for (final RequestHeader requestHeader : requestHeaderList) {
            rhList.add(requestHeader.getCrawlerRequestHeader());
        }
        paramMap.put(HcHttpClient.REQUERT_HEADERS_PROPERTY,
                rhList.toArray(new org.codelibs.fess.crawler.client.http.RequestHeader[rhList.size()]));

        final String proxyHost = (String) paramMap.get(Param.Client.PROXY_HOST);

            count++;
            headerName = paramMap.get(CRAWLER_WEB_HEADER_PREFIX + count + ".name");
        }
        if (!rhList.isEmpty()) {
            factoryParamMap.put(HcHttpClient.REQUERT_HEADERS_PROPERTY,
                    rhList.toArray(new org.codelibs.fess.crawler.client.http.RequestHeader[rhList.size()]));
        }

        // proxy credentials

public abstract class CorsHandler {

    protected static final String ACCESS_CONTROL_ALLOW_ORIGIN = "Access-Control-Allow-Origin";

    protected static final String ACCESS_CONTROL_ALLOW_HEADERS = "Access-Control-Allow-Headers";

    protected static final String ACCESS_CONTROL_ALLOW_METHODS = "Access-Control-Allow-Methods";

    protected static final String ACCESS_CONTROL_ALLOW_PRIVATE_NETWORK = "Access-Control-Allow-Private-Network";

    /** The key of the configuration. e.g.  */
    String API_JSON_RESPONSE_HEADERS = "api.json.response.headers";

    /** The key of the configuration. e.g. false */
    String API_JSON_RESPONSE_EXCEPTION_INCLUDED = "api.json.response.exception.included";

    /** The key of the configuration. e.g.  */
    String API_GSA_RESPONSE_HEADERS = "api.gsa.response.headers";

    /** The key of the configuration. e.g. false */

  license:
    name: Apache 2.0
    url: http://www.apache.org/licenses/LICENSE-2.0.html
  version: 14.8.0
externalDocs:
  description: API Documentation
  url: https://fess.codelibs.org/14.8/api/
servers:
  - url: http://localhost:8080/api/v1
tags:
  - name: search
    description: Search operations
  - name: popularword
    description: Popular word operations
  - name: monitor

        this.maxEsStatusRetry = maxEsStatusRetry;
    }

    @Override
    public Client filterWithHeader(final Map<String, String> headers) {
        return client.filterWithHeader(headers);
    }

    @Override
    public <Request extends ActionRequest, Response extends ActionResponse> ActionFuture<Response> execute(

api.search.accept.referers=
api.search.scroll=false
api.json.response.headers=
api.json.response.exception.included=false
api.gsa.response.headers=
api.gsa.response.exception.included=false
api.dashboard.response.headers=
api.cors.allow.origin=*
api.cors.allow.methods=GET, POST, OPTIONS, DELETE, PUT
api.cors.max.age=3600
api.cors.allow.headers=Origin, Content-Type, Accept, Authorization, X-Requested-With

                        .collect(Collectors.groupingBy(Pair::getFirst, Collectors.mapping(Pair::getSecond, Collectors.toList())));
                appendJson("headers", requestHeaderMap, buf);
                buf.append('}');
                buf.append('\n');
                try {
                    writer.write(buf.toString());
                } catch (final IOException e) {

        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final Iterator<ImageReader> readers = ImageIO.getImageReaders(input);
        if (readers.hasNext()) {
            final ImageReader reader = readers.next();
            try {
                reader.setInput(input);
                final ImageReadParam param = reader.getDefaultReadParam();

        httpResponse.addHeader(ACCESS_CONTROL_ALLOW_ORIGIN, origin);
        httpResponse.addHeader(ACCESS_CONTROL_ALLOW_METHODS, fessConfig.getApiCorsAllowMethods());
        httpResponse.addHeader(ACCESS_CONTROL_ALLOW_HEADERS, fessConfig.getApiCorsAllowHeaders());
        httpResponse.addHeader(ACCESS_CONTROL_MAX_AGE, fessConfig.getApiCorsMaxAge());
        httpResponse.addHeader(ACCESS_CONTROL_ALLOW_CREDENTIALS, fessConfig.getApiCorsAllowCredentials());