ComponentUtil.setFessConfig(new FessConfig.SimpleImpl() {
            private static final long serialVersionUID = 1L;

            @Override
            public Tuple3<String, String, String>[] getVirtualHosts() {
                return new Tuple3[] { new Tuple3<>("Host", "example.com", "site1"), new Tuple3<>("X-Forwarded-Host", "test.com", "site2") };
            }
        });

     */
    protected <T> T processVirtualHost(final Function<String, T> func, final T defaultValue) {
        final Tuple3<String, String, String>[] vHosts = ComponentUtil.getFessConfig().getVirtualHosts();
        return LaRequestUtil.getOptionalRequest().map(req -> {
            for (final Tuple3<String, String, String> host : vHosts) {
                final String headerValue = req.getHeader(host.getValue1());

    }

    @Override
    public String[] getPermissions() {
        return crawlingConfig.getPermissions();
    }

    @Override
    public String[] getVirtualHosts() {
        return crawlingConfig.getVirtualHosts();
    }

    @Override
    public String getDocumentBoost() {
        return crawlingConfig.getDocumentBoost();
    }

    @Override

import org.codelibs.fess.util.ComponentUtil;

public interface CrawlingConfig {

    String getId();

    String getName();

    String[] getPermissions();

    String[] getVirtualHosts();

    String getDocumentBoost();

    String getIndexingTarget(String input);

    String getConfigId();

    Integer getTimeToLive();

        return updatedTime;
    }

    public void setUpdatedTime(Long value) {
        registerModifiedProperty("updatedTime");
        this.updatedTime = value;
    }

    public String[] getVirtualHosts() {
        checkSpecifiedProperty("virtualHosts");
        return virtualHosts;
    }

    public void setVirtualHosts(String[] value) {
        registerModifiedProperty("virtualHosts");

        return updatedTime;
    }

    public void setUpdatedTime(Long value) {
        registerModifiedProperty("updatedTime");
        this.updatedTime = value;
    }

    public String[] getVirtualHosts() {
        checkSpecifiedProperty("virtualHosts");
        return virtualHosts;
    }

    public void setVirtualHosts(String[] value) {
        registerModifiedProperty("virtualHosts");

    }

    public void setUserAgent(String value) {
        registerModifiedProperty("userAgent");
        this.userAgent = value;
    }

    public String[] getVirtualHosts() {
        checkSpecifiedProperty("virtualHosts");
        return virtualHosts;
    }

    public void setVirtualHosts(String[] value) {
        registerModifiedProperty("virtualHosts");

        setupEpg(_epgMap, et -> ((DataConfig) et).getUpdatedTime(), (et, vl) -> ((DataConfig) et).setUpdatedTime(DfTypeUtil.toLong(vl)),
                "updatedTime");
        setupEpg(_epgMap, et -> ((DataConfig) et).getVirtualHosts(), (et, vl) -> ((DataConfig) et).setVirtualHosts((String[]) vl),
                "virtualHosts");
    }

    @Override
    public PropertyGateway findPropertyGateway(final String prop) {

        ComponentUtil.setFessConfig(new FessConfig.SimpleImpl() {
            private static final long serialVersionUID = 1L;

            @Override
            public Tuple3<String, String, String>[] getVirtualHosts() {
                Tuple3<String, String, String>[] result = new Tuple3[paths.length];
                for (int i = 0; i < paths.length; i++) {
                    // Remove leading slash for the tuple value

        setupEpg(_epgMap, et -> ((FileConfig) et).getUpdatedTime(), (et, vl) -> ((FileConfig) et).setUpdatedTime(DfTypeUtil.toLong(vl)),
                "updatedTime");
        setupEpg(_epgMap, et -> ((FileConfig) et).getVirtualHosts(), (et, vl) -> ((FileConfig) et).setVirtualHosts((String[]) vl),
                "virtualHosts");
    }

    @Override
    public PropertyGateway findPropertyGateway(final String prop) {