Use try-with-resource in XmlBeanDefinitionReader

Closes gh-24492

spring-beans/src/main/java/org/springframework/beans/factory/xml/XmlBeanDefinitionReader.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2018 the original author or authors.
+ * Copyright 2002-2020 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.
@@ -327,19 +327,14 @@ public class XmlBeanDefinitionReader extends AbstractBeanDefinitionReader {
 			throw new BeanDefinitionStoreException(
 					"Detected cyclic loading of " + encodedResource + " - check your import definitions!");
 		}
-		try {
-			InputStream inputStream = encodedResource.getResource().getInputStream();
-			try {
+
+		try (InputStream inputStream = encodedResource.getResource().getInputStream()) {
 			InputSource inputSource = new InputSource(inputStream);
 			if (encodedResource.getEncoding() != null) {
 				inputSource.setEncoding(encodedResource.getEncoding());
 			}
 			return doLoadBeanDefinitions(inputSource, encodedResource.getResource());
 		}
-			finally {
-				inputStream.close();
-			}
-		}
 		catch (IOException ex) {
 			throw new BeanDefinitionStoreException(
 					"IOException parsing XML document from " + encodedResource.getResource(), ex);