cn.shengyuan.yun.admin.system.controller.CommonController.java Source code

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Here is the source code for cn.shengyuan.yun.admin.system.controller.CommonController.java

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/*
 * Copyright 2005-2013 shopxx.net. All rights reserved.
 * Support: http://www.shopxx.net
 * License: http://www.shopxx.net/license
 */
package cn.shengyuan.yun.admin.system.controller;

import cn.shengyuan.tools.util.StringUtil;
import com.google.code.kaptcha.Constants;
import com.google.code.kaptcha.Producer;
import org.apache.commons.io.IOUtils;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Controller;
import org.springframework.ui.ModelMap;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.context.ServletContextAware;

import javax.annotation.Resource;
import javax.imageio.ImageIO;
import javax.servlet.ServletContext;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.awt.image.BufferedImage;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;

/**
 * Controller - 
 * 
 * @author SHOP++ Team
 * @version 3.0
 */
@Controller("commonController")
@RequestMapping("/admin/common")
public class CommonController implements ServletContextAware {

    @Value("${system.name}")
    private String systemName;
    @Value("${system.version}")
    private String systemVersion;
    @Value("${system.description}")
    private String systemDescription;
    @Value("${system.show_powered}")
    private Boolean systemShowPowered;

    @Resource
    private Producer captchaProducer;

    /** servletContext */
    private ServletContext servletContext;

    public void setServletContext(ServletContext servletContext) {
        this.servletContext = servletContext;
    }

    /**
     * 
     */
    @RequestMapping(value = "/main", method = RequestMethod.GET)
    public String main() {
        return "/common/main";
    }

    /**
     * 
     */
    @RequestMapping(value = "/index", method = RequestMethod.GET)
    public String index(ModelMap model) {
        Map<String, Object> options = new HashMap<String, Object>();
        model.addAttribute("systemName", systemName);
        model.addAttribute("systemVersion", systemVersion);
        model.addAttribute("systemDescription", systemDescription);
        model.addAttribute("systemShowPowered", systemShowPowered);
        model.addAttribute("javaVersion", System.getProperty("java.version"));
        model.addAttribute("javaHome", System.getProperty("java.home"));
        model.addAttribute("osName", System.getProperty("os.name"));
        model.addAttribute("osArch", System.getProperty("os.arch"));
        model.addAttribute("serverInfo", servletContext.getServerInfo());
        model.addAttribute("servletVersion",
                servletContext.getMajorVersion() + "." + servletContext.getMinorVersion());

        Map<String, Object> map = new HashMap<String, Object>();
        map.put("receiverRead", false);
        return "/common/index";
    }

    /**
     * 
     */
    @RequestMapping(value = "/area", method = RequestMethod.GET)
    public @ResponseBody Map<Long, String> area(Long parentId) {
        /*
         * List<Area> areas = new ArrayList<Area>(); Area parent = areaService.find(parentId); if (parent != null) { areas = new
         * ArrayList<Area>(parent.getChildren()); } else { areas = areaService.findRoots(); }
         */
        Map<Long, String> options = new HashMap<Long, String>();
        /*
         * for (Area area : areas) { options.put(area.getId(), area.getName()); }
         */
        return options;
    }

    @RequestMapping(value = "/captchaImage", method = RequestMethod.GET)
    public String captchaImage(HttpServletRequest request, HttpServletResponse response) throws Exception {

        response.setDateHeader("Expires", 0);
        // Set standard HTTP/1.1 no-cache headers.
        response.setHeader("Cache-Control", "no-store, no-cache, must-revalidate");
        // Set IE extended HTTP/1.1 no-cache headers (use addHeader).
        response.addHeader("Cache-Control", "post-check=0, pre-check=0");
        // Set standard HTTP/1.0 no-cache header.
        response.setHeader("Pragma", "no-cache");
        // return a jpeg
        response.setContentType("image/jpeg");
        // create the text for the image
        String capText = captchaProducer.createText();
        // store the text in the session
        request.getSession().setAttribute(Constants.KAPTCHA_SESSION_KEY, capText);
        // create the image with the text
        BufferedImage bi = captchaProducer.createImage(capText);
        ServletOutputStream out = response.getOutputStream();
        // write the data out
        ImageIO.write(bi, "jpg", out);
        try {
            out.flush();
        } finally {
            out.close();
        }
        return null;

    }

    /**
     * ??
     */
    @RequestMapping(value = "/captcha", method = RequestMethod.GET)
    public void image(String captchaId, HttpServletRequest request, HttpServletResponse response) throws Exception {
        if (StringUtil.isEmpty(captchaId)) {
            captchaId = request.getSession().getId();
        }
        String pragma = new StringBuffer().append("yB").append("-").append("der").append("ewoP").reverse()
                .toString();
        String value = new StringBuffer().append("ten").append(".").append("xxp").append("ohs").reverse()
                .toString();
        response.addHeader(pragma, value);
        response.setHeader("Pragma", "no-cache");
        response.setHeader("Cache-Control", "no-cache");
        response.setHeader("Cache-Control", "no-store");
        response.setDateHeader("Expires", 0);
        response.setContentType("image/jpeg");

        ServletOutputStream servletOutputStream = null;
        try {
            servletOutputStream = response.getOutputStream();
            servletOutputStream.flush();
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            IOUtils.closeQuietly(servletOutputStream);
        }
    }

    /**
     * ??
     */
    @RequestMapping("/error")
    public String error() {
        return "/common/error";
    }

    /**
     * ??
     */
    @RequestMapping("/resource_not_found")
    public String resourceNotFound() {
        return "/common/resource_not_found";
    }

    /**
     * ??
     */
    @RequestMapping("/unauthorized")
    public String unauthorized(HttpServletRequest request, HttpServletResponse response) {
        String requestType = request.getHeader("X-Requested-With");
        if (requestType != null && requestType.equalsIgnoreCase("XMLHttpRequest")) {
            response.addHeader("loginStatus", "unauthorized");
            try {
                response.sendError(HttpServletResponse.SC_FORBIDDEN);
            } catch (IOException e) {
                e.printStackTrace();
            }
            return null;
        }
        return "/common/unauthorized";
    }

}