DATAREST-469 - Added dedicated resource type for search links.

RepositorySearchController now returns a RepositorySearchesResources so that users can implement a custom ResourceProcessor to augment the list of links exposed for Spring Data repository query methods.

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

@@ -134,7 +134,7 @@ class RepositorySearchController extends AbstractRepositoryRestController {
 	 */
 	@ResponseBody
 	@RequestMapping(value = BASE_MAPPING, method = RequestMethod.GET)
-	public ResourceSupport listSearches(RootResourceInformation resourceInformation) {
+	public RepositorySearchesResource listSearches(RootResourceInformation resourceInformation) {
 
 		verifySearchesExposed(resourceInformation);
 
@@ -144,7 +144,7 @@ class RepositorySearchController extends AbstractRepositoryRestController {
 			throw new ResourceNotFoundException();
 		}
 
-		ResourceSupport result = new ResourceSupport();
+		RepositorySearchesResource result = new RepositorySearchesResource();
 		result.add(queryMethodLinks);
 
 		return result;

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

@@ -0,0 +1,27 @@
+/*
+ * Copyright 2015 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.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.springframework.data.rest.webmvc;
+
+import org.springframework.hateoas.ResourceProcessor;
+import org.springframework.hateoas.ResourceSupport;
+
+/**
+ * A custom {@link ResourceSupport} type to be able to write custom {@link ResourceProcessor}s to add additional links
+ * to ones automatically exposed for Spring Data repository query methods.
+ * 
+ * @author Oliver Gierke
+ */
+public class RepositorySearchesResource extends ResourceSupport {}