To determine the browser type tool class

Package com.test;
Import Java.util.HashMap;
Import Java.util.Map;
Import Java.util.regex.Matcher;

Import Java.util.regex.Pattern;

Import Javax.servlet.http.HttpServletRequest; /**
 * 
 *@authorWeitao * */public class Browserutils {//judge whether IE public static Boolean Isie (HttpServletRequest request) { Return (Request.getheader ("User-agent"). toLowerCase () indexOf ("MSIE") > 0 | | request GetHeader ("user- AGENT "). toLowerCase (). IndexOf (" rv:11.0 ") > 0)?
   True:false; /** * Get IE version * *@paramRequest *@return */public static Double Getieversion (HttpServletRequest request) {double version = 0.0;
      if (Getbrowsertype (request, IE11)) {version = 11.0;
      else if (Getbrowsertype (request, IE10)) {version = 10.0;
      else if (Getbrowsertype (request, IE9)) {version = 9.0;
      else if (Getbrowsertype (request, IE8)) {version = 8.0;
      else if (Getbrowsertype (request, IE7)) {version = 7.0;
      else if (Getbrowsertype (request, IE6)) {Version = 6.0;
   return version; /** * Get Browser type * *@paramRequest *@return * * public static BrowserType Getbrowsertype (HttpServletRequest request) {BrowserType browsertype = null;
      if (Getbrowsertype (request, IE11)) {browsertype = Browsertype.ie11;
      } if (Getbrowsertype (request, IE10)) {browsertype = Browsertype.ie10;
      } if (Getbrowsertype (request, IE9)) {browsertype = BROWSERTYPE.IE9;
      } if (Getbrowsertype (request, IE8)) {browsertype = BROWSERTYPE.IE8;
      } if (Getbrowsertype (request, IE7)) {browsertype = Browsertype.ie7;
      } if (Getbrowsertype (request, IE6)) {browsertype = Browsertype.ie6;
      } if (Getbrowsertype (request, FIREFOX)) {browsertype = Browsertype.firefox;
      } if (Getbrowsertype (request, SAFARI)) {browsertype = Browsertype.safari;
      } if (Getbrowsertype (request, CHROME)) {browsertype = Browsertype.chrome;
       if (Getbrowsertype (request, OPERA)) {  BrowserType = Browsertype.opera;
      } if (Getbrowsertype (Request, "Camino")) {browsertype = Browsertype.camino;
   return browsertype; private static Boolean Getbrowsertype (HttpServletRequest request, String Brosertype) {return request . GetHeader ("User-agent"). toLowerCase (). IndexOf (Brosertype) > 0?
   True:false;
   Private final static String IE11 = "rv:11.0";
   Private final static String IE10 = "MSIE 10.0";
   Private final static String IE9 = "MSIE 9.0";
   Private final static String IE8 = "MSIE 8.0";
   Private final static String IE7 = "MSIE 7.0";
   Private final static String IE6 = "MSIE 6.0";
   Private final static String MAXTHON = "MAXTHON";
   Private final static String QQ = "Qqbrowser";
   Private final static String GREEN = "Greenbrowser";
   Private final static String SE360 = "360SE";
   Private final static String Firefox = "Firefox";
   Private final static String opera = "Opera"; PrivAte final static String chrome = "Chrome";
   Private final static String Safari = "Safari";

   Private final static String other = "others";
      public static String Checkbrowse (HttpServletRequest request) {String useragent = Request.getheader ("user-agent");
      if (Regex (OPERA, useragent)) return to opera;
      if (Regex (CHROME, useragent)) return chrome;
      if (Regex (FIREFOX, useragent)) return to Firefox;
      if (Regex (SAFARI, useragent)) return SAFARI;
      if (Regex (SE360, useragent)) return SE360;
      if (Regex (GREEN, useragent)) return GREEN;
      if (Regex (QQ, useragent)) return QQ;
      if (Regex (MAXTHON, useragent)) return MAXTHON;
      if (Regex (IE11, useragent)) return IE11;
      if (Regex (IE10, useragent)) return IE10;
      if (Regex (IE9, useragent)) return IE9;
      if (Regex (IE8, useragent)) return IE8; if (Regex (IE7, useragent)) return IE7;
      if (Regex (IE6, useragent)) return IE6;
   return to other; 
      The public static Boolean regex (string regex, string str) {pattern p = pattern.compile (regex, pattern.multiline);
      Matcher m = p.matcher (str);
   return M.find ();
   private static map<string, string> Langmap = new hashmap<string, string> ();
   Private final static String en = "en";
   
   Private final static String ZH_CN = "ZH-CN";
   Private final static String en = "en";
   
   
   Private final static String en_US = "EN";
      static {Langmap.put (EN, ZH_CN);
   Langmap.put (EN, en_US); public static string Getbrowserlanguage (HttpServletRequest request) {String Browserlang = request.g
      Etlocale (). GetLanguage ();
      
      String browserlangcode = (string) langmap.get (Browserlang);
      if (Browserlangcode = = null) {Browserlangcode = en_US;
   return browserlangcode; }

}