How to use

parseDHFactoriesList

method

in

org.apache.sshd.common.kex.BuiltinDHFactories

/**
 * @param dhList A comma-separated list of ciphers' names - ignored
 *               if {@code null}/empty
 * @return A {@link ParseResult} of all the {@link DHFactory}-ies whose
 * name appears in the string and represent a built-in value. Any
 * unknown name is <U>ignored</U>. The order of the returned result
 * is the same as the original order - bar the unknown ones.
 * <B>Note:</B> it is up to caller to ensure that the list does not
 * contain duplicates
 */
public static ParseResult parseDHFactoriesList(String dhList) {
  return parseDHFactoriesList(GenericUtils.split(dhList, ','));
}

/**
 * @param dhList A comma-separated list of ciphers' names - ignored
 *               if {@code null}/empty
 * @return A {@link ParseResult} of all the {@link DHFactory}-ies whose
 * name appears in the string and represent a built-in value. Any
 * unknown name is <U>ignored</U>. The order of the returned result
 * is the same as the original order - bar the unknown ones.
 * <B>Note:</B> it is up to caller to ensure that the list does not
 * contain duplicates
 */
public static ParseResult parseDHFactoriesList(String dhList) {
  return parseDHFactoriesList(GenericUtils.split(dhList, ','));
}

/**
 * @param props The {@link PropertyResolver} - ignored if {@code null}/empty
 * @return A {@code ParseResult} of all the {@link DHFactory}-ies
 * whose name appears in the string and represent a built-in value. Any
 * unknown name is <U>ignored</U>. The order of the returned result is the
 * same as the original order - bar the unknown ones. <B>Note:</B> it is
 * up to caller to ensure that the list does not contain duplicates
 * @see ConfigFileReaderSupport#KEX_ALGORITHMS_CONFIG_PROP KEX_ALGORITHMS_CONFIG_PROP
 * @see BuiltinDHFactories#parseDHFactoriesList(String)
 */
public static BuiltinDHFactories.ParseResult getKexFactories(PropertyResolver props) {
  return BuiltinDHFactories.parseDHFactoriesList(
    (props == null) ? null : props.getString(ConfigFileReaderSupport.KEX_ALGORITHMS_CONFIG_PROP));
}

public static ParseResult parseDHFactoriesList(String... dhList) {
  return parseDHFactoriesList(GenericUtils.isEmpty((Object[]) dhList) ? Collections.emptyList() : Arrays.asList(dhList));
}

/**
 * @param props The {@link PropertyResolver} - ignored if {@code null}/empty
 * @return A {@code ParseResult} of all the {@link DHFactory}-ies
 * whose name appears in the string and represent a built-in value. Any
 * unknown name is <U>ignored</U>. The order of the returned result is the
 * same as the original order - bar the unknown ones. <B>Note:</B> it is
 * up to caller to ensure that the list does not contain duplicates
 * @see ConfigFileReaderSupport#KEX_ALGORITHMS_CONFIG_PROP KEX_ALGORITHMS_CONFIG_PROP
 * @see BuiltinDHFactories#parseDHFactoriesList(String)
 */
public static BuiltinDHFactories.ParseResult getKexFactories(PropertyResolver props) {
  return BuiltinDHFactories.parseDHFactoriesList(
    (props == null) ? null : props.getString(ConfigFileReaderSupport.KEX_ALGORITHMS_CONFIG_PROP));
}

public static ParseResult parseDHFactoriesList(String... dhList) {
  return parseDHFactoriesList(GenericUtils.isEmpty((Object[]) dhList) ? Collections.emptyList() : Arrays.asList(dhList));
}

public static <M extends AbstractFactoryManager> M configureKeyExchanges(
    M manager, String value, boolean lenient, Function<? super DHFactory, ? extends NamedFactory<KeyExchange>> xformer, boolean ignoreUnsupported) {
  Objects.requireNonNull(manager, "No manager to configure");
  Objects.requireNonNull(xformer, "No DHFactory transformer");
  BuiltinDHFactories.ParseResult result = BuiltinDHFactories.parseDHFactoriesList(value);
  Collection<String> unsupported = result.getUnsupportedFactories();
  ValidateUtils.checkTrue(lenient || GenericUtils.isEmpty(unsupported), "Unsupported KEX(s) (%s) in %s", unsupported, value);
  List<NamedFactory<KeyExchange>> factories =
      NamedFactory.setUpTransformedFactories(ignoreUnsupported, result.getParsedFactories(), xformer);
  manager.setKeyExchangeFactories(ValidateUtils.checkNotNullAndNotEmpty(factories, "No known/supported KEXS(s): %s", value));
  return manager;
}

public static <M extends AbstractFactoryManager> M configureKeyExchanges(
    M manager, String value, boolean lenient, Function<? super DHFactory, ? extends NamedFactory<KeyExchange>> xformer, boolean ignoreUnsupported) {
  Objects.requireNonNull(manager, "No manager to configure");
  Objects.requireNonNull(xformer, "No DHFactory transformer");
  BuiltinDHFactories.ParseResult result = BuiltinDHFactories.parseDHFactoriesList(value);
  Collection<String> unsupported = result.getUnsupportedFactories();
  ValidateUtils.checkTrue(lenient || GenericUtils.isEmpty(unsupported), "Unsupported KEX(s) (%s) in %s", unsupported, value);
  List<NamedFactory<KeyExchange>> factories =
      NamedFactory.setUpTransformedFactories(ignoreUnsupported, result.getParsedFactories(), xformer);
  manager.setKeyExchangeFactories(ValidateUtils.checkNotNullAndNotEmpty(factories, "No known/supported KEXS(s): %s", value));
  return manager;
}