| /******************************************************************************* |
| * Copyright (c) 2000, 2005 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.ltk.internal.core.refactoring; |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IPath; |
| |
| import org.eclipse.core.filebuffers.FileBuffers; |
| import org.eclipse.core.filebuffers.ITextFileBuffer; |
| import org.eclipse.core.filebuffers.ITextFileBufferManager; |
| |
| import org.eclipse.core.resources.IFile; |
| |
| import org.eclipse.jface.text.IDocument; |
| |
| import org.eclipse.ltk.core.refactoring.RefactoringStatus; |
| |
| /** |
| * Helper class for text file changes. |
| */ |
| public class TextChanges { |
| |
| private TextChanges() { |
| // no instance |
| } |
| |
| public static IDocument getDocument(IFile file) throws CoreException { |
| ITextFileBufferManager manager= FileBuffers.getTextFileBufferManager(); |
| IPath path= file.getFullPath(); |
| ITextFileBuffer buffer= manager.getTextFileBuffer(path); |
| if (buffer == null) |
| return null; |
| return buffer.getDocument(); |
| |
| } |
| |
| public static RefactoringStatus isValid(IDocument document, int length) throws CoreException { |
| RefactoringStatus result= new RefactoringStatus(); |
| if (length != document.getLength()) { |
| result.addFatalError(RefactoringCoreMessages.TextChanges_error_document_content_changed); |
| } |
| return result; |
| } |
| } |