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 17 package android.support.v4.util; 18 19 /** 20 * Helper for accessing features in {@link android.util.DebugUtils} 21 * introduced after API level 4 in a backwards compatible fashion. 22 * 23 * @hide 24 */ 25 public class DebugUtils { 26 27 public static void buildShortClassTag(Object cls, StringBuilder out) { 28 if (cls == null) { 29 out.append("null"); 30 } else { 31 String simpleName = cls.getClass().getSimpleName(); 32 if (simpleName == null || simpleName.length() <= 0) { 33 simpleName = cls.getClass().getName(); 34 int end = simpleName.lastIndexOf('.'); 35 if (end > 0) { 36 simpleName = simpleName.substring(end+1); 37 } 38 } 39 out.append(simpleName); 40 out.append('{'); 41 out.append(Integer.toHexString(System.identityHashCode(cls))); 42 } 43 } 44 } 45