用戶代理字符串識別工具

/**
 * 用戶代理字符串識別工具
 * @author stronginfo
 * @version 2014-6-13
 */
public class UserAgentUtils {

    /**
     * 獲取用戶代理對象
     * @param request
     * @return
     */
    public static UserAgent getUserAgent(HttpServletRequest request){
        return UserAgent.parseUserAgentString(request.getHeader("User-Agent"));
    }

    /**
     * 獲取設備類型
     * @param request
     * @return
     */
    public static DeviceType getDeviceType(HttpServletRequest request){
        return getUserAgent(request).getOperatingSystem().getDeviceType();
    }

    /**
     * 是否是PC
     * @param request
     * @return
     */
    public static boolean isComputer(HttpServletRequest request){
        return DeviceType.COMPUTER.equals(getDeviceType(request));
    }

    /**
     * 是否是手機
     * @param request
     * @return
     */
    public static boolean isMobile(HttpServletRequest request){
        return DeviceType.MOBILE.equals(getDeviceType(request));
    }

    /**
     * 是否是平板
     * @param request
     * @return
     */
    public static boolean isTablet(HttpServletRequest request){
        return DeviceType.TABLET.equals(getDeviceType(request));
    }

    /**
     * 是否是手機和平板
     * @param request
     * @return
     */
    public static boolean isMobileOrTablet(HttpServletRequest request){
        DeviceType deviceType = getDeviceType(request);
        return DeviceType.MOBILE.equals(deviceType) || DeviceType.TABLET.equals(deviceType);
    }

    /**
     * 獲取瀏覽類型
     * @param request
     * @return
     */
    public static Browser getBrowser(HttpServletRequest request){
        return getUserAgent(request).getBrowser();
    }

    /**
     * 是否IE版本是否小於等於IE8
     * @param request
     * @return
     */
    public static boolean isLteIE8(HttpServletRequest request){
        Browser browser = getBrowser(request);
        return Browser.IE5.equals(browser) || Browser.IE6.equals(browser)
                || Browser.IE7.equals(browser) || Browser.IE8.equals(browser);
    }

}