String value = getActionParameter(requestContext, "value");
String oldName = getActionParameter(requestContext, "oldname");
String oldLanguage = getActionParameter(requestContext, "oldlang");
if (isBlank(name) || isBlank(language) || isBlank(oldName) || isBlank(oldLanguage))
throw new AJAXException("Invalid Metadata: name, language invalid data.");
Collection cfields = node.getMetadata().getFields(oldName);
if (cfields == null || cfields.size() == 0)
{
return insertMetadata(requestContext, resultMap, node);