| /* |
| * 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. |
| */ |
| package com.intellij.openapi.vfs.local; |
| |
| import com.intellij.openapi.util.io.FileUtil; |
| import com.intellij.openapi.vfs.VfsUtilCore; |
| import com.intellij.openapi.vfs.VirtualFile; |
| import com.intellij.openapi.vfs.VirtualFileSystem; |
| import org.jetbrains.annotations.NotNull; |
| |
| import java.io.*; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** |
| * @author yole |
| */ |
| public class CoreLocalVirtualFile extends VirtualFile { |
| private final CoreLocalFileSystem myFileSystem; |
| private final File myIoFile; |
| private VirtualFile[] myChildren; |
| private final boolean isDirectory; |
| |
| public CoreLocalVirtualFile(@NotNull CoreLocalFileSystem fileSystem, @NotNull File ioFile) { |
| this(fileSystem, ioFile, ioFile.isDirectory()); |
| } |
| |
| public CoreLocalVirtualFile(@NotNull CoreLocalFileSystem fileSystem, @NotNull File ioFile, boolean isDirectory) { |
| myFileSystem = fileSystem; |
| myIoFile = ioFile; |
| this.isDirectory = isDirectory; |
| } |
| |
| @NotNull |
| @Override |
| public String getName() { |
| return myIoFile.getName(); |
| } |
| |
| @NotNull |
| @Override |
| public VirtualFileSystem getFileSystem() { |
| return myFileSystem; |
| } |
| |
| @NotNull |
| @Override |
| public String getPath() { |
| return FileUtil.toSystemIndependentName(myIoFile.getAbsolutePath()); |
| } |
| |
| @Override |
| public boolean isWritable() { |
| return false; // Core VFS isn't writable. |
| } |
| |
| @Override |
| public boolean isDirectory() { |
| return isDirectory; |
| } |
| |
| @Override |
| public boolean isValid() { |
| return true; // Core VFS cannot change, doesn't refresh so once found, any file is writable |
| } |
| |
| @Override |
| public VirtualFile getParent() { |
| File parentFile = myIoFile.getParentFile(); |
| return parentFile != null ? new CoreLocalVirtualFile(myFileSystem, parentFile) : null; |
| } |
| |
| @Override |
| public VirtualFile[] getChildren() { |
| VirtualFile[] answer = myChildren; |
| if (answer == null) { |
| List<VirtualFile> result = new ArrayList<VirtualFile>(); |
| final File[] files = myIoFile.listFiles(); |
| if (files == null) { |
| answer = EMPTY_ARRAY; |
| } |
| else { |
| for (File file : files) { |
| result.add(new CoreLocalVirtualFile(myFileSystem, file)); |
| } |
| answer = result.toArray(new VirtualFile[result.size()]); |
| } |
| myChildren = answer; |
| } |
| return answer; |
| } |
| |
| @NotNull |
| @Override |
| public OutputStream getOutputStream(Object requestor, long newModificationStamp, long newTimeStamp) throws IOException { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @NotNull |
| @Override |
| public byte[] contentsToByteArray() throws IOException { |
| return FileUtil.loadFileBytes(myIoFile); |
| } |
| |
| @Override |
| public long getTimeStamp() { |
| return myIoFile.lastModified(); |
| } |
| |
| @Override |
| public long getLength() { |
| return myIoFile.length(); |
| } |
| |
| @Override |
| public void refresh(boolean asynchronous, boolean recursive, Runnable postRunnable) { |
| } |
| |
| @Override |
| public InputStream getInputStream() throws IOException { |
| return VfsUtilCore.inputStreamSkippingBOM(new BufferedInputStream(new FileInputStream(myIoFile)), this); |
| } |
| |
| @Override |
| public long getModificationStamp() { |
| return 0; |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (this == o) return true; |
| if (o == null || getClass() != o.getClass()) return false; |
| |
| CoreLocalVirtualFile that = (CoreLocalVirtualFile)o; |
| |
| return myIoFile.equals(that.myIoFile); |
| } |
| |
| @Override |
| public int hashCode() { |
| return myIoFile.hashCode(); |
| } |
| } |