Remove unecessary reflection hacks

spring-boot-actuator/src/main/java/org/springframework/boot/actuate/endpoint/EnvironmentEndpoint.java

@@ -16,12 +16,9 @@
 
 package org.springframework.boot.actuate.endpoint;
 
-import java.lang.reflect.Field;
-import java.util.Collections;
 import java.util.LinkedHashMap;
 import java.util.Map;
 import java.util.Map.Entry;
-import java.util.Set;
 
 import org.springframework.boot.context.properties.ConfigurationProperties;
 import org.springframework.context.EnvironmentAware;
@@ -32,7 +29,6 @@ import org.springframework.core.env.Environment;
 import org.springframework.core.env.MutablePropertySources;
 import org.springframework.core.env.PropertySource;
 import org.springframework.core.env.StandardEnvironment;
-import org.springframework.util.ReflectionUtils;
 
 /**
  * {@link Endpoint} to expose {@link ConfigurableEnvironment environment} information.
@@ -98,8 +94,8 @@ public class EnvironmentEndpoint extends AbstractEndpoint<Map<String, Object>> i
 	private void extract(String root, Map<String, PropertySource<?>> map,
 			PropertySource<?> source) {
 		if (source instanceof CompositePropertySource) {
-			Set<PropertySource<?>> nested = getNestedPropertySources((CompositePropertySource) source);
-			for (PropertySource<?> nest : nested) {
+			for (PropertySource<?> nest : ((CompositePropertySource) source)
+					.getPropertySources()) {
 				extract(source.getName() + ":", map, nest);
 			}
 		}
@@ -108,19 +104,6 @@ public class EnvironmentEndpoint extends AbstractEndpoint<Map<String, Object>> i
 		}
 	}
 
-	@SuppressWarnings("unchecked")
-	private Set<PropertySource<?>> getNestedPropertySources(CompositePropertySource source) {
-		try {
-			Field field = ReflectionUtils.findField(CompositePropertySource.class,
-					"propertySources");
-			field.setAccessible(true);
-			return (Set<PropertySource<?>>) field.get(source);
-		}
-		catch (Exception ex) {
-			return Collections.emptySet();
-		}
-	}
-
 	public Object sanitize(String name, Object object) {
 		return this.sanitizer.sanitize(name, object);
 	}

spring-boot/src/main/java/org/springframework/boot/bind/PropertySourcesPropertyValues.java

@@ -16,7 +16,6 @@
 
 package org.springframework.boot.bind;
 
-import java.lang.reflect.Field;
 import java.util.Arrays;
 import java.util.Collection;
 import java.util.Collections;
@@ -32,7 +31,6 @@ import org.springframework.core.env.PropertySource;
 import org.springframework.core.env.PropertySources;
 import org.springframework.core.env.PropertySourcesPropertyResolver;
 import org.springframework.core.env.StandardEnvironment;
-import org.springframework.util.ReflectionUtils;
 import org.springframework.validation.DataBinder;
 
 /**
@@ -142,27 +140,11 @@ public class PropertySourcesPropertyValues implements PropertyValues {
 	private void processCompositePropertySource(CompositePropertySource source,
 			PropertySourcesPropertyResolver resolver,
 			PropertyNamePatternsMatcher includes, Collection<String> exacts) {
-		for (PropertySource<?> nested : extractSources(source)) {
+		for (PropertySource<?> nested : source.getPropertySources()) {
 			processPropertySource(nested, resolver, includes, exacts);
 		}
 	}
 
-	private Collection<PropertySource<?>> extractSources(CompositePropertySource composite) {
-		Field field = ReflectionUtils.findField(CompositePropertySource.class,
-				"propertySources");
-		field.setAccessible(true);
-		try {
-			@SuppressWarnings("unchecked")
-			Collection<PropertySource<?>> collection = (Collection<PropertySource<?>>) field
-					.get(composite);
-			return collection;
-		}
-		catch (Exception ex) {
-			throw new IllegalStateException(
-					"Cannot extract property sources from composite", ex);
-		}
-	}
-
 	private void processDefaultPropertySource(PropertySource<?> source,
 			PropertySourcesPropertyResolver resolver,
 			PropertyNamePatternsMatcher includes, Collection<String> exacts) {