fix: NoClassDefFoundError: org/springframework/http/HttpMethod (#552)

* 修复spring HttpMethod类冲突问题

* revert changes: RecordLimiter.java

* remove unused import

Author: shichanglin5

arex-instrumentation-api/src/main/java/io/arex/inst/runtime/model/ArexConstants.java

@@ -1,6 +1,12 @@
 package io.arex.inst.runtime.model;
 
 public class ArexConstants {
+    public static final String HTTP_METHOD_HEAD = "HEAD";
+    public static final String HTTP_METHOD_OPTIONS = "OPTIONS";
+    public static final String HTTP_METHOD_GET = "GET";
+    public static final String HTTP_METHOD_POST = "POST";
+    public static final String HTTP_METHOD_PUT = "PUT";
+
     private ArexConstants() {}
 
     /**

arex-instrumentation/servlet/arex-httpservlet/src/main/java/io/arex/inst/httpservlet/ServletAdviceHelper.java

@@ -22,7 +22,6 @@
 import java.util.concurrent.Callable;
 import java.util.concurrent.CompletableFuture;
 
-import org.springframework.http.HttpMethod;
 import org.springframework.web.bind.annotation.ResponseBody;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.context.request.NativeWebRequest;
@@ -210,8 +209,8 @@ private static <TRequest> boolean shouldSkip(ServletAdapter<TRequest, ?> adapter
         }
 
         // skip if pre-request http-method is HEAD or OPTIONS
-        if (HttpMethod.HEAD.name().equals(adapter.getMethod(httpServletRequest))
-                || HttpMethod.OPTIONS.name().equals(adapter.getMethod(httpServletRequest))) {
+        if (ArexConstants.HTTP_METHOD_HEAD.equals(adapter.getMethod(httpServletRequest))
+                || ArexConstants.HTTP_METHOD_OPTIONS.equals(adapter.getMethod(httpServletRequest))) {
             return true;
         }