webservices/server-integration/src/main/java/org/jboss/as/webservices/util/WebMetaDataHelper.java
public static List<ServletMappingMetaData> getServletMappings(final JBossWebMetaData jbossWebMD) {
        List<ServletMappingMetaData> servletMappingsMD = jbossWebMD.getServletMappings();

        if (servletMappingsMD == null) {
            servletMappingsMD = new LinkedList<ServletMappingMetaData>();
            jbossWebMD.setServletMappings(servletMappingsMD);
        }

        return servletMappingsMD;
    }
public static List<ServletMappingMetaData> getServletMappings(final JBossWebMetaData jbossWebMD) {
        List<ServletMappingMetaData> servletMappingsMD = jbossWebMD.getServletMappings();

        if (servletMappingsMD == null) {
            servletMappingsMD = new LinkedList<ServletMappingMetaData>();
            jbossWebMD.setServletMappings(servletMappingsMD);
        }

        return servletMappingsMD;
    }
Gets servlet mappings meta data from jboss web meta data. If not found it creates new servlet mappings meta data and
associates them with jboss web meta data.

@param jbossWebMD jboss web meta data
@return servlet mappings meta data