Extract OAuthPolicyData to a top-level file with a from() factory method

  Move OAuthPolicyData out of OAuthUtils into its own file so integrations
  can reference it directly, and add a static from(AuthenticationPolicyUnion)
  convenience factory that delegates to OAuthUtils.from().

Signed-off-by: Matheus Cruz <matheuscruz.dev@gmail.com>

Author: mcruzdev

impl/core/src/main/java/io/serverlessworkflow/impl/auth/OAuth2AuthProvider.java

@@ -21,7 +21,7 @@
 class OAuth2AuthProvider extends CommonOAuthProvider {
 
   public OAuth2AuthProvider(
-      WorkflowApplication application, Workflow workflow, OAuthUtils.OAuthPolicyData policyData) {
+      WorkflowApplication application, Workflow workflow, OAuthPolicyData policyData) {
     super(
         accessToken(
             workflow,

impl/core/src/main/java/io/serverlessworkflow/impl/auth/OAuthPolicyData.java

@@ -0,0 +1,29 @@
+/*
+ * Copyright 2020-Present The Serverless Workflow Specification Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package io.serverlessworkflow.impl.auth;
+
+import io.serverlessworkflow.api.types.AuthenticationPolicyUnion;
+import io.serverlessworkflow.api.types.OAuth2AuthenticationData;
+import io.serverlessworkflow.api.types.SecretBasedAuthenticationPolicy;
+import java.util.Optional;
+
+public record OAuthPolicyData(
+    OAuth2AuthenticationData data, SecretBasedAuthenticationPolicy secret, OAuthScheme scheme) {
+
+  public static Optional<OAuthPolicyData> from(AuthenticationPolicyUnion policy) {
+    return OAuthUtils.from(policy);
+  }
+}

impl/core/src/main/java/io/serverlessworkflow/impl/auth/OAuthUtils.java

@@ -16,13 +16,11 @@
 package io.serverlessworkflow.impl.auth;
 
 import io.serverlessworkflow.api.types.AuthenticationPolicyUnion;
-import io.serverlessworkflow.api.types.OAuth2AuthenticationData;
 import io.serverlessworkflow.api.types.OAuth2AuthenticationPolicy;
 import io.serverlessworkflow.api.types.OAuth2AuthenticationPolicyConfiguration;
 import io.serverlessworkflow.api.types.OpenIdConnectAuthenticationPolicy;
 import io.serverlessworkflow.api.types.OpenIdConnectAuthenticationPolicyConfiguration;
 import io.serverlessworkflow.api.types.ReferenceableAuthenticationPolicy;
-import io.serverlessworkflow.api.types.SecretBasedAuthenticationPolicy;
 import io.serverlessworkflow.api.types.Use;
 import io.serverlessworkflow.api.types.Workflow;
 import java.util.Optional;
@@ -31,9 +29,6 @@ public class OAuthUtils {
 
   private OAuthUtils() {}
 
-  public record OAuthPolicyData(
-      OAuth2AuthenticationData data, SecretBasedAuthenticationPolicy secret, OAuthScheme scheme) {}
-
   public static Optional<OAuthPolicyData> from(AuthenticationPolicyUnion policy) {
     if (policy == null) {
       return Optional.empty();

impl/core/src/main/java/io/serverlessworkflow/impl/auth/OpenIdAuthProvider.java

@@ -21,7 +21,7 @@
 class OpenIdAuthProvider extends CommonOAuthProvider {
 
   public OpenIdAuthProvider(
-      WorkflowApplication application, Workflow workflow, OAuthUtils.OAuthPolicyData policyData) {
+      WorkflowApplication application, Workflow workflow, OAuthPolicyData policyData) {
     super(
         accessToken(
             workflow,

impl/test/src/test/java/io/serverlessworkflow/impl/test/OAuthUtilsTest.java

@@ -28,9 +28,9 @@
 import io.serverlessworkflow.api.types.OpenIdConnectAuthenticationPolicy;
 import io.serverlessworkflow.api.types.OpenIdConnectAuthenticationPolicyConfiguration;
 import io.serverlessworkflow.api.types.SecretBasedAuthenticationPolicy;
+import io.serverlessworkflow.impl.auth.OAuthPolicyData;
 import io.serverlessworkflow.impl.auth.OAuthScheme;
 import io.serverlessworkflow.impl.auth.OAuthUtils;
-import io.serverlessworkflow.impl.auth.OAuthUtils.OAuthPolicyData;
 import java.util.Optional;
 import org.junit.jupiter.api.Test;