Import code from internal repository to git

java/com/google/domain/registry/util/SendEmailService.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.util;
+
+import java.util.Properties;
+
+import javax.mail.Message;
+import javax.mail.MessagingException;
+import javax.mail.Session;
+import javax.mail.Transport;
+import javax.mail.internet.MimeMessage;
+
+/** Wrapper around javax.mail's Transport.send that can be mocked for testing purposes. */
+public class SendEmailService {
+
+  /** Returns a new MimeMessage using default App Engine transport settings. */
+  public Message createMessage() {
+    return new MimeMessage(Session.getDefaultInstance(new Properties(), null));
+  }
+
+  /** Sends a message using default App Engine transport. */
+  public void sendMessage(Message msg) throws MessagingException {
+    Transport.send(msg);
+  }
+}