Deprecate native JRuby support

Issue: SPR-13283

spring-context/src/main/java/org/springframework/scripting/jruby/JRubyScriptFactory.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2013 the original author or authors.
+ * Copyright 2002-2015 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.
@@ -38,13 +38,18 @@ import org.springframework.util.ClassUtils;
  * see the latter's javadoc for a configuration example.
  *
  * <p>Note: Spring 4.0 supports JRuby 1.5 and higher.
+ * As of Spring 4.2, JRuby 9.0.0.0 is supported but only through
+ * {@link org.springframework.scripting.support.StandardScriptFactory}.
  *
  * @author Juergen Hoeller
  * @author Rob Harrop
  * @since 2.0
  * @see JRubyScriptUtils
  * @see org.springframework.scripting.support.ScriptFactoryPostProcessor
+ * @deprecated in favor of JRuby support via the JSR-223 abstraction
+ * ({@link org.springframework.scripting.support.StandardScriptFactory})
  */
+@Deprecated
 public class JRubyScriptFactory implements ScriptFactory, BeanClassLoaderAware {
 
 	private final String scriptSourceLocator;

spring-context/src/main/java/org/springframework/scripting/jruby/JRubyScriptUtils.java

@@ -45,12 +45,17 @@ import org.springframework.util.StringUtils;
  * Utility methods for handling JRuby-scripted objects.
  *
  * <p>Note: Spring 4.0 supports JRuby 1.5 and higher.
+ * As of Spring 4.2, JRuby 9.0.0.0 is supported but only through
+ * {@link org.springframework.scripting.support.StandardScriptFactory}.
  *
  * @author Rob Harrop
  * @author Juergen Hoeller
  * @author Rick Evans
  * @since 2.0
+ * @deprecated in favor of JRuby support via the JSR-223 abstraction
+ * ({@link org.springframework.scripting.support.StandardScriptFactory})
  */
+@Deprecated
 public abstract class JRubyScriptUtils {
 
 	/**