How To Identify Different Browsers In Java Server Side - Utility Classes

BrowserUtil.java

package browser.util;

public class BrowserUtil {
public static enum BrowserType {
INTERNET_EXPLORER, MOZILA_FIREFOX, SAFARI, NETSCAPE, GOOGLE_CHROME, FLOCK, UNKNOWN
}

/**
* Each browser sends a the user-agent field with different content
* 
* 
* @param userAgent
* @return
*/
public static BrowserType getBrowserType(String userAgent) {

if (userAgent != null) {
if (userAgent.indexOf("MSIE") != -1)
return BrowserType.INTERNET_EXPLORER;
else if (userAgent.indexOf("Netscape") != -1)
return BrowserType.NETSCAPE;
else if (userAgent.indexOf("Chrome") != -1)
return BrowserType.GOOGLE_CHROME;
else if (userAgent.indexOf("Flock") != -1)
return BrowserType.FLOCK;
else if (userAgent.indexOf("Safari") != -1)
return BrowserType.SAFARI;
else if (userAgent.indexOf("Firefox") != -1)
return BrowserType.MOZILA_FIREFOX;

}
return BrowserType.UNKNOWN;
}
}