code: protected void initUserObject() {
  
          if (m_fieldconfiguration == null) {
              try {
                  m_fieldconfiguration = m_searchManager.getFieldConfiguration(getParamFieldconfiguration());
                  if (m_fieldconfiguration == null) {
                      m_fieldconfiguration = new CmsLuceneFieldConfiguration();
                  }
              } catch (Exception e) {
                  m_fieldconfiguration = new CmsLuceneFieldConfiguration();
              }
          }
      }
docs: Initializes the user object to work with depending on the dialog state and request parameters.<p>