document.set(classFile.getSource());
String source= classFile.getSource(); if (source == null) source= ""; document.set(source);
	protected boolean setDocumentContent(IDocument document, IEditorInput editorInput, String encoding) throws CoreException {		if (editorInput instanceof IClassFileEditorInput) {			IClassFile classFile= ((IClassFileEditorInput) editorInput).getClassFile();			document.set(classFile.getSource());			return true;		}		return super.setDocumentContent(document, editorInput, encoding);	}