Import code from internal repository to git

java/com/google/domain/registry/groups/DirectoryModule.java

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+// Copyright 2016 Google Inc. All Rights Reserved.
+//
+// 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.domain.registry.groups;
+
+import static dagger.Provides.Type.SET_VALUES;
+
+import com.google.api.client.googleapis.auth.oauth2.GoogleCredential;
+import com.google.api.services.admin.directory.Directory;
+import com.google.api.services.admin.directory.DirectoryScopes;
+import com.google.common.collect.ImmutableSet;
+import com.google.domain.registry.config.ConfigModule.Config;
+import com.google.domain.registry.request.DelegatedOAuthScopes;
+
+import dagger.Module;
+import dagger.Provides;
+
+import java.util.Set;
+
+import javax.inject.Named;
+
+/**
+ * Dagger module for the Google {@link Directory} service.
+ *
+ * @see com.google.domain.registry.config.ConfigModule
+ * @see com.google.domain.registry.request.Modules.UrlFetchTransportModule
+ * @see com.google.domain.registry.request.Modules.Jackson2Module
+ * @see com.google.domain.registry.request.Modules.AppIdentityCredentialModule
+ * @see com.google.domain.registry.request.Modules.UseAppIdentityCredentialForGoogleApisModule
+ */
+@Module
+public final class DirectoryModule {
+
+  /** Provides OAuth2 scopes for the Directory service needed by Domain Registry. */
+  @Provides(type = SET_VALUES)
+  @DelegatedOAuthScopes
+  static Set<String> provideDirectoryOAuthScopes() {
+    return ImmutableSet.of(
+        DirectoryScopes.ADMIN_DIRECTORY_GROUP_MEMBER,
+        DirectoryScopes.ADMIN_DIRECTORY_GROUP);
+  }
+
+  @Provides
+  static Directory provideDirectory(
+      @Named("delegatedAdmin") GoogleCredential credential,
+      @Config("projectId") String projectId) {
+    return new Directory.Builder(credential.getTransport(), credential.getJsonFactory(), credential)
+        .setApplicationName(projectId)
+        .build();
+  }
+}