| /* |
| * Copyright (C) 2019 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.server.testutils; |
| |
| import android.annotation.NonNull; |
| import android.provider.DeviceConfig; |
| import android.util.ArrayMap; |
| import android.util.Pair; |
| |
| import com.android.internal.util.Preconditions; |
| import com.android.server.utils.DeviceConfigInterface; |
| |
| import java.lang.reflect.Constructor; |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.concurrent.CountDownLatch; |
| import java.util.concurrent.Executor; |
| import java.util.concurrent.TimeUnit; |
| |
| public class FakeDeviceConfigInterface implements DeviceConfigInterface { |
| |
| private Map<String, String> mProperties = new HashMap<>(); |
| private ArrayMap<DeviceConfig.OnPropertiesChangedListener, Pair<String, Executor>> mListeners = |
| new ArrayMap<>(); |
| |
| public void clearProperties() { |
| mProperties.clear(); |
| } |
| |
| public void putProperty(String namespace, String key, String value) { |
| mProperties.put(createCompositeName(namespace, key), value); |
| } |
| |
| public void putPropertyAndNotify(String namespace, String key, String value) { |
| putProperty(namespace, key, value); |
| DeviceConfig.Properties properties = makeProperties(namespace, key, value); |
| CountDownLatch latch = new CountDownLatch(mListeners.size()); |
| for (int i = 0; i < mListeners.size(); i++) { |
| if (namespace.equals(mListeners.valueAt(i).first)) { |
| final int j = i; |
| mListeners.valueAt(i).second.execute( |
| () -> { |
| mListeners.keyAt(j).onPropertiesChanged(properties); |
| latch.countDown(); |
| }); |
| } else { |
| latch.countDown(); |
| } |
| } |
| boolean success; |
| try { |
| success = latch.await(10, TimeUnit.SECONDS); |
| } catch (InterruptedException e) { |
| success = false; |
| } |
| if (!success) { |
| throw new RuntimeException("Failed to notify all listeners in time."); |
| } |
| } |
| |
| private DeviceConfig.Properties makeProperties(String namespace, String key, String value) { |
| try { |
| final Constructor<DeviceConfig.Properties> ctor = |
| DeviceConfig.Properties.class.getDeclaredConstructor(String.class, Map.class); |
| ctor.setAccessible(true); |
| final HashMap<String, String> keyValueMap = new HashMap<>(); |
| keyValueMap.put(key, value); |
| return ctor.newInstance(namespace, keyValueMap); |
| } catch (ReflectiveOperationException e) { |
| throw new RuntimeException(e); |
| } |
| } |
| |
| @Override |
| public String getProperty(String namespace, String name) { |
| return mProperties.get(createCompositeName(namespace, name)); |
| } |
| |
| @Override |
| public String getString(String namespace, String name, String defaultValue) { |
| String value = getProperty(namespace, name); |
| return value != null ? value : defaultValue; |
| } |
| |
| @Override |
| public int getInt(String namespace, String name, int defaultValue) { |
| String value = getProperty(namespace, name); |
| if (value == null) { |
| return defaultValue; |
| } |
| try { |
| return Integer.parseInt(value); |
| } catch (NumberFormatException e) { |
| return defaultValue; |
| } |
| } |
| |
| @Override |
| public long getLong(String namespace, String name, long defaultValue) { |
| String value = getProperty(namespace, name); |
| if (value == null) { |
| return defaultValue; |
| } |
| try { |
| return Long.parseLong(value); |
| } catch (NumberFormatException e) { |
| return defaultValue; |
| } |
| } |
| |
| @Override |
| public float getFloat(String namespace, String name, float defaultValue) { |
| String value = getProperty(namespace, name); |
| if (value == null) { |
| return defaultValue; |
| } |
| try { |
| return Float.parseFloat(value); |
| } catch (NumberFormatException e) { |
| return defaultValue; |
| } |
| } |
| |
| @Override |
| public boolean getBoolean(String namespace, String name, boolean defaultValue) { |
| String value = getProperty(namespace, name); |
| return value != null ? Boolean.parseBoolean(value) : defaultValue; |
| } |
| |
| @Override |
| public void addOnPropertiesChangedListener(String namespace, Executor executor, |
| DeviceConfig.OnPropertiesChangedListener listener) { |
| Pair<String, Executor> oldNamespace = mListeners.get(listener); |
| if (oldNamespace == null) { |
| // Brand new listener, add it to the list. |
| mListeners.put(listener, new Pair<>(namespace, executor)); |
| } else if (namespace.equals(oldNamespace.first)) { |
| // Listener is already registered for this namespace, update executor just in case. |
| mListeners.put(listener, new Pair<>(namespace, executor)); |
| } else { |
| // DeviceConfig allows re-registering listeners for different namespaces, but that |
| // silently unregisters the prior namespace. This likely isn't something the caller |
| // intended. |
| throw new IllegalStateException("Listener " + listener + " already registered. This" |
| + "is technically allowed by DeviceConfig, but likely indicates a logic " |
| + "error."); |
| } |
| } |
| |
| @Override |
| public void removeOnPropertiesChangedListener( |
| DeviceConfig.OnPropertiesChangedListener listener) { |
| mListeners.remove(listener); |
| } |
| |
| private static String createCompositeName(@NonNull String namespace, @NonNull String name) { |
| Preconditions.checkNotNull(namespace); |
| Preconditions.checkNotNull(name); |
| return namespace + "/" + name; |
| } |
| } |