| /* |
| * 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.psi.impl; |
| |
| import com.intellij.openapi.fileTypes.FileTypeRegistry; |
| import com.intellij.openapi.vfs.VfsUtilCore; |
| import com.intellij.openapi.vfs.VirtualFile; |
| import com.intellij.openapi.vfs.VirtualFileVisitor; |
| import com.intellij.psi.PsiBundle; |
| import com.intellij.psi.PsiDirectory; |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.PsiFile; |
| import com.intellij.util.IncorrectOperationException; |
| import org.jetbrains.annotations.NotNull; |
| |
| public class CheckUtil { |
| private CheckUtil() { } |
| |
| public static void checkWritable(@NotNull final PsiElement element) throws IncorrectOperationException { |
| if (!element.isWritable()) { |
| if (element instanceof PsiDirectory) { |
| throw new IncorrectOperationException( |
| PsiBundle.message("cannot.modify.a.read.only.directory", ((PsiDirectory)element).getVirtualFile().getPresentableUrl())); |
| } |
| else { |
| PsiFile file = element.getContainingFile(); |
| if (file == null) { |
| throw new IncorrectOperationException(); |
| } |
| final VirtualFile virtualFile = file.getVirtualFile(); |
| if (virtualFile == null) { |
| throw new IncorrectOperationException(); |
| } |
| throw new IncorrectOperationException(PsiBundle.message("cannot.modify.a.read.only.file", virtualFile.getPresentableUrl())); |
| } |
| } |
| } |
| |
| public static void checkDelete(@NotNull final VirtualFile file) throws IncorrectOperationException { |
| VfsUtilCore.visitChildrenRecursively(file, new VirtualFileVisitor(VirtualFileVisitor.NO_FOLLOW_SYMLINKS) { |
| @Override |
| public boolean visitFile(@NotNull VirtualFile file) { |
| if (FileTypeRegistry.getInstance().isFileIgnored(file)) { |
| return false; |
| } |
| if (!file.isWritable()) { |
| throw new IncorrectOperationException(PsiBundle.message("cannot.delete.a.read.only.file", file.getPresentableUrl())); |
| } |
| return true; |
| } |
| }); |
| } |
| } |