工具类封装之--BaseController

package cn.xxx.base;

import cn.xxx.gecustomer.beans.GeCustomer;
import cn.xxx.gecustomer.beans.GeCustomerProperty;
import cn.xxx.utils.UserPersonalConstant;
import cn.xxx.utils.WebUtil;
import org.apache.commons.lang.StringUtils;
import org.apache.shiro.SecurityUtils;
import org.apache.shiro.subject.Subject;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.support.ApplicationObjectSupport;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.support.RequestContext;

import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.io.IOException;
import java.util.List;
import java.util.UUID;


/**
 * 所有controller的基类
 * 
 * @author 
 *
 */
public abstract class BaseController extends ApplicationObjectSupport {

    public Logger log = LoggerFactory.getLogger(this.getClass());
    
    @Value("${project.version}")
    public String ver;

    /**
     * 要跳转的页面
     * 
     * @Title: go
     * @Description: TODO
     * @param path
     * @return
     * @author  2017年9月15日 下午1:51:10
     */
    protected ModelAndView go(String path) {
        return new ModelAndView(path);
    }

    /**
     * 到bean信息
     * 
     * @param name
     * @return
     */
    protected Object getObject(String name) {
        return this.getApplicationContext().getBean(name);
    }

    /**
     * 获取登录用户信息
     * 
     * @return
     */
    public IUserInfo getUserSessionVo() {
        Subject subject = SecurityUtils.getSubject();
        Object obj = null;//subject.getSession().getAttribute(UserAuthenticationRealm.LOGIN_SESSION_ATTR);
        if (obj instanceof IUserInfo) {
            return (IUserInfo) obj;
        }
        return null;
    }

    public String getOrganCode() {
        return (String) this.getSession().getAttribute(WebUtil.ORGAN_CODE);
    }

    public HttpServletRequest getRequest() {
        return ((ServletRequestAttributes) RequestContextHolder.getRequestAttributes()).getRequest();
    }

    public HttpSession getSession() {
        return getRequest().getSession();
    }

    public HttpServletResponse getResponse() {
        return  ((ServletRequestAttributes) RequestContextHolder.getRequestAttributes()).getResponse();
    }

    /**
     * 获取国际化信息
     * 
     * @param key
     * @return
     */
    public String getI18nMsg(String key) throws Exception {
        // 从后台代码获取国际化信息
        String value = new RequestContext(this.getRequest()).getMessage(key);
        return value != null ? value : "";
    }

    /**
     * 返回国际化国家标识串
     * 
     * @return
     * @throws Exception
     */
    public String getI18nCountry() throws Exception {
        String lc = null;
        RequestContext requestContext = new RequestContext(this.getRequest());
        String language = requestContext.getLocale().getLanguage();
        String country = requestContext.getLocale().getCountry();
        if (country == null || "".equals(country)) {
            if ("zh".equals(language)) {
                country = "CN";
            } else if ("en".equals(language)) {
                country = "US";
            }
        }
        // logger.debug("本地国际化语言：" + language + "本地国际化国家：" + country);
        lc = "_" + language + (StringUtils.isEmpty(country) ? "" : "_" + country);
        return lc;
    }

    /**
     * 请求方式判断
     * 
     * @param request
     * @return
     */
    public boolean isAjaxRequest(HttpServletRequest request) {
        if (!(request.getHeader("accept").indexOf("application/json") > -1
                || (request.getHeader("X-Requested-With") != null
                        && request.getHeader("X-Requested-With").indexOf("XMLHttpRequest") > -1)
                || "XMLHttpRequest".equalsIgnoreCase(request.getParameter("X_REQUESTED_WITH")))) {
            return false;
        }
        return true;
    }
    /**
     * 保存信息到request中
     * 
     * @param key
     * @param value
     */
    public void setRequestAttribute(String key, Object value) {
        this.getRequest().setAttribute(key, value);
    }

    protected String getCookie(String cookieName) {
        Cookie[] cookies = getRequest().getCookies();
        for (Cookie cookie : cookies) {
            if (cookieName.equals(cookie.getName())) {
                return cookie.getValue();
            }
        }

        return null;
    }

    /**
     * 设置 cookie
     * 
     * @param cookieName
     * @param value
     * @param age
     */
    protected void setCookie(String cookieName, String value, int age) {
        Cookie cookie = new Cookie(cookieName, value);
        cookie.setMaxAge(age);
        // cookie.setHttpOnly(true);
        getResponse().addCookie(cookie);
    }

    /**
     * 返回成功信息对象
     * 
     * @return
     */
    public ReturnInfoVo<Object> getReturnSuccessVo() throws Exception {
        return new ReturnInfoVo<Object>(true, this.getI18nMsg(Constants.COMMON_SUCCESS_MSG_KEY));
    }

