String (final VirtualFile formFile) { if (myCache != null) { try { final String formUrl = formFile.getUrl(); final MyState state = myCache.getState(formUrl); if (state != null) { if (formFile.getTimeStamp() == state.getFormTimeStamp()) { return state.getClassName(); } } } catch (IOException e) { myCache.wipe(); } } return null; }