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AceQL HTTP is a framework of REST like http APIs that allow to access to remote SQL databases over http from any device that supports http. AceQL HTTP is provided with four client SDK: - The AceQL C# Client SDK allows to wrap the HTTP APIs using Microsoft SQL Server like calls in their code, just like they would for a local database. - The AceQL Java Client SDK allows to wrap the HTTP APIs using JDBC calls in their code, just like they would for a local database. - The AceQL Python Client SDK allows SQL calls to be encoded with standard unmodified DB-API 2.0 syntax

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/*
 * Copyright (c)2022 KawanSoft S.A.S. All rights reserved.
 * 
 * Use of this software is governed by the Business Source License included
 * in the LICENSE.TXT file in the project's root directory.
 *
 * Change Date: 2026-11-01
 *
 * On the date above, in accordance with the Business Source License, use
 * of this software will be governed by version 2.0 of the Apache License.
 */
package org.kawanfw.sql.util;

import javax.servlet.http.HttpServletRequest;

public class IpUtil {

    protected IpUtil() {
	
    }

    /**
     * Gets user IP address of the servlet request by testing first X-FORWARDED-FOR
     * @param httpServletRequest the servlet request
     * @return the IP address of the servlet request
     */
    public static String getRemoteAddr(HttpServletRequest httpServletRequest) {
        String remoteAddr = "";

        if (httpServletRequest != null) {
            remoteAddr = httpServletRequest.getHeader("X-FORWARDED-FOR");
            if (remoteAddr == null || "".equals(remoteAddr)) {
                remoteAddr = httpServletRequest.getRemoteAddr();
            }
        }
        
        return remoteAddr;
        
    }
    
    

}