Convert comma-separated string into list of classes analogous to existing support for class array

Issue: SPR-14415

spring-beans/src/test/java/org/springframework/beans/factory/xml/XmlBeanCollectionTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2013 the original author or authors.
+ * Copyright 2002-2016 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.
@@ -29,6 +29,7 @@ import java.util.Set;
 import java.util.TreeMap;
 import java.util.TreeSet;
 
+import org.junit.Before;
 import org.junit.Test;
 
 import org.springframework.beans.factory.BeanCreationException;
@@ -52,14 +53,16 @@ import static org.junit.Assert.*;
  */
 public class XmlBeanCollectionTests {
 
-	private final DefaultListableBeanFactory beanFactory;
+	private final DefaultListableBeanFactory beanFactory = new DefaultListableBeanFactory();
 
-	public XmlBeanCollectionTests() {
-		this.beanFactory = new DefaultListableBeanFactory();
+
+	@Before
+	public void loadBeans() {
 		new XmlBeanDefinitionReader(this.beanFactory).loadBeanDefinitions(
 				new ClassPathResource("collections.xml", getClass()));
 	}
 
+
 	@Test
 	public void testCollectionFactoryDefaults() throws Exception {
 		ListFactoryBean listFactory = new ListFactoryBean();
@@ -327,6 +330,15 @@ public class XmlBeanCollectionTests {
 		assertTrue(hasMap.getObjectArray()[1].equals(this.beanFactory.getBean("jenny")));
 	}
 
+	@Test
+	public void testIntegerArray() throws Exception {
+		HasMap hasMap = (HasMap) this.beanFactory.getBean("integerArray");
+		assertTrue(hasMap.getIntegerArray().length == 3);
+		assertTrue(hasMap.getIntegerArray()[0].intValue() == 0);
+		assertTrue(hasMap.getIntegerArray()[1].intValue() == 1);
+		assertTrue(hasMap.getIntegerArray()[2].intValue() == 2);
+	}
+
 	@Test
 	public void testClassArray() throws Exception {
 		HasMap hasMap = (HasMap) this.beanFactory.getBean("classArray");
@@ -336,12 +348,11 @@ public class XmlBeanCollectionTests {
 	}
 
 	@Test
-	public void testIntegerArray() throws Exception {
-		HasMap hasMap = (HasMap) this.beanFactory.getBean("integerArray");
-		assertTrue(hasMap.getIntegerArray().length == 3);
-		assertTrue(hasMap.getIntegerArray()[0].intValue() == 0);
-		assertTrue(hasMap.getIntegerArray()[1].intValue() == 1);
-		assertTrue(hasMap.getIntegerArray()[2].intValue() == 2);
+	public void testClassList() throws Exception {
+		HasMap hasMap = (HasMap) this.beanFactory.getBean("classList");
+		assertTrue(hasMap.getClassList().size()== 2);
+		assertTrue(hasMap.getClassList().get(0).equals(String.class));
+		assertTrue(hasMap.getClassList().get(1).equals(Exception.class));
 	}
 
 	@Test
@@ -447,4 +458,5 @@ public class XmlBeanCollectionTests {
 			return obj;
 		}
 	}
+
 }

spring-beans/src/test/java/org/springframework/tests/sample/beans/HasMap.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2012 the original author or authors.
+ * Copyright 2002-2016 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.
@@ -17,6 +17,7 @@
 package org.springframework.tests.sample.beans;
 
 import java.util.IdentityHashMap;
+import java.util.List;
 import java.util.Map;
 import java.util.Properties;
 import java.util.Set;
@@ -38,9 +39,11 @@ public class HasMap {
 
 	private Object[] objectArray;
 
+	private Integer[] intArray;
+
 	private Class<?>[] classArray;
 
-	private Integer[] intArray;
+	private List<Class<?>> classList;
 
 	private IdentityHashMap identityMap;
 
@@ -81,6 +84,14 @@ public class HasMap {
 		this.objectArray = objectArray;
 	}
 
+	public Integer[] getIntegerArray() {
+		return intArray;
+	}
+
+	public void setIntegerArray(Integer[] is) {
+		intArray = is;
+	}
+
 	public Class<?>[] getClassArray() {
 		return classArray;
 	}
@@ -89,12 +100,12 @@ public class HasMap {
 		this.classArray = classArray;
 	}
 
-	public Integer[] getIntegerArray() {
-		return intArray;
+	public List<Class<?>> getClassList() {
+		return classList;
 	}
 
-	public void setIntegerArray(Integer[] is) {
-		intArray = is;
+	public void setClassList(List<Class<?>> classList) {
+		this.classList = classList;
 	}
 
 	public IdentityHashMap getIdentityMap() {