diff options
Diffstat (limited to 'java/com/android/contacts/common/extensions/PhoneDirectoryExtenderAccessor.java')
-rw-r--r-- | java/com/android/contacts/common/extensions/PhoneDirectoryExtenderAccessor.java | 45 |
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; + } +} |