1 /* 2 * Copyright (C) 2018 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 android.server.am.component; 18 19 import static org.junit.Assert.assertEquals; 20 import static org.junit.Assert.assertFalse; 21 22 import android.content.ComponentName; 23 24 /** 25 * Base class for Components constants holding class. 26 * 27 * Every testing APK should have Components class in Java package that equals to package of APK. 28 * Those Components class should extends {@link ComponentsBase}. 29 */ 30 public class ComponentsBase { 31 32 /** 33 * Build {@link ComponentName} constant which belongs to {@code componentsClass}'s package. 34 * @param componentsClass Components class object which has the same package of APK. 35 * @param className simple class name (has no '.') or fully qualified class name. 36 * @return {@link ComponentName} object. 37 */ 38 protected static ComponentName component( 39 Class<? extends ComponentsBase> componentsClass, String className) { 40 assertFalse("className should not start with '.'", className.startsWith(".")); 41 final String packageName = getPackageName(componentsClass); 42 final boolean isSimpleClassName = className.indexOf('.') < 0; 43 final String fullClassName = isSimpleClassName ? packageName + "." + className : className; 44 return new ComponentName(packageName, fullClassName); 45 } 46 47 /** 48 * Get package name of {@code componentsClass}. 49 * @param componentsClass Components class object which has the same package of APK. 50 * @return package name of APK. 51 */ 52 protected static String getPackageName(Class<? extends ComponentsBase> componentsClass) { 53 assertEquals("Components", componentsClass.getSimpleName()); 54 return componentsClass.getPackage().getName(); 55 } 56 } 57