diff options
Diffstat (limited to 'java/com/android/dialer/common/ConfigProviderBindings.java')
-rw-r--r-- | java/com/android/dialer/common/ConfigProviderBindings.java | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/java/com/android/dialer/common/ConfigProviderBindings.java b/java/com/android/dialer/common/ConfigProviderBindings.java new file mode 100644 index 000000000..92e6cc3ff --- /dev/null +++ b/java/com/android/dialer/common/ConfigProviderBindings.java @@ -0,0 +1,68 @@ +/* + * 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.common; + +import android.content.Context; +import android.support.annotation.NonNull; +import android.support.annotation.Nullable; +import android.support.annotation.VisibleForTesting; + +/** Accessor for getting a {@link ConfigProvider}. */ +public class ConfigProviderBindings { + + private static ConfigProvider configProvider; + + public static ConfigProvider get(@NonNull Context context) { + Assert.isNotNull(context); + if (configProvider != null) { + return configProvider; + } + + Context application = context.getApplicationContext(); + if (application instanceof ConfigProviderFactory) { + configProvider = ((ConfigProviderFactory) application).getConfigProvider(); + } + + if (configProvider == null) { + configProvider = new ConfigProviderStub(); + } + + return configProvider; + } + + @VisibleForTesting + public static void setForTesting(@Nullable ConfigProvider configProviderForTesting) { + configProvider = configProviderForTesting; + } + + private static class ConfigProviderStub implements ConfigProvider { + @Override + public String getString(String key, String defaultValue) { + return defaultValue; + } + + @Override + public long getLong(String key, long defaultValue) { + return defaultValue; + } + + @Override + public boolean getBoolean(String key, boolean defaultValue) { + return defaultValue; + } + } +} |