@NotNull protected String doExtract( final PsiDirectory targetDirectory, final String targetfileName, final T first, final T last, final Language includingLanguage) throws IncorrectOperationException { final PsiFile file = targetDirectory.createFile(targetfileName); Project project = targetDirectory.getProject(); final PsiDocumentManager documentManager = PsiDocumentManager.getInstance(project); final Document document = documentManager.getDocument(file); document.replaceString(0, document.getTextLength(), first.getText().trim()); documentManager.commitDocument(document); CodeStyleManager.getInstance(PsiManager.getInstance(project).getProject()) .reformat(file); // TODO: adjustLineIndent final String relativePath = PsiFileSystemItemUtil.getRelativePath(first.getContainingFile(), file); if (relativePath == null) throw new IncorrectOperationException("Cannot extract!"); return relativePath; }