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 com.android.internal.util.dump; 18 19 import android.annotation.NonNull; 20 import android.annotation.Nullable; 21 import android.content.ComponentName; 22 import android.content.ComponentNameProto; 23 24 public class DumpUtils { 25 /** 26 * Write a string to a proto if the string is not {@code null}. 27 * 28 * @param proto The proto to write to 29 * @param idName Clear text name of the proto-id 30 * @param id The proto-id of the string 31 * @param string The string to write 32 */ 33 public static void writeStringIfNotNull(@NonNull DualDumpOutputStream proto, String idName, 34 long id, @Nullable String string) { 35 if (string != null) { 36 proto.write(idName, id, string); 37 } 38 } 39 40 /** 41 * Write a {@link ComponentName} to a proto. 42 * 43 * @param proto The proto to write to 44 * @param idName Clear text name of the proto-id 45 * @param id The proto-id of the component name 46 * @param component The component name to write 47 */ 48 public static void writeComponentName(@NonNull DualDumpOutputStream proto, String idName, 49 long id, @NonNull ComponentName component) { 50 long token = proto.start(idName, id); 51 proto.write("package_name", ComponentNameProto.PACKAGE_NAME, component.getPackageName()); 52 proto.write("class_name", ComponentNameProto.CLASS_NAME, component.getClassName()); 53 proto.end(token); 54 } 55 } 56
