feat：增加useragent

springboot-util/src/main/java/com/tiesheng/util/useragent/Engine.java

@@ -0,0 +1,62 @@
+package com.tiesheng.util.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<Engine> 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);
+	}
+}