From 6644ff8b8baf9705b0d02558b4841367e988b4bb Mon Sep 17 00:00:00 2001
From: Pascal Krause <pascal.krause@sap.com>
Date: Tue, 28 Jul 2026 20:34:21 +0200
Subject: [PATCH] feat: support wildcards in determineContentType

---
 .../contract/impl/RequestBodyImpl.java        |  4 +++-
 .../contract/impl/RequestBodyImplTest.java    | 23 +++++++++++++++++--
 2 files changed, 24 insertions(+), 3 deletions(-)

diff --git a/src/main/java/io/vertx/openapi/contract/impl/RequestBodyImpl.java b/src/main/java/io/vertx/openapi/contract/impl/RequestBodyImpl.java
index 12d1e0c..8bf7dc9 100644
--- a/src/main/java/io/vertx/openapi/contract/impl/RequestBodyImpl.java
+++ b/src/main/java/io/vertx/openapi/contract/impl/RequestBodyImpl.java
@@ -23,6 +23,7 @@
 import io.vertx.json.schema.JsonSchema;
 import io.vertx.openapi.contract.MediaType;
 import io.vertx.openapi.contract.RequestBody;
+import io.vertx.openapi.mediatype.MediaTypeInfo;
 import io.vertx.openapi.mediatype.MediaTypeRegistration;
 import io.vertx.openapi.mediatype.MediaTypeRegistry;
 import java.util.Map;
@@ -95,7 +96,8 @@ public MediaType determineContentType(String contentType) {
     }
 
     for (Map.Entry<String, MediaType> declaredType : content.entrySet()) {
-      if (condensedIdentifier.startsWith(removeWhiteSpaces(declaredType.getKey()))) {
+      if (MediaTypeInfo.of(removeWhiteSpaces(declaredType.getKey()))
+          .doesInclude(MediaTypeInfo.of(condensedIdentifier))) {
         return declaredType.getValue();
       }
     }
diff --git a/src/test/java/io/vertx/tests/contract/impl/RequestBodyImplTest.java b/src/test/java/io/vertx/tests/contract/impl/RequestBodyImplTest.java
index b456125..fc8a6e7 100644
--- a/src/test/java/io/vertx/tests/contract/impl/RequestBodyImplTest.java
+++ b/src/test/java/io/vertx/tests/contract/impl/RequestBodyImplTest.java
@@ -27,7 +27,10 @@
 import io.vertx.openapi.contract.OpenAPIContractException;
 import io.vertx.openapi.contract.RequestBody;
 import io.vertx.openapi.contract.impl.RequestBodyImpl;
+import io.vertx.openapi.mediatype.ContentAnalyserFactory;
+import io.vertx.openapi.mediatype.MediaTypePredicate;
 import io.vertx.openapi.mediatype.MediaTypeRegistry;
+import io.vertx.openapi.mediatype.impl.DefaultMediaTypeRegistration;
 import java.nio.file.Path;
 import java.util.stream.Stream;
 import org.junit.jupiter.api.BeforeAll;
@@ -104,13 +107,16 @@ void testExceptions(String testId, ContractErrorType type, String msg) {
   }
 
   private RequestBodyImpl buildWithContent(String... contentTypes) {
+    return buildWithContentAndRegistry(MediaTypeRegistry.createDefault(), contentTypes);
+  }
+
+  private RequestBodyImpl buildWithContentAndRegistry(MediaTypeRegistry registry, String... contentTypes) {
     JsonObject dummySchema = new JsonObject().put("schema", new JsonObject().put("type", "string"));
     JsonObject content = new JsonObject();
     for (String type : contentTypes) {
       content.put(type, dummySchema);
     }
-    return new RequestBodyImpl(new JsonObject().put("content", content), DUMMY_OPERATION_ID,
-        MediaTypeRegistry.createDefault());
+    return new RequestBodyImpl(new JsonObject().put("content", content), DUMMY_OPERATION_ID, registry);
   }
 
   @Test
@@ -133,5 +139,18 @@ void testDetermineContentType() {
         .isEqualTo(APPLICATION_JSON_UTF8);
 
     assertThat(bodyBoth.determineContentType("application/text")).isNull();
+
+    // With wildcard content type
+  }
+
+  @Test
+  void testDetermineContentTypeWithMediaTypeRange() {
+    String imageWildcard = "image/*";
+    MediaTypeRegistry registry = MediaTypeRegistry.createDefault()
+        .register(new DefaultMediaTypeRegistration(
+            MediaTypePredicate.ofRegexp("image/.*"), ContentAnalyserFactory.noop()));
+    RequestBody requestBody = buildWithContentAndRegistry(registry, imageWildcard);
+
+    assertThat(requestBody.determineContentType("image/png").getIdentifier()).isEqualTo(imageWildcard);
   }
 }