| /* |
| * 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.diff; |
| |
| import com.intellij.openapi.editor.Document; |
| import com.intellij.openapi.fileEditor.FileDocumentManager; |
| import com.intellij.openapi.fileEditor.OpenFileDescriptor; |
| import com.intellij.openapi.fileTypes.FileType; |
| import com.intellij.openapi.project.Project; |
| import com.intellij.openapi.util.io.FileUtil; |
| import com.intellij.openapi.vfs.LocalFileSystem; |
| import com.intellij.openapi.vfs.VirtualFile; |
| import com.intellij.util.LineSeparator; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| import java.io.File; |
| import java.io.IOException; |
| |
| public class FileContent extends DiffContent { |
| @NotNull private final VirtualFile myFile; |
| private Document myDocument; |
| private final Project myProject; |
| private final FileType myType; |
| |
| public FileContent(Project project, @NotNull VirtualFile file) { |
| myProject = project; |
| myFile = file; |
| myType = file.getFileType(); |
| } |
| |
| @Override |
| public Document getDocument() { |
| if (myDocument == null && DiffContentUtil.isTextFile(myFile)) { |
| myDocument = FileDocumentManager.getInstance().getDocument(myFile); |
| } |
| return myDocument; |
| } |
| |
| @Override |
| public OpenFileDescriptor getOpenFileDescriptor(int offset) { |
| return new OpenFileDescriptor(myProject, myFile, offset); |
| } |
| |
| @Override |
| @NotNull |
| public VirtualFile getFile() { |
| return myFile; |
| } |
| |
| @Override |
| @Nullable |
| public FileType getContentType() { |
| return myType; |
| } |
| |
| @Override |
| public byte[] getBytes() throws IOException { |
| if (myFile.isDirectory()) return null; |
| return myFile.contentsToByteArray(); |
| } |
| |
| @Override |
| public boolean isBinary() { |
| return !myFile.isDirectory() && myType.isBinary(); |
| } |
| |
| public static FileContent createFromTempFile(Project project, String name, String ext, @NotNull byte[] content) throws IOException { |
| File tempFile = FileUtil.createTempFile(name, "." + ext); |
| if (content.length != 0) { |
| FileUtil.writeToFile(tempFile, content); |
| } |
| tempFile.deleteOnExit(); |
| final LocalFileSystem lfs = LocalFileSystem.getInstance(); |
| VirtualFile file = lfs.findFileByIoFile(tempFile); |
| if (file == null) { |
| file = lfs.refreshAndFindFileByIoFile(tempFile); |
| } |
| if (file != null) { |
| return new FileContent(project, file); |
| } |
| throw new IOException("Can not create temp file for revision content"); |
| } |
| |
| @NotNull |
| @Override |
| public LineSeparator getLineSeparator() { |
| return LineSeparator.fromString(FileDocumentManager.getInstance().getLineSeparator(myFile, myProject)); |
| } |
| |
| } |