Add getters to RSocketMessageHandler

spring-messaging/src/main/java/org/springframework/messaging/rsocket/annotation/support/RSocketMessageHandler.java

@@ -148,6 +148,15 @@ public void setMetadataExtractor(MetadataExtractor extractor) {
 		this.metadataExtractor = extractor;
 	}
 
+	/**
+	 * Return the configured {@link #setMetadataExtractor MetadataExtractor}.
+	 * This may be {@code null} before {@link #afterPropertiesSet()}.
+	 */
+	@Nullable
+	public MetadataExtractor getMetadataExtractor() {
+		return this.metadataExtractor;
+	}
+
 	/**
 	 * Configure the default content type to use for data payloads if the
 	 * {@code SETUP} frame did not specify one.
@@ -158,6 +167,15 @@ public void setDefaultDataMimeType(@Nullable MimeType mimeType) {
 		this.defaultDataMimeType = mimeType;
 	}
 
+	/**
+	 * Return the configured
+	 * {@link #setDefaultDataMimeType defaultDataMimeType}, or {@code null}.
+	 */
+	@Nullable
+	public MimeType getDefaultDataMimeType() {
+		return this.defaultDataMimeType;
+	}
+
 	/**
 	 * Configure the default {@code MimeType} for payload data if the
 	 * {@code SETUP} frame did not specify one.
@@ -169,6 +187,14 @@ public void setDefaultMetadataMimeType(MimeType mimeType) {
 		this.defaultMetadataMimeType = mimeType;
 	}
 
+	/**
+	 * Return the configured
+	 * {@link #setDefaultMetadataMimeType defaultMetadataMimeType}.
+	 */
+	public MimeType getDefaultMetadataMimeType() {
+		return this.defaultMetadataMimeType;
+	}
+
 
 	@Override
 	public void afterPropertiesSet() {