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 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 */
25public 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