Import code from internal repository to git

java/com/google/domain/registry/export/ExportRequestModule.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.export;
+
+import static com.google.domain.registry.export.BigqueryPollJobAction.CHAINED_TASK_QUEUE_HEADER;
+import static com.google.domain.registry.export.BigqueryPollJobAction.JOB_ID_HEADER;
+import static com.google.domain.registry.export.BigqueryPollJobAction.PROJECT_ID_HEADER;
+import static com.google.domain.registry.request.RequestParameters.extractRequiredHeader;
+
+import com.google.domain.registry.request.Header;
+
+import dagger.Module;
+import dagger.Provides;
+
+import javax.servlet.http.HttpServletRequest;
+
+/** Dagger module for data export tasks. */
+@Module
+public final class ExportRequestModule {
+  @Provides
+  @Header(CHAINED_TASK_QUEUE_HEADER)
+  static String provideChainedTaskQueue(HttpServletRequest req) {
+    return extractRequiredHeader(req, CHAINED_TASK_QUEUE_HEADER);
+  }
+
+  @Provides
+  @Header(JOB_ID_HEADER)
+  static String provideJobId(HttpServletRequest req) {
+    return extractRequiredHeader(req, JOB_ID_HEADER);
+  }
+
+  @Provides
+  @Header(PROJECT_ID_HEADER)
+  static String provideProjectId(HttpServletRequest req) {
+    return extractRequiredHeader(req, PROJECT_ID_HEADER);
+  }
+}