    /**
     * 解析返回信息，处理国际化部分
     * 
     * @param riv
     * @return
     */
    public <T> ReturnInfoVo<T> returnInfoVoParser(ReturnInfoVo<T> riv) {
        try {
            List<ReturnInfoVo<T>.MsgVo> msgList = riv.getMsgList();
            if (!msgList.isEmpty()) {
                StringBuilder sb = new StringBuilder();
                ReturnInfoVo<T>.MsgVo msg;

                String info;
                for (int i = 0; i < msgList.size(); i++) {
                    msg = msgList.get(i);

                    if (Constants.NEEDI18N) {
                        info = this.getI18nMsg(msg.getMsg());
                    } else {
                        info = msg.getMsg();
                    }
                    if (msg.getParams() != null && msg.getParams().length > 0) {
                        info = String.format(info, msg.getParams());
                    }
                    sb.append(info);

                    sb.append(";");
                    if (i != msgList.size() - 1) {
                        sb.append("\r\n");
                    }

                }
                riv.setMsg(sb.toString());
            } else {
                if (riv.isSuccess()) {
                    riv.setMsg(this.getI18nMsg(Constants.COMMON_SUCCESS_MSG_KEY));
                } else {
                    riv.setMsg(this.getI18nMsg(Constants.COMMON_FAILED_MSG_KEY));
                }
            }
        } catch (Exception e) {
            logger.error("解析返回信息对象失败", e);
        }
        return riv;
    }
    
    /**
     * 方法名称: render<br>
     * 描述：返回给浏览器
     */
    public void render(String text, String contentType){
        HttpServletResponse response;
        try{
          response = getResponse();
          response.setContentType(contentType);
          response.getWriter().write(text);
          response.getWriter().flush();
        } 
        catch (IOException e) {
          throw new IllegalStateException(e);
        }
    }
    
    /**
     * 方法名称: renderText<br>
     * 描述：返回普通文本浏览器
     */
    public void renderText(String text){
        render(text, "text/plain;charset=UTF-8");
    }
    
    /**
     * 方法名称: renderJson<br>
     * 描述：返回JSON格式数据
     */
    public void renderJson(String text){
        render(text,"text/json;charset=UTF-8");
    }

    /**
     * 方法名称: getCurrentLoginGeCustomer<br>
     * 描述：获取当前登录用户<br>
     *     保全、登录
     * 作者: <br>
     * 修改日期：2014-9-30下午07:06:26<br>
     */
    protected GeCustomer getCurrentLoginGeCustomer() {
        Object obj = this.getRequest().getSession().getAttribute(UserPersonalConstant.LOGIN_USER);
        if (obj instanceof GeCustomer) {
            return (GeCustomer) obj;
        } else {
            return null;
        }
    }

    /**
     * 方法名称: getCurrentLoginGeCustomerProperty<br>
     * 描述：获取当前登录用户属性信息<br>
     * 作者: <br>
     * 修改日期：2014-9-30下午07:06:26<br>
     */
    protected GeCustomerProperty getCurrentLoginGeCustomerProperty() {
        Object obj = this.getRequest().getSession().getAttribute(UserPersonalConstant.LOGIN_USER_PROPERTY);
        if (obj instanceof GeCustomerProperty) {
            return (GeCustomerProperty) obj;
        } else {
            return null;
        }
    }

    /**
     * 获取农银在线登录用户 <br/>
     * Date: 2017年6月8日 下午4:51:55
     *    绑定、产品、支付
     * @author 
     * @param
     * @return
     */
    protected GeCustomer getOnlineCurrentLoginGeCustomer() {
        Object obj = this.getRequest().getSession().getAttribute(UserPersonalConstant.ONLINE_LOGIN_USER);
        if (obj instanceof GeCustomer) {
            return (GeCustomer) obj;
        } else {
            return null;
        }
    }

    /**
     * 方法名称：initCurrentLoginGeCustomer<br>
     * 描述：存放登录用户信息<br>
     * 作者：<br>
     * 修改日期：2014年8月18日下午7:57:07<br>
     */
    protected void initCurrentLoginGeCustomer() {
        Object obj = this.getRequest().getSession().getAttribute(UserPersonalConstant.LOGIN_USER);
        if (obj != null && obj instanceof GeCustomer) {
            // 有登陆用户，带登陆信息到填写投保信息页
            this.setRequestAttribute("geCustomer", (GeCustomer) obj);
        }
    }

    /**
     * 方法名称: getUUID<br>
     * 描述：获得唯一标识(目前用于验证表单提交唯一性)<br>
     * 作者: <br>
     * 修改日期：2014年10月13日上午3:15:24<br>
     */
    protected String getUUID() {
        return UUID.randomUUID().toString();
    }

}