SelfEncapsulateFieldRefactoring refactoring= new SelfEncapsulateFieldRefactoring(field, RefactoringGroup.createChangeCreator(), CodeFormatterPreferencePage.getTabSize());
SelfEncapsulateFieldRefactoring refactoring= new SelfEncapsulateFieldRefactoring(field, CodeFormatterPreferencePage.getTabSize());
	public void run() {		IField field= (IField)SelectionUtil.getSingleElement(getStructuredSelection());		SelfEncapsulateFieldRefactoring refactoring= new SelfEncapsulateFieldRefactoring(field, 			RefactoringGroup.createChangeCreator(), CodeFormatterPreferencePage.getTabSize());		try  {				RefactoringAction.activateRefactoringWizard(				refactoring, 				new SelfEncapsulateFieldWizard(refactoring),				"Self Encapsulate Field");		} catch (JavaModelException e) {			ExceptionHandler.handle(e, "Self Encapsulate Field", "Cannot perform refactoring. See log for more details.");		}	}