1 files changed, 45 insertions, 0 deletions
diff --git a/java/com/android/contacts/common/extensions/PhoneDirectoryExtenderAccessor.java b/java/com/android/contacts/common/extensions/PhoneDirectoryExtenderAccessor.java
new file mode 100644
index 000000000..84649f1ed
--- /dev/null
+++ b/java/com/android/contacts/common/extensions/PhoneDirectoryExtenderAccessor.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.contacts.common.extensions;
+
+import android.content.Context;
+import android.support.annotation.NonNull;
+import com.android.dialer.common.Assert;
+
+/** Accessor for the phone directory extender singleton. */
+public final class PhoneDirectoryExtenderAccessor {
+
+  private static PhoneDirectoryExtender instance;
+
+  private PhoneDirectoryExtenderAccessor() {}
+
+  @NonNull
+  public static PhoneDirectoryExtender get(@NonNull Context context) {
+    Assert.isNotNull(context);
+    if (instance != null) {
+      return instance;
+    }
+
+    Context application = context.getApplicationContext();
+    if (application instanceof PhoneDirectoryExtenderFactory) {
+      instance = ((PhoneDirectoryExtenderFactory) application).newPhoneDirectoryExtender();
+    }
+
+    if (instance == null) {
+      instance = new PhoneDirectoryExtenderStub();
+    }
+    return instance;
+  }
+}