check Browser from HttpServletRequest - Java javax.servlet.http

Java examples for javax.servlet.http:HttpServletRequest

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Description

check Browser from HttpServletRequest

Demo Code


import java.net.InetAddress;
import java.net.UnknownHostException;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import javax.servlet.http.HttpServletRequest;

public class Main{
    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 = "??";
    public static String checkBrowse(HttpServletRequest request) {
        String userAgent = request.getHeader("USER-AGENT");
        if (regex(OPERA, userAgent))
            return OPERA;
        if (regex(CHROME, userAgent))
            return CHROME;
        if (regex(FIREFOX, userAgent))
            return 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 OTHER;
    }/* w w w  .  j  a  v a2  s  . c  om*/
    public static boolean regex(String regex, String str) {
        Pattern p = Pattern.compile(regex, Pattern.MULTILINE);
        Matcher m = p.matcher(str);
        return m.find();
    }
}

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