springmvc 全局参数转换器

 

   GetRequestInfo.java

 

/**
 * web-parent
 * Created by hfj
 * on 2017/7/7.
 */
@Target(ElementType.PARAMETER)
@Retention(RetentionPolicy.RUNTIME)
@Documented
public @interface GetRequestInfo {
}

 

 

    WebUtils.java

 

package com.j2eecms.web.util;

import com.google.common.base.Strings;
import com.j2eecms.core.model.RequestInfo;
import com.j2eecms.web.exception.CaptchaException;
import com.j2eecms.web.exception.CaptchaTimeOutException;
import eu.bitwalker.useragentutils.UserAgent;
import org.springframework.http.HttpHeaders;
import org.springframework.mobile.device.Device;
import org.springframework.mobile.device.DeviceType;
import org.springframework.mobile.device.DeviceUtils;

import javax.servlet.http.HttpServletRequest;
import java.util.Date;
import java.util.regex.Pattern;


/**
 * Created by hfj on 2016/2/6.
 */

public class WebUtils {
    public static final String UNKNOWN = "UNKNOWN";
    private final static String REGEX = "[@?`~!#$%^&*()+=|{}':;',//[//]<>/?~！#￥%……&*（）——+|{}【】‘；：”“’。，、？]";

    private final static Pattern STRING_PATTERN = Pattern.compile(REGEX);
    
    /**
     * 验证码默认超时时间
     * 10分钟
     */
    public final static long CAPTCHA_TIMEOUT = 600000;

    private WebUtils() {
    }

    public static String getIpAddr(HttpServletRequest request) {
        String ip = request.getHeader("x-forwarded-for");
        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
            ip = request.getHeader("Proxy-Client-IP");
        } else {
            int index = ip.lastIndexOf(",");
            if (index != -1) {
                ip = ip.substring(index + 1);
            }
        }
        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
            ip = request.getHeader("WL-Proxy-Client-IP");
        }
        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
            ip = request.getRemoteAddr();
        }
        return ip;
    }
    
    /**
     * 获取RequestInfo
     *
     * @param request
     * @return
     */
    public static RequestInfo getRequestInfo(HttpServletRequest request) {
        RequestInfo requestInfo = new RequestInfo();
        String curIp = getIpAddr(request);
        Device device = DeviceUtils.getCurrentDevice(request);
        if (null == device) {
            requestInfo.setDeviceType(UNKNOWN);
        } else if (device.isMobile()) {
            requestInfo.setDeviceType(DeviceType.MOBILE.toString());
        } else if (device.isNormal()) {
            requestInfo.setDeviceType(DeviceType.NORMAL.toString());
        } else if (device.isTablet()) {
            requestInfo.setDeviceType(DeviceType.TABLET.toString());
        } else {
            requestInfo.setDeviceType(UNKNOWN);
        }
        if (!Strings.isNullOrEmpty(curIp)) {
            requestInfo.setRequestIp(curIp.trim());
        }
        String serverName = request.getServerName();
        String domainName;
        if (null!=serverName && serverName.split("\\.").length > 2) {
            domainName = serverName.replaceAll("^.*?\\.", "");
        } else {
            domainName = serverName;
        }
        requestInfo.setDomainName(domainName);
        requestInfo.setWebsite(request.getScheme() + "://" + request.getServerName());
        String userAgent = request.getHeader(HttpHeaders.USER_AGENT);
        if (!Strings.isNullOrEmpty(userAgent)) {
            UserAgent useragent = UserAgent.parseUserAgentString(userAgent);
            String browser = useragent.getBrowser().getName();
            String operatingSystem = useragent.getOperatingSystem().getName();
            requestInfo.setBrowser(browser);
            requestInfo.setOperatingSystem(operatingSystem);
        }
        return requestInfo;
    }

    /**
     * 验证码校验
     * 默认验证码超时时间 5 分钟
     *
     * @param captcha           验证码
     * @param exitCodeObject    session中保存的验证码
     * @param captchaTimeObject 验证码记录的时间
     * @throws CaptchaException        验证码为空
     * @throws CaptchaTimeOutException 验证码超时
     * @throws CaptchaException        验证码错误
     */
    public static void verifyCaptcha(String captcha, Object exitCodeObject, Object captchaTimeObject) {
        verifyCaptcha(captcha, exitCodeObject, captchaTimeObject, CAPTCHA_TIMEOUT);
    }

