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IT Hit WebDAV integration for new Jakarta Java servlet containers

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package com.ithit.webdav.integration.utils;

import java.util.List;
import java.util.Map;

public final class IntegrationUtil {

    public static final String INSTANCE_HEADER_NAME = "InstanceId";


    private IntegrationUtil() {}

    public static String findInstanceHeader(Map> httpHeaders) {
        return httpHeaders
                .entrySet()
                .stream()
                .filter(x -> x.getKey().equalsIgnoreCase(INSTANCE_HEADER_NAME))
                .findFirst().map(x -> {
                    if (!x.getValue().isEmpty()) {
                        return x.getValue().get(0);
                    }
                    return "";
                })
                .orElse("");
    }
}