Restructure /configprops output

/configprops output now contains the prefix from @ConfigurationProperties as wells as bean name and actual properties

fixes #267

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

@@ -16,13 +16,16 @@
 
 package org.springframework.boot.actuate.endpoint;
 
+import java.util.HashMap;
 import java.util.Map;
 
 import org.springframework.beans.BeansException;
 import org.springframework.boot.context.properties.ConfigurationProperties;
 import org.springframework.context.ApplicationContext;
 import org.springframework.context.ApplicationContextAware;
+import org.springframework.core.annotation.AnnotationUtils;
 import org.springframework.util.Assert;
+import org.springframework.util.StringUtils;
 
 import com.fasterxml.jackson.databind.ObjectMapper;
 
@@ -65,28 +68,40 @@ public class ConfigurationPropertiesReportEndpoint extends
 
 	@Override
 	public Map<String, Object> invoke() {
-		Map<String, Object> beans = extract(this.context);
-		return beans;
+		return extract(this.context);
 	}
 
 	@SuppressWarnings("unchecked")
 	private Map<String, Object> extract(ApplicationContext context) {
 
+		Map<String, Object> result = new HashMap<String, Object>();
 		Map<String, Object> beans = context
 				.getBeansWithAnnotation(ConfigurationProperties.class);
 
 		// Serialize beans into map structure and sanitize values
 		ObjectMapper mapper = new ObjectMapper();
 		for (Map.Entry<String, Object> entry : beans.entrySet()) {
-			Map<String, Object> value = mapper.convertValue(entry.getValue(), Map.class);
-			beans.put(entry.getKey(), sanitize(value));
+			String beanName = entry.getKey();
+			Object bean = entry.getValue();
+
+			Map<String, Object> root = new HashMap<String, Object>();
+			root.put("prefix", extractPrefix(bean));
+			root.put("properties", sanitize(mapper.convertValue(bean, Map.class)));
+			result.put(beanName, root);
 		}
 
 		if (context.getParent() != null) {
-			beans.put("parent", extract(context.getParent()));
+			result.put("parent", extract(context.getParent()));
+		}
+
+		return result;
 	}
 
-		return beans;
+	private String extractPrefix(Object bean) {
+		ConfigurationProperties annotation = AnnotationUtils.findAnnotation(
+				bean.getClass(), ConfigurationProperties.class);
+		return (StringUtils.hasLength(annotation.value()) ? annotation.value()
+				: annotation.name());
 	}
 
 	@SuppressWarnings("unchecked")

spring-boot-actuator/src/test/java/org/springframework/boot/actuate/endpoint/ConfigurationPropertiesReportEndpointTests.java

@@ -44,13 +44,24 @@ public class ConfigurationPropertiesReportEndpointTests extends
 
 	@Test
 	@SuppressWarnings("unchecked")
-	public void testDefaultKeySanitization() throws Exception {
+	public void testNaming() throws Exception {
 		ConfigurationPropertiesReportEndpoint report = getEndpointBean();
-		// report.setKeysToSanitize(new String[] {});
 		Map<String, Object> properties = report.invoke();
 		Map<String, Object> nestedProperties = (Map<String, Object>) properties
 				.get("testProperties");
 		assertNotNull(nestedProperties);
+		assertEquals("test", nestedProperties.get("prefix"));
+		assertNotNull(nestedProperties.get("properties"));
+	}
+
+	@Test
+	@SuppressWarnings("unchecked")
+	public void testDefaultKeySanitization() throws Exception {
+		ConfigurationPropertiesReportEndpoint report = getEndpointBean();
+		Map<String, Object> properties = report.invoke();
+		Map<String, Object> nestedProperties = (Map<String, Object>) ((Map<String, Object>) properties
+				.get("testProperties")).get("properties");
+		assertNotNull(nestedProperties);
 		assertEquals("******", nestedProperties.get("dbPassword"));
 		assertEquals("654321", nestedProperties.get("myTestProperty"));
 	}
@@ -61,8 +72,8 @@ public class ConfigurationPropertiesReportEndpointTests extends
 		ConfigurationPropertiesReportEndpoint report = getEndpointBean();
 		report.setKeysToSanitize(new String[] { "property" });
 		Map<String, Object> properties = report.invoke();
-		Map<String, Object> nestedProperties = (Map<String, Object>) properties
-				.get("testProperties");
+		Map<String, Object> nestedProperties = (Map<String, Object>) ((Map<String, Object>) properties
+				.get("testProperties")).get("properties");
 		assertNotNull(nestedProperties);
 		assertEquals("123456", nestedProperties.get("dbPassword"));
 		assertEquals("******", nestedProperties.get("myTestProperty"));