content: /**
   * Copyright &copy; 2012-2016 <a href="https://github.com/HuangBingGui/jeespring">jeespring</a> All rights reserved.
   */
  package com.jeespring.common.utils;
  
  import javax.servlet.http.HttpServletRequest;
  
  import eu.bitwalker.useragentutils.Browser;
  import eu.bitwalker.useragentutils.DeviceType;
  import eu.bitwalker.useragentutils.UserAgent;
  
  /**
   * 用户代理字符串识别工具
   * @author 黄炳桂 516821420@qq.com
   * @version 2014-6-13
   */
  public class UserAgentUtils {
  
  	/**
  	 * 获取用户代理对象
  	 * @param request
  	 * @return
  	 */
  	public static UserAgent getUserAgent(HttpServletRequest request){
  		return UserAgent.parseUserAgentString(request.getHeader("User-Agent"));
  	}
  	
  	/**
  	 * 获取设备类型
  	 * @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));
  	}
  
  	/**
  	 * 是否是手机
  	 * @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));
  	}
  
  	/**
  	 * 是否是手机和平板
  	 * @param request
  	 * @return
  	 */
  	public static boolean isMobileOrTablet(HttpServletRequest request){
  		DeviceType deviceType = getDeviceType(request);
  		return DeviceType.MOBILE.equals(deviceType) || DeviceType.TABLET.equals(deviceType);
  	}
  	
  	/**
  	 * 获取浏览类型
  	 * @param request
  	 * @return
  	 */
  	public static Browser getBrowser(HttpServletRequest request){
  		return getUserAgent(request).getBrowser();
  	}
  	
  	/**
  	 * 是否IE版本是否小于等于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);
  	}
  	
  }
  