String dbUtilsConfigDocString =
fileUtils.readFile(new File(configDocString));
String dbUtilsConfigDTDFile = fileUtils.addRoot("defs/db_utils_cfg.dtd");
// Add the DTD with root to the config file.
if (strings.matches(" SYSTEM\\s+\".+\"\\s*>",
dbUtilsConfigDocString)) {
dbUtilsConfigDocString = strings.getPreMatch() + " SYSTEM \"" +
dbUtilsConfigDTDFile + "\">" + strings.getPostMatch();
}