/**
 * Adds the file names of this FileSet to the given field of the given ConfigurationModule.
 *
 * @param input the ConfigurationModule to fill out
 * @param field the field to add the files in this set to.
 * @return the filled out ConfigurationModule
 */
ConfigurationModule addNamesTo(final ConfigurationModule input, final OptionalParameter<String> field) {
  ConfigurationModule result = input;
  for (final String fileName : this.fileNames()) {
    result = result.set(field, fileName);
  }
  return result;
}
 

/**
 * Fills out a ConfigurationModule.
 *
 * @param input           The ConfigurationModule to start with.
 * @param globalFileField the field on which to set() the global files.
 * @param globalLibField  the field on which to set() the global libraries.
 * @param localFileField  the field on which to set() the local files.
 * @param localLibField   the field on which to set() the local libraries.
 * @return a copy of input with files and libraries added to the given fields.
 */
public ConfigurationModule addNamesTo(final ConfigurationModule input,
                                      final OptionalParameter<String> globalFileField,
                                      final OptionalParameter<String> globalLibField,
                                      final OptionalParameter<String> localFileField,
                                      final OptionalParameter<String> localLibField) {
  ConfigurationModule result = input;
  result = this.globalFiles.addNamesTo(result, globalFileField);
  result = this.globalLibs.addNamesTo(result, globalLibField);
  result = this.localFiles.addNamesTo(result, localFileField);
  result = this.localLibs.addNamesTo(result, localLibField);
  return result;
}
 

private static ConfigurationModule addAll(final ConfigurationModule conf,
                                          final OptionalParameter<String> param,
                                          final File folder) {
  ConfigurationModule result = conf;
  final File[] files = folder.listFiles();
  if (files != null) {
    for (final File f : files) {
      if (f.canRead() && f.exists() && f.isFile()) {
        result = result.set(param, f.getAbsolutePath());
      }
    }
  }
  return result;
}