Add CBOR support to AllEncompassingFormHttpMessageConverter

Closes gh-32428

spring-web/src/main/java/org/springframework/http/converter/support/AllEncompassingFormHttpMessageConverter.java

@@ -18,6 +18,7 @@ package org.springframework.http.converter.support;
 
 import org.springframework.http.converter.FormHttpMessageConverter;
 import org.springframework.http.converter.cbor.KotlinSerializationCborHttpMessageConverter;
+import org.springframework.http.converter.cbor.MappingJackson2CborHttpMessageConverter;
 import org.springframework.http.converter.json.GsonHttpMessageConverter;
 import org.springframework.http.converter.json.JsonbHttpMessageConverter;
 import org.springframework.http.converter.json.KotlinSerializationJsonHttpMessageConverter;
@@ -31,7 +32,8 @@ import org.springframework.util.ClassUtils;
 
 /**
  * Extension of {@link org.springframework.http.converter.FormHttpMessageConverter},
- * adding support for XML and JSON-based parts.
+ * adding support for XML, JSON, Smile, CBOR, Protobuf and Yaml based parts when
+ * related libraries are present in the classpath.
  *
  * @author Rossen Stoyanchev
  * @author Juergen Hoeller
@@ -48,6 +50,8 @@ public class AllEncompassingFormHttpMessageConverter extends FormHttpMessageConv
 
 	private static final boolean jackson2SmilePresent;
 
+	private static final boolean jackson2CborPresent;
+
 	private static final boolean jackson2YamlPresent;
 
 	private static final boolean gsonPresent;
@@ -67,6 +71,7 @@ public class AllEncompassingFormHttpMessageConverter extends FormHttpMessageConv
 						ClassUtils.isPresent("com.fasterxml.jackson.core.JsonGenerator", classLoader);
 		jackson2XmlPresent = ClassUtils.isPresent("com.fasterxml.jackson.dataformat.xml.XmlMapper", classLoader);
 		jackson2SmilePresent = ClassUtils.isPresent("com.fasterxml.jackson.dataformat.smile.SmileFactory", classLoader);
+		jackson2CborPresent = ClassUtils.isPresent("com.fasterxml.jackson.dataformat.cbor.CBORFactory", classLoader);
 		jackson2YamlPresent = ClassUtils.isPresent("com.fasterxml.jackson.dataformat.yaml.YAMLFactory", classLoader);
 		gsonPresent = ClassUtils.isPresent("com.google.gson.Gson", classLoader);
 		jsonbPresent = ClassUtils.isPresent("jakarta.json.bind.Jsonb", classLoader);
@@ -103,6 +108,10 @@ public class AllEncompassingFormHttpMessageConverter extends FormHttpMessageConv
 			addPartConverter(new MappingJackson2SmileHttpMessageConverter());
 		}
 
+		if (jackson2CborPresent) {
+			addPartConverter(new MappingJackson2CborHttpMessageConverter());
+		}
+
 		if (jackson2YamlPresent) {
 			addPartConverter(new MappingJackson2YamlHttpMessageConverter());
 		}