Polish

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

@@ -17,6 +17,7 @@
 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;
@@ -99,19 +100,9 @@ public class EnvironmentEndpoint extends AbstractEndpoint<Map<String, Object>> i
 	private void extract(String root, Map<String, PropertySource<?>> map,
 			PropertySource<?> source) {
 		if (source instanceof CompositePropertySource) {
-			try {
-				Field field = ReflectionUtils.findField(CompositePropertySource.class,
-						"propertySources");
-				field.setAccessible(true);
-				@SuppressWarnings("unchecked")
-				Set<PropertySource<?>> nested = (Set<PropertySource<?>>) field
-						.get(source);
-				for (PropertySource<?> nest : nested) {
-					extract(source.getName() + ":", map, nest);
-				}
-			}
-			catch (Exception e) {
-				// ignore
+			Set<PropertySource<?>> nested = getNestedPropertySources((CompositePropertySource) source);
+			for (PropertySource<?> nest : nested) {
+				extract(source.getName() + ":", map, nest);
 			}
 		}
 		else {
@@ -119,6 +110,19 @@ 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) {
 		for (String keyToSanitize : this.keysToSanitize) {
 			if (name.toLowerCase().endsWith(keyToSanitize)) {

spring-boot-actuator/src/test/java/org/springframework/boot/actuate/autoconfigure/EndpointMvcIntegrationTests.java

 /*
- * Copyright 2012-2013 the original author or authors.
+ * Copyright 2012-2014 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.
@@ -28,6 +28,7 @@ import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.boot.actuate.autoconfigure.EndpointMvcIntegrationTests.Application;
+import org.springframework.boot.actuate.endpoint.Endpoint;
 import org.springframework.boot.autoconfigure.PropertyPlaceholderAutoConfiguration;
 import org.springframework.boot.autoconfigure.web.DispatcherServletAutoConfiguration;
 import org.springframework.boot.autoconfigure.web.EmbeddedServletContainerAutoConfiguration;
@@ -51,6 +52,8 @@ import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertTrue;
 
 /**
+ * Integration tests for MVC {@link Endpoint}s.
+ * 
  * @author Dave Syer
  */
 @RunWith(SpringJUnit4ClassRunner.class)