}

    @Override
    public Optional<Path> rootDirectory() {
        return Optional.ofNullable(rootDirectory);
    }

    @Override
    public Optional<InputStream> in() {
        return Optional.ofNullable(in);
    }

    @Override
    public Optional<OutputStream> out() {
        return Optional.ofNullable(out);
    }

    @Override
    public Optional<OutputStream> err() {

        OptionalUtil.ofNullable(user.getSurname()).filter(StringUtil::isNotBlank)
                .ifPresent(s -> entry.put(new BasicAttribute(fessConfig.getLdapAttrSurname(), s)));
        OptionalUtil.ofNullable(user.getGivenName()).filter(StringUtil::isNotBlank)
                .ifPresent(s -> entry.put(new BasicAttribute(fessConfig.getLdapAttrGivenName(), s)));
        OptionalUtil.ofNullable(user.getMail()).filter(StringUtil::isNotBlank)

        Parent parent = model.getParent();
        if (parent != null) {
            String version = parent.getVersion();
            String path = Optional.ofNullable(parent.getRelativePath()).orElse("..");
            if (version == null && !path.isEmpty()) {
                Optional<RelativeProject> resolvedParent = resolveRelativePath(

        return Optional.ofNullable(session.getProject(delegate.getProject()));
    }

    @Override
    public Optional<MojoExecution> getMojoExecution() {
        return Optional.ofNullable(delegate.getMojoExecution()).map(me -> new DefaultMojoExecution(session, me));
    }

    @Override
    public Optional<Exception> getException() {
        return Optional.ofNullable(delegate.getException());
    }

 */
package org.codelibs.fess.util;

import org.dbflute.optional.OptionalEntity;

public class OptionalUtil {

    public static <T> OptionalEntity<T> ofNullable(final T entity) {
        return OptionalEntity.ofNullable(entity, () -> {});
    }

                @Override
                public Optional<Path> getPomFile() {
                    return Optional.ofNullable(res.getPomFile()).map(File::toPath);
                }

                @Nonnull
                @Override
                public Optional<Project> getProject() {
                    return Optional.ofNullable(session.getProject(res.getProject()));
                }

                @Nonnull

            public Optional<Source> getInstallationSettingsSource() {
                return Optional.ofNullable(installationSettingsSource);
            }

            @Nonnull
            @Override
            public Optional<Source> getProjectSettingsSource() {
                return Optional.ofNullable(projectSettingsSource);
            }

            @Nonnull
            @Override

      }
    };
  }

  @Override
  public Optional<V> edgeValue(N nodeU, N nodeV) {
    return Optional.ofNullable(edgeValueOrDefault(nodeU, nodeV, null));
  }

  @Override
  public Optional<V> edgeValue(EndpointPair<N> endpoints) {
    return Optional.ofNullable(edgeValueOrDefault(endpoints, null));
  }

  @Override
  public final boolean equals(@CheckForNull Object obj) {

            public Optional<Source> getInstallationToolchainsSource() {
                return Optional.ofNullable(installationToolchainsSource);
            }

            @Nonnull
            @Override
            public Optional<Source> getUserToolchainsSource() {
                return Optional.ofNullable(userToolchainsSource);
            }
        }
    }

    }

    @Override
    public <T> T lookup(Class<T> type, String name) {
        return lookup(type);
    }

    @Override
    public <T> Optional<T> lookupOptional(Class<T> type) {
        return Optional.ofNullable(type.cast(components.get(type)));
    }

    @Override
    public <T> Optional<T> lookupOptional(Class<T> type, String name) {
        return lookupOptional(type);
    }

    @Override