doc: Write JavaDoc and comments for RequestMapping

Author: Pil0tXia

eventmesh-admin/eventmesh-admin-rocketmq/src/main/java/org/apache/eventmesh/admin/rocketmq/util/RequestMapping.java

@@ -23,25 +23,65 @@
 
 import lombok.experimental.UtilityClass;
 
+/**
+ * This class provides utility methods for handling HTTP request mappings.
+ */
+
 @UtilityClass
 public class RequestMapping {
 
+    /**
+     * Performs a POST mapping for a specific URL.
+     *
+     * @param value        the URL pattern to match
+     * @param httpExchange the exchange containing the request from the client and used to send the response
+     * @return {@code true} if the URL pattern matches and the HTTP method is POST, {@code false} otherwise
+     */
     public boolean postMapping(String value, HttpExchange httpExchange) {
         return isUrlMatch(value, httpExchange, HttpMethod.POST.name());
     }
 
+    /**
+     * Performs a GET mapping for a specific URL.
+     *
+     * @param value        the URL pattern to match
+     * @param httpExchange the exchange containing the request from the client and used to send the response
+     * @return {@code true} if the URL pattern matches and the HTTP method is GET, {@code false} otherwise
+     */
     public boolean getMapping(String value, HttpExchange httpExchange) {
         return isUrlMatch(value, httpExchange, HttpMethod.GET.name());
     }
 
+    /**
+     * Performs a PUT mapping for a specific URL.
+     *
+     * @param value        the URL pattern to match
+     * @param httpExchange the exchange containing the request from the client and used to send the response
+     * @return {@code true} if the URL pattern matches and the HTTP method is PUT, {@code false} otherwise
+     */
     public boolean putMapping(String value, HttpExchange httpExchange) {
         return isUrlMatch(value, httpExchange, HttpMethod.PUT.name());
     }
 
+    /**
+     * Performs a DELETE mapping for a specific URL.
+     *
+     * @param value        the URL pattern to match
+     * @param httpExchange the exchange containing the request from the client and used to send the response
+     * @return {@code true} if the URL pattern matches and the HTTP method is DELETE, {@code false} otherwise
+     */
     public boolean deleteMapping(String value, HttpExchange httpExchange) {
         return isUrlMatch(value, httpExchange, HttpMethod.DELETE.name());
     }
 
+    /**
+     * Checks if the URL pattern matches the request URI and the HTTP method is the specified method type.
+     *
+     * @param value        the URL pattern to match
+     * @param httpExchange the exchange containing the request from the client and used to send the response
+     * @param methodType   the HTTP method type to check against
+     * @return {@code true} if the URL pattern matches and the HTTP method is the specified method type, {@code false} otherwise
+     */
     private boolean isUrlMatch(String value, HttpExchange httpExchange, String methodType) {
         if (methodType.equalsIgnoreCase(httpExchange.getRequestMethod())) {
             String requestUri = httpExchange.getRequestURI().getPath();