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