    /**
     * 验证码校验
     * 默认验证码超时时间 5 分钟
     *
     * @param captcha           验证码
     * @param exitCodeObject    session中保存的验证码
     * @param captchaTimeObject 验证码记录的时间
     * @param timeOut           验证码超时时间 毫秒
     * @throws CaptchaException        验证码为空
     * @throws CaptchaTimeOutException 验证码超时
     * @throws CaptchaException        验证码错误
     */
    private static void verifyCaptcha(String captcha, Object exitCodeObject, Object captchaTimeObject, long timeOut) {
        if (null == exitCodeObject || null == captchaTimeObject) {
            throw new CaptchaException("Captcha is null");
        }
        String exitCode = (String) exitCodeObject;
        long captchaTime = (Long) captchaTimeObject;
        if (new Date().getTime() - captchaTime > timeOut) {
            throw new CaptchaTimeOutException("captcha timeout");
        }
        if (!exitCode.equalsIgnoreCase(captcha)) {
            throw new CaptchaException("captcha exitCode error");
        }
    }

    /**
     * 验证码校验超时
     * 默认验证码超时时间 5 分钟
     *
     * @param exitCodeObject    session中保存的验证码
     * @param captchaTimeObject 验证码记录的时间
     * @param timeOut           验证码超时时间 毫秒
     * @throws CaptchaException        验证码为空
     * @throws CaptchaTimeOutException 验证码超时
     * @throws CaptchaException        验证码错误
     */
    public static void verifyCaptchaTime(Object exitCodeObject, Object captchaTimeObject, long timeOut) {
        if (null == exitCodeObject || null == captchaTimeObject) {
            throw new CaptchaException("Captcha is null");
        }
        long captchaTime = (Long) captchaTimeObject;
        if (new Date().getTime() - captchaTime > timeOut) {
            throw new CaptchaTimeOutException("captcha timeout");
        }
    }


    /**
     * 特殊字符转换为" "后,移除首位空格
     *
     * @param str 原字符串
     * @return
     */
    public static String stringFilter(String str) {
        if (Strings.isNullOrEmpty(str)) {
            return str;
        }
        return STRING_PATTERN.matcher(str).replaceAll(" ").trim();
    }

}

 

 

 

   RequestInfoArgumentResolver .java

 

package com.j2eecms.web.resolver;


import com.j2eecms.web.annotation.GetRequestInfo;
import com.j2eecms.web.util.WebUtils;
import org.springframework.core.MethodParameter;
import org.springframework.web.bind.support.WebDataBinderFactory;
import org.springframework.web.context.request.NativeWebRequest;
import org.springframework.web.context.request.ServletWebRequest;
import org.springframework.web.method.support.HandlerMethodArgumentResolver;
import org.springframework.web.method.support.ModelAndViewContainer;

import javax.servlet.http.HttpServletRequest;


/**
 * web-parent
 * Created by hfj 
 * on 2017/7/7.
 */
public class RequestInfoArgumentResolver implements HandlerMethodArgumentResolver {


    @Override
    public boolean supportsParameter(MethodParameter parameter) {
        return parameter.hasParameterAnnotation(GetRequestInfo.class);

    }

    @Override
    public Object resolveArgument(MethodParameter parameter,
                                  ModelAndViewContainer mavContainer,
                                  NativeWebRequest webRequest,
                                  WebDataBinderFactory binderFactory) throws Exception {
        HttpServletRequest request = ((ServletWebRequest) webRequest).getRequest();
        return WebUtils.getRequestInfo(request);

    }
}

 

springmvc配置

<mvc:annotation-driven>
    <mvc:argument-resolvers>
             <bean class="com.j2eecms.web.converter.RequestInfoArgumentResolver"/>
    </mvc:argument-resolvers>
</mvc:annotation-driven>

 

spring boot配置

@Override
    public void addArgumentResolvers(List<HandlerMethodArgumentResolver> argumentResolvers) {
        argumentResolvers.add(new RequestInfoArgumentResolver());

    }

 

 

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