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package com.litongjava.model.http.useragent;

import java.util.Arrays;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

/**
 * 浏览器对象
 * 
 * @author looly
 * @since 4.2.1
 */
public class Browser extends UserAgentInfo {
  private static final long serialVersionUID = 6844785189881450545L;
  /** 未知 */
  public static final Browser Unknown = new Browser(NameUnknown, null, null);
  /** 其它版本 */
  public static final String Other_Version = "[\\/ ]([\\d\\w\\.\\-]+)";

  /**
   * 支持的浏览器类型
   */
  public static final List browers = Arrays.asList(//
      new Browser("MSEdge", "Edge", "edge\\/([\\d\\w\\.\\-]+)"), //
      new Browser("Chrome", "chrome", "chrome\\/([\\d\\w\\.\\-]+)"), //
      new Browser("Firefox", "firefox", Other_Version), //
      new Browser("IEMobile", "iemobile", Other_Version), //
      new Browser("Safari", "safari", "version\\/([\\d\\w\\.\\-]+)"), //
      new Browser("Opera", "opera", Other_Version), //
      new Browser("Konqueror", "konqueror", Other_Version), //
      new Browser("PS3", "playstation 3", "([\\d\\w\\.\\-]+)\\)\\s*$"), //
      new Browser("PSP", "playstation portable", "([\\d\\w\\.\\-]+)\\)?\\s*$"), //
      new Browser("Lotus", "lotus.notes", "Lotus-Notes\\/([\\w.]+)"), //
      new Browser("Thunderbird", "thunderbird", Other_Version), //
      new Browser("Netscape", "netscape", Other_Version), //
      new Browser("Seamonkey", "seamonkey", Other_Version), //
      new Browser("Outlook", "microsoft.outlook", Other_Version), //
      new Browser("Evolution", "evolution", Other_Version), //
      new Browser("MSIE", "msie", "msie ([\\d\\w\\.\\-]+)"), //
      new Browser("MSIE11", "rv:11", "rv:([\\d\\w\\.\\-]+)"), //
      new Browser("Gabble", "Gabble", "Gabble\\/([\\d\\w\\.\\-]+)"), //
      new Browser("Yammer Desktop", "AdobeAir", "([\\d\\w\\.\\-]+)\\/Yammer"), //
      new Browser("Yammer Mobile", "Yammer[\\s]+([\\d\\w\\.\\-]+)", "Yammer[\\s]+([\\d\\w\\.\\-]+)"), //
      new Browser("Apache HTTP Client", "Apache\\\\-HttpClient", "Apache\\-HttpClient\\/([\\d\\w\\.\\-]+)"), //
      new Browser("BlackBerry", "BlackBerry", "BlackBerry[\\d]+\\/([\\d\\w\\.\\-]+)"), //
      new Browser("iPhone", "iPhone", "Mobile\\/([\\d\\w\\.\\-]+)"), //
      new Browser("Html5Plus", "Html5Plus", "Html5Plus\\/([\\d\\w\\.\\-]+)"), //
      new Browser("uni-app", "uni-app", "uni-app"));

  private Pattern versionPattern;

  /**
   * 构造
   * 
   * @param name         浏览器名称
   * @param regex        关键字或表达式
   * @param versionRegex 匹配版本的正则
   */
  public Browser(String name, String regex, String versionRegex) {
    super(name, regex);
    if (Other_Version.equals(versionRegex)) {
      versionRegex = name + versionRegex;
    }
    if (null != versionRegex) {
      this.versionPattern = Pattern.compile(versionRegex, Pattern.CASE_INSENSITIVE);
    }
  }

  /**
   * 获取浏览器版本
   * 
   * @param userAgentString User-Agent字符串
   * @return 版本
   */
  public String getVersion(String userAgentString) {
    return getGroup1(this.versionPattern, userAgentString);
  }

  private String getGroup1(Pattern pattern, String content) {
    return get(pattern, content, 1);
  }

  private String get(Pattern pattern, String content, int groupIndex) {
    final Matcher matcher = pattern.matcher(content);
    if (matcher.find()) {
      return matcher.group(groupIndex);
    }
    return null;
  }

  /**
   * 是否移动浏览器
   * 
   * @return 是否移动浏览器
   */
  public boolean isMobile() {
    return "PSP".equals(this.getName());
  }
}