The name is the property of the model and also the property of the action class. The modelDriven interceptor pushes the model on top of the value stack, so it is easy to use it in JSP. The action object is below the model. So, it could be referenced directly using [1] prefix. See OGNL … Read more
but Struts2 cannot receive this kind of camelcase style (just first one char lower and second upper case) This is actually not true. Struts2 can receive any variable name that comply JavaBeans spec. But apart from the Java implementation of this spec. (if you want to learn more about JavaBeans, see this post What is … Read more
Use of # (pound sign) OGNL is used to refer to objects in the ActionContext as follows: objectName: object in the ValueStack (default/root object in the OGNL context), such as an Action property #objectName: object in the ActionContext but outside of the ValueStack, specifically… #objectName: ActionContext object that has been created using the Struts2 data … Read more
According to your latest update. If you are using TreeMap Struts2 cannot correctly determine type of elements inside it. Change declaration of testTreeMap from TreeMap to Map. private Map<String,ObjectCList> testTreeMap = new TreeMap<String,ObjectCList>(); Or annotate testTreeMap with com.opensymphony.xwork2.util.Element annotation to tell Struts2 what type are elements inside map. @Element(value = ObjectCList.class) private TreeMap<String,ObjectCList> testTreeMap = … Read more