private static MarkupException createMarkupException(
Component component, ComponentTag tag, Set<? extends String> tagNames) {
String msg =
String.format(
"Component [%s] (path = [%s]) must be applied to a tag of type [%s], not: %s",
component.getId(),
component.getPath(),
Joiner.on(',').join(tagNames),
tag.toUserDebugString());
throw new MarkupException(component.getMarkup().getMarkupResourceStream(), msg);
}
/** {@inheritDoc} */
@Override
public ComponentTag getComponentTag(Component c) {
IMarkupFragment markup = c.getMarkup();
MarkupStream stream = new MarkupStream(markup);
return stream.getTag();
}