1 files changed, 45 insertions, 0 deletions
diff --git a/java/com/android/dialer/app/voicemail/error/VoicemailErrorMessageCreator.java b/java/com/android/dialer/app/voicemail/error/VoicemailErrorMessageCreator.java
new file mode 100644
index 000000000..5ebef801d
--- /dev/null
+++ b/java/com/android/dialer/app/voicemail/error/VoicemailErrorMessageCreator.java
@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) 2016 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.android.dialer.app.voicemail.error;
+
+import android.content.Context;
+import android.os.Build.VERSION;
+import android.os.Build.VERSION_CODES;
+import android.support.annotation.Nullable;
+
+/**
+ * Given a VoicemailStatus, {@link VoicemailErrorMessageCreator#create(Context, VoicemailStatus)}
+ * will return a {@link VoicemailErrorMessage} representing the message to be shown to the user, or
+ * <code>null</code> if no message should be shown.
+ */
+public class VoicemailErrorMessageCreator {
+
+  @Nullable
+  public VoicemailErrorMessage create(
+      Context context, VoicemailStatus status, VoicemailStatusReader statusReader) {
+    // Never return error message before NMR1. Voicemail status is not supported on those.
+    if (VERSION.SDK_INT < VERSION_CODES.N_MR1) {
+      return null;
+    }
+    switch (status.type) {
+      case Vvm3VoicemailMessageCreator.VVM_TYPE_VVM3:
+        return Vvm3VoicemailMessageCreator.create(context, status, statusReader);
+      default:
+        return OmtpVoicemailMessageCreator.create(context, status);
+    }
+  }
+}