cn.hutool.http.useragent.Engine Maven / Gradle / Ivy
package cn.hutool.http.useragent;
import cn.hutool.core.collection.CollUtil;
import cn.hutool.core.util.ReUtil;
import java.util.List;
import java.util.regex.Pattern;
/**
* 引擎对象
*
* @author looly
* @since 4.2.1
*/
public class Engine extends UserAgentInfo {
private static final long serialVersionUID = 1L;
/** 未知 */
public static final Engine Unknown = new Engine(NameUnknown, null);
/**
* 支持的引擎类型
*/
public static final List engines = CollUtil.newArrayList(
new Engine("Trident", "trident"),
new Engine("Webkit", "webkit"),
new Engine("Chrome", "chrome"),
new Engine("Opera", "opera"),
new Engine("Presto", "presto"),
new Engine("Gecko", "gecko"),
new Engine("KHTML", "khtml"),
new Engine("Konqueror", "konqueror"),
new Engine("MIDP", "MIDP")
);
private final Pattern versionPattern;
/**
* 构造
*
* @param name 引擎名称
* @param regex 关键字或表达式
*/
public Engine(String name, String regex) {
super(name, regex);
this.versionPattern = Pattern.compile(name + "[/\\- ]([\\d\\w.\\-]+)", Pattern.CASE_INSENSITIVE);
}
/**
* 获取引擎版本
*
* @param userAgentString User-Agent字符串
* @return 版本
* @since 5.7.4
*/
public String getVersion(String userAgentString) {
if(isUnknown()){
return null;
}
return ReUtil.getGroup1(this.versionPattern, userAgentString);
}
}