#72 - Improved mapping discovery in AnnotationMappingDiscoverer.

AnnotationMappingDiscoverer now returns a polished mapping in case the type mapping consists of a plain slash only.

src/main/java/org/springframework/hateoas/core/AnnotationMappingDiscoverer.java

@@ -93,7 +93,7 @@ public class AnnotationMappingDiscoverer implements MappingDiscoverer {
 			return typeMapping;
 		}
 
-		return typeMapping == null ? mapping[0] : typeMapping + mapping[0];
+		return typeMapping == null || "/".equals(typeMapping) ? mapping[0] : typeMapping + mapping[0];
 	}
 
 	private String[] getMappingFrom(Annotation annotation) {

src/test/java/org/springframework/hateoas/core/AnnotationMappingDiscovererUnitTest.java

@@ -60,6 +60,13 @@ public class AnnotationMappingDiscovererUnitTest {
 		assertThat(discoverer.getMapping(method), is("/method"));
 	}
 
+	@Test
+	public void resolvesMethodLevelMappingWithSlashRootMapping() throws Exception {
+
+		Method method = SlashRootMapping.class.getMethod("method");
+		assertThat(discoverer.getMapping(method), is("/method"));
+	}
+
 	/**
 	 * @see #46
 	 */
@@ -85,4 +92,11 @@ public class AnnotationMappingDiscovererUnitTest {
 		@RequestMapping("/method")
 		void method();
 	}
+
+	@RequestMapping("/")
+	interface SlashRootMapping {
+
+		@RequestMapping("/method")
+		void method();
+	}
 }