DATAREST-1397 - Adapt to CORS changes in AbstractHandlerMapping.

We now enable CORS handling for all requests by overriding the newly introduced hasCorsConfigurationSource method. We cannot detect CORS configuration handling solely on the handler but require path headers to resolve repository interface mappings.

spring-data-rest-webmvc/src/main/java/org/springframework/data/rest/webmvc/BasePathAwareHandlerMapping.java

@@ -112,6 +112,15 @@ public class BasePathAwareHandlerMapping extends RequestMappingHandlerMapping {
 		return super.lookupHandlerMethod(lookupPath, new CustomAcceptHeaderHttpServletRequest(request, mediaTypes));
 	}
 
+	/*
+	 * (non-Javadoc)
+	 * @see org.springframework.web.servlet.handler.AbstractHandlerMapping#hasCorsConfigurationSource(java.lang.Object)
+	 */
+	@Override
+	protected boolean hasCorsConfigurationSource(Object handler) {
+		return true;
+	}
+
 	/*
 	 * (non-Javadoc)
 	 * @see org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping#getMappingForMethod(java.lang.reflect.Method, java.lang.Class)

spring-data-rest-webmvc/src/main/java/org/springframework/data/rest/webmvc/RepositoryRestHandlerMapping.java

@@ -190,6 +190,15 @@ public class RepositoryRestHandlerMapping extends BasePathAwareHandlerMapping {
 		return AnnotationUtils.findAnnotation(type, RepositoryRestController.class) != null;
 	}
 
+	/*
+	 * (non-Javadoc)
+	 * @see org.springframework.web.servlet.handler.AbstractHandlerMapping#hasCorsConfigurationSource(java.lang.Object)
+	 */
+	@Override
+	protected boolean hasCorsConfigurationSource(Object handler) {
+		return true;
+	}
+
 	/*
 	 * (non-Javadoc)
 	 * @see org.springframework.web.servlet.handler.AbstractHandlerMapping#extendInterceptors(java.util.List)