add UrlFormatter

jdk/src/main/java/cn/reghao/jutil/jdk/http/util/UrlFormatter.java

@@ -0,0 +1,130 @@
+package cn.reghao.jutil.jdk.http.util;
+
+/**
+ * @author reghao
+ * @date 2021-03-15 12:33:44
+ */
+public class UrlFormatter {
+    /**
+     * 从 http/https url 中提取出域名
+     * https://twitter.com/Milkytutu/status/1264213127396114433 -> https://twitter.com
+     *
+     * @param
+     * @return
+     * @date 2021-03-15 下午12:13
+     */
+    public static String getDomain(String url) {
+        if (url.startsWith("https://")) {
+            String host = url.split("https://")[1].split("/")[0];
+            return "https://" + host;
+        } else {
+            String host = url.split("http://")[1].split("/")[0];
+            return "http://" + host;
+        }
+    }
+
+    /**
+     * 从 http/https url 中提取出主机
+     * https://twitter.com/Milkytutu/status/1264213127396114433 -> twitter.com
+     *
+     * @param
+     * @return
+     * @date 2021-03-15 下午12:13
+     */
+    public static String getHost(String url) {
+        if (url.startsWith("https://")) {
+            return url.split("https://")[1].split("/")[0];
+        } else {
+            return url.split("http://")[1].split("/")[0];
+        }
+    }
+
+    /**
+     * https://cdn.91p07.com//m3u8/442614/442614.m3u8?st=xHX459guiAmx5CsRJbLXyQ&e=1615796818
+     * -> https://cdn.91p07.com//m3u8/442614
+     *
+     * @param
+     * @return
+     * @date 2021-03-15 下午2:31
+     */
+    public static String getPrefix(String url) {
+        String noParamsUrl = url.split("\\?")[0];
+        return noParamsUrl.substring(0, noParamsUrl.lastIndexOf("/"));
+    }
+
+    /**
+     * https://cdn.91p07.com//m3u8/442614/442614.m3u8?st=xHX459guiAmx5CsRJbLXyQ&e=1615796818
+     * -> https://cdn.91p07.com//m3u8/442614/442614.m3u8
+     *
+     * @param
+     * @return
+     * @date 2021-03-15 下午2:33
+     */
+    public static String getUrlWithNoParams(String url) {
+        return url.split("\\?")[0];
+    }
+
+    /**
+     * 从 url 中取出指定参数的值
+     * http://91porn.com/uprofile.php?UID=b583fKPwaC8HuUDsIRbfEq9scGe1J90POTljHJwUJ998WRZq -> UID
+     *
+     * @param
+     * @return
+     * @date 2021-03-15 下午12:38
+     */
+    public static String getParamValue(String url, String name) {
+        String params = url.split("\\?")[1];
+        for (String kv : params.split("&")) {
+            String[] arr = kv.split("=");
+            if (arr.length != 2) {
+                return null;
+            }
+
+            if (name.equals(arr[0])) {
+                return arr[1];
+            }
+        }
+
+        return null;
+    }
+
+    /**
+     * https://video.twimg.com/ext_tw_video/1351933827732525056/pu/vid/3000/6000/320x544/RTM9oDMcLYnTfg_k.ts?name=value
+     * -> RTM9oDMcLYnTfg_k.ts
+     *
+     * @param
+     * @return
+     * @date 2021-03-15 下午9:36
+     */
+    public static String getFilename(String url) {
+        String noParamsUrl = url.split("\\?")[0];
+        int index = noParamsUrl.lastIndexOf("/");
+        return noParamsUrl.substring(index+1);
+    }
+
+    /**
+     * https://cdn.91p07.com//m3u8/442614/442614.m3u8?st=xHX459guiAmx5CsRJbLXyQ&e=1615796818 ->
+     * https://cdn.91p07.com//m3u8/442614/442614.m3u8
+     *
+     * @param
+     * @return
+     * @date 2021-11-26 上午11:17
+     */
+    public static String getUrlWithoutParam(String url) {
+        return url.split("\\?")[0];
+    }
+
+    /**
+     * 提取 uri
+     * http://static.reghao.icu/tnb/vid/img/vidcover/eY9G0Zpnqe.jpg -> /tnb/vid/img/vidcover/eY9G0Zpnqe.jpg
+     *
+     * @param
+     * @return
+     * @date 2021-11-24 上午9:47
+     */
+    public static String getUri(String url) {
+        String url1 = url.replaceFirst("^(http|https)://", "");
+        int idx = url1.indexOf("/");
+        return url1.substring(idx);
+    }
+}