Add REST endpoint to get a cache

Change-Id: I09bfa7c052f2b8411b218c77683cda45a0afe844
Signed-off-by: Edwin Kempin <edwin.kempin@sap.com>

gerrit-server/src/main/java/com/google/gerrit/server/config/GetCache.java

@@ -0,0 +1,28 @@
+// Copyright (C) 2014 The Android Open Source Project
+//
+// 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 com.google.gerrit.server.config;
+
+import com.google.gerrit.extensions.restapi.RestReadView;
+import com.google.gerrit.server.config.ListCaches.CacheInfo;
+import com.google.inject.Singleton;
+
+@Singleton
+public class GetCache implements RestReadView<CacheResource> {
+
+  @Override
+  public CacheInfo apply(CacheResource rsrc) {
+    return new CacheInfo(rsrc.getName(), rsrc.getCache());
+  }
+}