How to use

getAttributeNames

method

in

org.springframework.mock.web.MockPageContext

@Override
public Enumeration<String> getAttributeNamesInScope(int scope) {
  switch (scope) {
    case PAGE_SCOPE:
      return getAttributeNames();
    case REQUEST_SCOPE:
      return this.request.getAttributeNames();
    case SESSION_SCOPE:
      HttpSession session = this.request.getSession(false);
      return (session != null ? session.getAttributeNames() : Collections.emptyEnumeration());
    case APPLICATION_SCOPE:
      return this.servletContext.getAttributeNames();
    default:
      throw new IllegalArgumentException("Invalid scope: " + scope);
  }
}

@Override
public Enumeration<String> getAttributeNamesInScope(int scope) {
  switch (scope) {
    case PAGE_SCOPE:
      return getAttributeNames();
    case REQUEST_SCOPE:
      return this.request.getAttributeNames();
    case SESSION_SCOPE:
      HttpSession session = this.request.getSession(false);
      return (session != null ? session.getAttributeNames() : null);
    case APPLICATION_SCOPE:
      return this.servletContext.getAttributeNames();
    default:
      throw new IllegalArgumentException("Invalid scope: " + scope);
  }
}

@Override
public Enumeration<String> getAttributeNamesInScope(int scope) {
  switch (scope) {
    case PAGE_SCOPE:
      return getAttributeNames();
    case REQUEST_SCOPE:
      return this.request.getAttributeNames();
    case SESSION_SCOPE:
      HttpSession session = this.request.getSession(false);
      return (session != null ? session.getAttributeNames() : Collections.emptyEnumeration());
    case APPLICATION_SCOPE:
      return this.servletContext.getAttributeNames();
    default:
      throw new IllegalArgumentException("Invalid scope: " + scope);
  }
}