| 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.v2.util; |
| 18 | |
| 19 | /** |
| 20 | * Useful debugging utilities that are not available on all versions of Android. |
| 21 | */ |
| 22 | public class DebugUtils { |
| 23 | public static void buildShortClassTag(Object cls, StringBuilder out) { |
| 24 | if (cls == null) { |
| 25 | out.append("null"); |
| 26 | } else { |
| 27 | String simpleName = cls.getClass().getSimpleName(); |
| 28 | if (simpleName == null || simpleName.length() <= 0) { |
| 29 | simpleName = cls.getClass().getName(); |
| 30 | int end = simpleName.lastIndexOf('.'); |
| 31 | if (end > 0) { |
| 32 | simpleName = simpleName.substring(end+1); |
| 33 | } |
| 34 | } |
| 35 | out.append(simpleName); |
| 36 | out.append('{'); |
| 37 | out.append(Integer.toHexString(System.identityHashCode(cls))); |
| 38 | } |
| 39 | } |
| 40 | } |