.Collection;
  24 import java.util.Set;
  25
  26 /**
  27  * @author Dmitry Avdeev
  28  */
  29 public class Win32LocalFileSystem extends LocalFileSystemBase {
  30
  31   private static Win32LocalFileSystem ourSystem;
  32
  33   public static Win32LocalFileSystem getWin32Instance() {
  34     if (ourSystem == null) {
  35       ourSystem = new Win32LocalFileSystem();
  36     }
  37     return ourSystem;
  38   }
  39
  40   public static void release() {
  41     ourSystem = null;
  42   }
  43
  44   private final Win32Kernel myKernel = new Win32Kernel();
  45
  46   private Win32LocalFileSystem() {
  47   }
  48
  49   @Override
  50   public String[] list(VirtualFile file) {
  51     try {
  52       String[] strings = myKernel.list(file.getPath());
  53       //assert Arrays.asList(strings).equals(Arrays.asList(super.list(file)));
  54       return strings;
  55     }
  56     catch (Exception e) {
  57 //      assert false;
  58       return super.list(file);
  59     }
  60   }
  61
  62   @Override
  63   public boolean exists(VirtualFile fileOrDirectory) {
  64     if (fileOrDirectory.getParent() == null) return true;
  65     boolean b = myKernel.exists(fileOrDirectory.getPath());
  66     //assert b == super.exists(fileOrDirectory);
  67     return b;
  68   }
  69
  70   @Override
  71   public boolean isDirectory(VirtualFile file) {
  72     try {
  73       boolean b = myKernel.isDirectory(file.getPath());
  74       //assert b == super.isDirectory(file);
  75       return b;
  76     }
  77     catch (FileNotFoundException e) {
  78 //      assert false;
  79       return super.isDirectory(file);
  80     }
  81   }
  82
  83   @Override
  84   public boolean isWritable(VirtualFile file) {
  85     try {
  86       boolean b = myKernel.isWritable(file.getPath());
  87       //assert b == super.isWritable(file);
  88       return b;
  89     }
  90     catch (FileNotFoundException e) {
  91 //      assert false: file;
  92       return super.isWritable(file);
  93     }
  94   }
  95
  96   @Override
  97   public long getTimeStamp(VirtualFile file) {
  98     try {
  99       long timeStamp = myKernel.getTimeStamp(file.getPath());
 100       //assert timeStamp == super.getTimeStamp(file);
 101       return timeStamp;
 102     }
 103     catch (FileNotFoundException e) {
 104 //      assert false;
 105       return super.getTimeStamp(file);
 106     }
 107   }
 108
 109   @Override
 110   public WatchRequest addRootToWatch(@NotNull String rootPath, boolean toWatchRecursively) {
 111     throw new UnsupportedOperationException();
 112   }
 113
 114   @NotNull
 115   @Override
 116   public Set<WatchRequest> addRootsToWatch(@NotNull Collection<String> rootPaths, boolean toWatchRecursively) {
 117     throw new UnsupportedOperationException();
 118   }
 119
 120   @Override
 121   public void removeWatchedRoots(@NotNull Collection<WatchRequest> rootsToWatch) {
 122     throw new UnsupportedOperationException();
 123   }
 124
 125   @Override
 126   public void removeWatchedRoot(@NotNull WatchRequest watchRequest) {
 127     throw new UnsupportedOperationException();
 128   }
 129
 130 }