How to access url parameters in Action classes Struts 2

Question

I\'m new to Java EE and Struts2. I need to know if I\'m doing it wrong or not.

I\'ve got a link like this : http://localhost:8080/myProject/deleteUser?idUser=42

Answer 1

Try this:

ActionContext context = ActionContext.getContext();
Map params = context.getParameters();
String userId = findParam("idUser", params);

public String findParam(String key, Map params) {
  Object obj = params.get(key);
  if(obj != null) {
    String[] values = (String[])obj;
    return values.length > 0 ? values[0] : null;
  } 
  return null;
}