| /* |
| * Copyright 2000-2009 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.vcs.changes; |
| |
| import com.intellij.openapi.application.ApplicationManager; |
| import com.intellij.openapi.editor.Document; |
| import com.intellij.openapi.fileEditor.FileDocumentManager; |
| import com.intellij.openapi.util.Computable; |
| import com.intellij.openapi.vcs.FilePath; |
| import com.intellij.openapi.vcs.history.VcsRevisionNumber; |
| import com.intellij.openapi.vfs.VirtualFile; |
| import org.jetbrains.annotations.NonNls; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| /** |
| * @author max |
| */ |
| public class CurrentContentRevision implements ContentRevision { |
| protected FilePath myFile; |
| |
| public CurrentContentRevision(final FilePath file) { |
| myFile = file; |
| } |
| |
| @Nullable |
| public String getContent() { |
| VirtualFile vFile = getVirtualFile(); |
| if (vFile == null) { |
| myFile.refresh(); |
| vFile = getVirtualFile(); |
| if (vFile == null) return null; |
| } |
| final VirtualFile finalVFile = vFile; |
| final Document doc = ApplicationManager.getApplication().runReadAction(new Computable<Document>() { |
| public Document compute() { |
| return FileDocumentManager.getInstance().getDocument(finalVFile); |
| }}); |
| if (doc == null) return null; |
| return doc.getText(); |
| } |
| |
| @Nullable |
| public VirtualFile getVirtualFile() { |
| final VirtualFile vFile = myFile.getVirtualFile(); |
| if (vFile == null || !vFile.isValid()) return null; |
| return vFile; |
| } |
| |
| @NotNull |
| public FilePath getFile() { |
| return myFile; |
| } |
| |
| @NotNull |
| public VcsRevisionNumber getRevisionNumber() { |
| return VcsRevisionNumber.NULL; |
| } |
| |
| public static ContentRevision create(FilePath file) { |
| if (file.getFileType().isBinary()) { |
| return new CurrentBinaryContentRevision(file); |
| } |
| return new CurrentContentRevision(file); |
| } |
| |
| @NonNls |
| public String toString() { |
| return "CurrentContentRevision:" + myFile; |
| } |
| } |