com.envision.envservice.common.util.IPUtil.java Source code

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Here is the source code for com.envision.envservice.common.util.IPUtil.java

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/******************************************************************************
 * @File name   :      IPUtil.java
 *
 * @Package    :      com.envision.envservice.common.util
 *
 * @Author      :      guowei.wang
 *
 * @Date        :      2015-10-30 ?11:37:24
 *
 * @Description :       
 *
 * @Copyright Notice: 
 * Copyright (c) 2015 Envision, Inc. All  Rights Reserved.
 * This software is published under the terms of the Envision Software
 * License version 1.0, a copy of which has been included with this
 * distribution in the LICENSE.txt file.
 * 
 * 
 * ----------------------------------------------------------------------------
 * Date                         Who         Version        Comments
 * 2015-10-30 ?11:37:24             guowei.wang     1.0            Initial Version
 *****************************************************************************/
package com.envision.envservice.common.util;

import javax.servlet.http.HttpServletRequest;

import org.apache.commons.lang.StringUtils;

import com.envision.envservice.common.Constants;

/**
 * @ClassName IPUtil
 * @author guowei.wang
 * @date 2015-10-30
 */
public class IPUtil {

    /**
     * ?IP?
     * 
     * @Title: getRemoteAddr 
     * @return IP 
     * @Date 2015-10-30
     */
    public static String getRemoteAddr(HttpServletRequest request) {
        String ipAddress = null;

        String proxyIP = request.getHeader(Constants.PROXY_IP);
        if (StringUtils.isNotEmpty(proxyIP)) {
            ipAddress = proxyIP;
        } else {
            ipAddress = request.getRemoteAddr();
        }

        return ipAddress;
    }
}