| /* |
| * Copyright 2000-2012 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.newvfs; |
| |
| import com.intellij.openapi.application.ApplicationManager; |
| import com.intellij.openapi.util.ThrowableComputable; |
| import com.intellij.openapi.vfs.VirtualFile; |
| import com.intellij.openapi.vfs.VirtualFileWithId; |
| import com.intellij.openapi.vfs.encoding.EncodingRegistry; |
| import org.jetbrains.annotations.NonNls; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| import java.io.IOException; |
| import java.util.Collection; |
| |
| /** |
| * @author max |
| */ |
| public abstract class NewVirtualFile extends VirtualFile implements VirtualFileWithId { |
| |
| @Override |
| public boolean isValid() { |
| ApplicationManager.getApplication().assertReadAccessAllowed(); |
| return exists(); |
| } |
| |
| @Override |
| @NotNull |
| public byte[] contentsToByteArray() throws IOException { |
| throw new IOException("Cannot get content of " + this); |
| } |
| |
| @Override |
| @NotNull |
| public abstract NewVirtualFileSystem getFileSystem(); |
| |
| @Override |
| public abstract NewVirtualFile getParent(); |
| |
| @Override |
| @Nullable |
| public abstract NewVirtualFile getCanonicalFile(); |
| |
| @Override |
| @Nullable |
| public abstract NewVirtualFile findChild(@NotNull @NonNls final String name); |
| |
| @Nullable |
| public abstract NewVirtualFile refreshAndFindChild(@NotNull String name); |
| |
| @Nullable |
| public abstract NewVirtualFile findChildIfCached(@NotNull String name); |
| |
| |
| public abstract void setTimeStamp(final long time) throws IOException; |
| |
| @NotNull |
| public abstract CharSequence getNameSequence(); |
| |
| @Override |
| public abstract int getId(); |
| |
| @Nullable @Deprecated |
| public NewVirtualFile findChildById(int id) {return null;} |
| |
| @Nullable @Deprecated |
| public NewVirtualFile findChildByIdIfCached(int id) {return null;} |
| |
| @Override |
| public void refresh(final boolean asynchronous, final boolean recursive, final Runnable postRunnable) { |
| RefreshQueue.getInstance().refresh(asynchronous, recursive, postRunnable, this); |
| } |
| |
| public abstract void setWritable(boolean writable) throws IOException; |
| |
| public abstract void markDirty(); |
| |
| public abstract void markDirtyRecursively(); |
| |
| public abstract boolean isDirty(); |
| |
| public abstract void markClean(); |
| |
| @Override |
| public void move(final Object requestor, @NotNull final VirtualFile newParent) throws IOException { |
| if (!exists()) { |
| throw new IOException("File to move does not exist: " + getPath()); |
| } |
| |
| if (!newParent.exists()) { |
| throw new IOException("Destination folder does not exist: " + newParent.getPath()); |
| } |
| |
| if (!newParent.isDirectory()) { |
| throw new IOException("Destination is not a folder: " + newParent.getPath()); |
| } |
| |
| final VirtualFile child = newParent.findChild(getName()); |
| if (child != null) { |
| throw new IOException("Destination already exists: " + newParent.getPath() + "/" + getName()); |
| } |
| |
| EncodingRegistry.doActionAndRestoreEncoding(this, new ThrowableComputable<VirtualFile, IOException>() { |
| @Override |
| public VirtualFile compute() throws IOException { |
| getFileSystem().moveFile(requestor, NewVirtualFile.this, newParent); |
| return NewVirtualFile.this; |
| } |
| }); |
| } |
| |
| @NotNull |
| public abstract Collection<VirtualFile> getCachedChildren(); |
| |
| /** iterated children will NOT contain NullVirtualFile.INSTANCE */ |
| @NotNull |
| public abstract Iterable<VirtualFile> iterInDbChildren(); |
| |
| } |