DebugUtils.java revision 0f4ca634bbc43ddff900c35f7d2a43b55d8c830d
1/* 2 * Copyright (C) 2011 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 17package androidx.core.util; 18 19import static androidx.annotation.RestrictTo.Scope.LIBRARY_GROUP; 20 21import androidx.annotation.RestrictTo; 22 23/** 24 * Helper for accessing features in {@link android.util.DebugUtils}. 25 * 26 * @hide 27 */ 28@RestrictTo(LIBRARY_GROUP) 29public class DebugUtils { 30 31 public static void buildShortClassTag(Object cls, StringBuilder out) { 32 if (cls == null) { 33 out.append("null"); 34 } else { 35 String simpleName = cls.getClass().getSimpleName(); 36 if (simpleName == null || simpleName.length() <= 0) { 37 simpleName = cls.getClass().getName(); 38 int end = simpleName.lastIndexOf('.'); 39 if (end > 0) { 40 simpleName = simpleName.substring(end+1); 41 } 42 } 43 out.append(simpleName); 44 out.append('{'); 45 out.append(Integer.toHexString(System.identityHashCode(cls))); 46 } 47 } 48 49 private DebugUtils() { 50 } 51} 52