Polish Yaml support

Closes gh-32345

Author: sdeleuze

spring-web/src/main/java/org/springframework/http/MediaType.java

@@ -314,13 +314,15 @@ public class MediaType extends MimeType implements Serializable {
 
 	/**
 	 * Public constant media type for {@code application/yaml}.
+	 * @since 6.2
 	 */
 	public static final MediaType APPLICATION_YAML;
 
 	/**
 	 * A String equivalent of {@link MediaType#APPLICATION_YAML}.
+	 * @since 6.2
 	 */
-	public static final String APPLICATION_YAML_VALE = "application/yaml";
+	public static final String APPLICATION_YAML_VALUE = "application/yaml";
 
 	/**
 	 * Public constant media type for {@code image/gif}.

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

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2022 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -26,6 +26,7 @@
 import org.springframework.http.converter.smile.MappingJackson2SmileHttpMessageConverter;
 import org.springframework.http.converter.xml.Jaxb2RootElementHttpMessageConverter;
 import org.springframework.http.converter.xml.MappingJackson2XmlHttpMessageConverter;
+import org.springframework.http.converter.yaml.MappingJackson2YamlHttpMessageConverter;
 import org.springframework.util.ClassUtils;
 
 /**
@@ -47,6 +48,8 @@ public class AllEncompassingFormHttpMessageConverter extends FormHttpMessageConv
 
 	private static final boolean jackson2SmilePresent;
 
+	private static final boolean jackson2YamlPresent;
+
 	private static final boolean gsonPresent;
 
 	private static final boolean jsonbPresent;
@@ -64,6 +67,7 @@ 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);
+		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);
 		kotlinSerializationCborPresent = ClassUtils.isPresent("kotlinx.serialization.cbor.Cbor", classLoader);
@@ -99,6 +103,10 @@ else if (jsonbPresent) {
 			addPartConverter(new MappingJackson2SmileHttpMessageConverter());
 		}
 
+		if (jackson2YamlPresent) {
+			addPartConverter(new MappingJackson2YamlHttpMessageConverter());
+		}
+
 		if (kotlinSerializationCborPresent) {
 			addPartConverter(new KotlinSerializationCborHttpMessageConverter());
 		}

spring-web/src/main/java/org/springframework/http/converter/yaml/MappingJackson2YamlHttpMessageConverter.java

@@ -27,10 +27,10 @@
 /**
  * Implementation of {@link org.springframework.http.converter.HttpMessageConverter
  * HttpMessageConverter} that can read and write the <a href="https://yaml.io/">YAML</a>
- * data format using <a href="https://github.com/FasterXML/jackson-dataformat-yaml/tree/master">
+ * data format using <a href="https://github.com/FasterXML/jackson-dataformats-text/tree/2.17/yaml">
  * the dedicated Jackson 2.x extension</a>.
  *
- * <p>By default, this converter supports the {@link MediaType#APPLICATION_YAML_VALE}
+ * <p>By default, this converter supports the {@link MediaType#APPLICATION_YAML_VALUE}
  * media type. This can be overridden by setting the {@link #setSupportedMediaTypes
  * supportedMediaTypes} property.
  *

spring-webmvc/src/main/java/org/springframework/web/servlet/config/AnnotationDrivenBeanDefinitionParser.java

@@ -470,7 +470,7 @@ private Properties getDefaultMediaTypes() {
 			defaultMediaTypes.put("cbor", MediaType.APPLICATION_CBOR_VALUE);
 		}
 		if (jackson2YamlPresent) {
-			defaultMediaTypes.put("yaml", MediaType.APPLICATION_YAML_VALE);
+			defaultMediaTypes.put("yaml", MediaType.APPLICATION_YAML_VALUE);
 		}
 		return defaultMediaTypes;
 	}