Rename Patches to Files and PatchResource to FileResource.

Change-Id: I682f68631a0b00f8180d792373ada05ccb833824

gerrit-server/src/main/java/com/google/gerrit/server/change/Files.java

@@ -0,0 +1,49 @@
+// Copyright (C) 2013 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.change;
+
+import com.google.gerrit.extensions.registration.DynamicMap;
+import com.google.gerrit.extensions.restapi.AuthException;
+import com.google.gerrit.extensions.restapi.ChildCollection;
+import com.google.gerrit.extensions.restapi.IdString;
+import com.google.gerrit.extensions.restapi.ResourceNotFoundException;
+import com.google.gerrit.extensions.restapi.RestView;
+import com.google.gwtorm.server.OrmException;
+import com.google.inject.Inject;
+
+class Files implements ChildCollection<RevisionResource, FileResource> {
+  private final DynamicMap<RestView<FileResource>> views;
+
+  @Inject
+  Files(DynamicMap<RestView<FileResource>> views) {
+    this.views = views;
+  }
+
+  @Override
+  public DynamicMap<RestView<FileResource>> views() {
+    return views;
+  }
+
+  @Override
+  public RestView<RevisionResource> list() throws AuthException {
+    throw new UnsupportedOperationException();
+  }
+
+  @Override
+  public FileResource parse(RevisionResource rev, IdString id)
+      throws ResourceNotFoundException, OrmException, AuthException {
+    return new FileResource(rev, id.get());
+  }
+}