static ValueExpression restore(Object value, Class type, FacesContext context) {
if (value == null) return null;
String expr = (String) value;
Application app = context.getApplication();
ExpressionFactory factory = app.getExpressionFactory();
return factory.createValueExpression(context.getELContext(), expr, type);
}
static ValueExpression restoreWithType(Object value, FacesContext context) {
if (value == null) return null;
Object[] state = (Object[]) value;
String expr = (String) state[0];
Class type = (Class) state[1];
Application app = context.getApplication();
ExpressionFactory factory = app.getExpressionFactory();
return factory.createValueExpression(context.getELContext(), expr, type);
}
private static String getMessage(FacesContext context, String messageId, String defaultMessage) {
Application app = context.getApplication();
String bundleName = app.getMessageBundle();
if (bundleName == null) return defaultMessage;
ResourceBundle bundle = app.getResourceBundle(context, bundleName);
if (bundle == null) return defaultMessage;
String msg = bundle.getString(messageId);
if (msg != null) return msg;
else return defaultMessage;
}