Deprecate JiBX marshaller

Resolves #22249

spring-oxm/src/main/java/org/springframework/oxm/config/JibxMarshallerBeanDefinitionParser.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2013 the original author or authors.
+ * Copyright 2002-2019 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.
@@ -25,7 +25,9 @@ import org.springframework.beans.factory.xml.AbstractSimpleBeanDefinitionParser;
  *
  * @author Arjen Poutsma
  * @since 3.0
+ * @deprecated as of Spring Framework 5.1.5, due to the lack of activity on the JiBX project
  */
+@Deprecated
 class JibxMarshallerBeanDefinitionParser extends AbstractSimpleBeanDefinitionParser {
 
 	@Override

spring-oxm/src/main/java/org/springframework/oxm/jibx/JibxMarshaller.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2018 the original author or authors.
+ * Copyright 2002-2019 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.
@@ -81,7 +81,9 @@ import org.springframework.util.xml.StaxUtils;
  * @since 3.0
  * @see org.jibx.runtime.IMarshallingContext
  * @see org.jibx.runtime.IUnmarshallingContext
+ * @deprecated as of Spring Framework 5.1.5, due to the lack of activity on the JiBX project
  */
+@Deprecated
 public class JibxMarshaller extends AbstractMarshaller implements InitializingBean {
 
 	private static final String DEFAULT_BINDING_NAME = "binding";

spring-oxm/src/main/resources/org/springframework/oxm/config/spring-oxm.xsd

@@ -50,7 +50,7 @@
 		<xsd:complexType>
 			<xsd:annotation>
 				<xsd:documentation source="java:org.springframework.oxm.jibx.JibxMarshaller">
-					Defines a JiBX Marshaller.
+					Defines a JiBX Marshaller. Deprecated as of Spring Framework 5.1.5!
 				</xsd:documentation>
 				<xsd:appinfo>
 					<tool:annotation>

spring-oxm/src/test/java/org/springframework/oxm/jibx/JibxMarshallerTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2016 the original author or authors.
+ * Copyright 2002-2019 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.
@@ -26,7 +26,7 @@ import org.junit.Test;
 import org.springframework.oxm.AbstractMarshallerTests;
 
 import static org.junit.Assert.*;
-import static org.xmlunit.matchers.CompareMatcher.*;
+import static org.xmlunit.matchers.CompareMatcher.isSimilarTo;
 
 /**
  * NOTE: These tests fail under Eclipse/IDEA because JiBX binding does not occur by
@@ -35,6 +35,7 @@ import static org.xmlunit.matchers.CompareMatcher.*;
  * @author Arjen Poutsma
  * @author Sam Brannen
  */
+@Deprecated
 public class JibxMarshallerTests extends AbstractMarshallerTests<JibxMarshaller> {
 
 	@BeforeClass

spring-oxm/src/test/java/org/springframework/oxm/jibx/JibxUnmarshallerTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2016 the original author or authors.
+ * Copyright 2002-2019 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.
@@ -34,6 +34,7 @@ import static org.junit.Assert.*;
  * @author Arjen Poutsma
  * @author Sam Brannen
  */
+@Deprecated
 public class JibxUnmarshallerTests extends AbstractUnmarshallerTests<JibxMarshaller> {
 
 	protected static final String INPUT_STRING_WITH_SPECIAL_CHARACTERS =