1 files changed, 120 insertions, 0 deletions
diff --git a/java/com/android/voicemail/impl/sms/OmtpStandardMessageSender.java b/java/com/android/voicemail/impl/sms/OmtpStandardMessageSender.java
new file mode 100644
index 000000000..7974699a0
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+++ b/java/com/android/voicemail/impl/sms/OmtpStandardMessageSender.java
@@ -0,0 +1,120 @@
+/*
+ * Copyright (C) 2015 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.android.voicemail.impl.sms;
+
+import android.app.PendingIntent;
+import android.content.Context;
+import android.support.annotation.Nullable;
+import android.telecom.PhoneAccountHandle;
+import android.text.TextUtils;
+import com.android.voicemail.impl.OmtpConstants;
+
+/** A implementation of the OmtpMessageSender using the standard OMTP sms protocol. */
+public class OmtpStandardMessageSender extends OmtpMessageSender {
+  private final String mClientType;
+  private final String mProtocolVersion;
+  private final String mClientPrefix;
+
+  /**
+   * Creates a new instance of OmtpStandardMessageSender.
+   *
+   * @param applicationPort If set to a value > 0 then a binary sms is sent to this port number.
+   *     Otherwise, a standard text SMS is sent.
+   * @param destinationNumber Destination number to be used.
+   * @param clientType The "ct" field to be set in the MO message. This is the value used by the VVM
+   *     server to identify the client. Certain VVM servers require a specific agreed value for this
+   *     field.
+   * @param protocolVersion OMTP protocol version.
+   * @param clientPrefix The client prefix requested to be used by the server in its MT messages.
+   */
+  public OmtpStandardMessageSender(
+      Context context,
+      PhoneAccountHandle phoneAccountHandle,
+      short applicationPort,
+      String destinationNumber,
+      String clientType,
+      String protocolVersion,
+      String clientPrefix) {
+    super(context, phoneAccountHandle, applicationPort, destinationNumber);
+    mClientType = clientType;
+    mProtocolVersion = protocolVersion;
+    mClientPrefix = clientPrefix;
+  }
+
+  // Activate message:
+  // V1.1: Activate:pv=<value>;ct=<value>
+  // V1.2: Activate:pv=<value>;ct=<value>;pt=<value>;<Clientprefix>
+  // V1.3: Activate:pv=<value>;ct=<value>;pt=<value>;<Clientprefix>
+  @Override
+  public void requestVvmActivation(@Nullable PendingIntent sentIntent) {
+    StringBuilder sb = new StringBuilder().append(OmtpConstants.ACTIVATE_REQUEST);
+
+    appendProtocolVersionAndClientType(sb);
+    if (TextUtils.equals(mProtocolVersion, OmtpConstants.PROTOCOL_VERSION1_2)
+        || TextUtils.equals(mProtocolVersion, OmtpConstants.PROTOCOL_VERSION1_3)) {
+      appendApplicationPort(sb);
+      appendClientPrefix(sb);
+    }
+
+    sendSms(sb.toString(), sentIntent);
+  }
+
+  // Deactivate message:
+  // V1.1: Deactivate:pv=<value>;ct=<string>
+  // V1.2: Deactivate:pv=<value>;ct=<string>
+  // V1.3: Deactivate:pv=<value>;ct=<string>
+  @Override
+  public void requestVvmDeactivation(@Nullable PendingIntent sentIntent) {
+    StringBuilder sb = new StringBuilder().append(OmtpConstants.DEACTIVATE_REQUEST);
+    appendProtocolVersionAndClientType(sb);
+
+    sendSms(sb.toString(), sentIntent);
+  }
+
+  // Status message:
+  // V1.1: STATUS
+  // V1.2: STATUS
+  // V1.3: STATUS:pv=<value>;ct=<value>;pt=<value>;<Clientprefix>
+  @Override
+  public void requestVvmStatus(@Nullable PendingIntent sentIntent) {
+    StringBuilder sb = new StringBuilder().append(OmtpConstants.STATUS_REQUEST);
+
+    if (TextUtils.equals(mProtocolVersion, OmtpConstants.PROTOCOL_VERSION1_3)) {
+      appendProtocolVersionAndClientType(sb);
+      appendApplicationPort(sb);
+      appendClientPrefix(sb);
+    }
+
+    sendSms(sb.toString(), sentIntent);
+  }
+
+  private void appendProtocolVersionAndClientType(StringBuilder sb) {
+    sb.append(OmtpConstants.SMS_PREFIX_SEPARATOR);
+    appendField(sb, OmtpConstants.PROTOCOL_VERSION, mProtocolVersion);
+    sb.append(OmtpConstants.SMS_FIELD_SEPARATOR);
+    appendField(sb, OmtpConstants.CLIENT_TYPE, mClientType);
+  }
+
+  private void appendApplicationPort(StringBuilder sb) {
+    sb.append(OmtpConstants.SMS_FIELD_SEPARATOR);
+    appendField(sb, OmtpConstants.APPLICATION_PORT, mApplicationPort);
+  }
+
+  private void appendClientPrefix(StringBuilder sb) {
+    sb.append(OmtpConstants.SMS_FIELD_SEPARATOR);
+    sb.append(mClientPrefix);
+  }
+}