1 /* 2 * Copyright (C) 2015 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.messaging.util; 18 19 import com.android.messaging.Factory; 20 21 /** 22 * A thin wrapper for getting GServices value. During constructor time a one time background thread 23 * will cache all GServices key with the prefix of "bugle_". All get calls will wait for Gservices 24 * to finish caching the first time. In practice, the background thread will finish before any get 25 * request. 26 */ 27 public abstract class BugleGservices { 28 static final String BUGLE_GSERVICES_PREFIX = "bugle_"; 29 get()30 public static BugleGservices get() { 31 return Factory.get().getBugleGservices(); 32 } 33 registerForChanges(final Runnable r)34 public abstract void registerForChanges(final Runnable r); 35 36 /** 37 * @param key The key to look up in GServices 38 * @param defaultValue The default value if value in GServices is null or if 39 * NumberFormatException is caught. 40 * @return The corresponding value, or the default value. 41 */ getLong(final String key, final long defaultValue)42 public abstract long getLong(final String key, final long defaultValue); 43 44 /** 45 * @param key The key to look up in GServices 46 * @param defaultValue The default value if value in GServices is null or if 47 * NumberFormatException is caught. 48 * @return The corresponding value, or the default value. 49 */ getInt(final String key, final int defaultValue)50 public abstract int getInt(final String key, final int defaultValue); 51 52 /** 53 * @param key The key to look up in GServices 54 * @param defaultValue The default value if value in GServices is null. 55 * @return The corresponding value, or the default value. 56 */ getBoolean(final String key, final boolean defaultValue)57 public abstract boolean getBoolean(final String key, final boolean defaultValue); 58 59 /** 60 * @param key The key to look up in GServices 61 * @param defaultValue The default value if value in GServices is null. 62 * @return The corresponding value, or the default value. 63 */ getString(final String key, final String defaultValue)64 public abstract String getString(final String key, final String defaultValue); 65 66 /** 67 * @param key The key to look up in GServices 68 * @param defaultValue The default value if value in GServices is null. 69 * @return The corresponding value, or the default value. 70 */ getFloat(final String key, final float defaultValue)71 public abstract float getFloat(final String key, final float defaultValue); 72 } 73