Описание тега struts2-json-plugin
Struts2 JSON Plugin. The JSON plugin provides a JSON support for actions in Struts2.
In latest communication practice across almost all the cross platforms JSON is the best light weight technique.
Struts2-json-plugin provides a "json" result type that serializes actions into JSON. i.e. Whole object will be serialized into JSON format.
Official Documentation: http://struts.apache.org/2.2.3/docs/json-plugin.html