1/*
2 * Copyright (C) 2014 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 com.android.tv.settings.util;
18
19import android.net.Uri;
20
21import java.util.Comparator;
22
23class TransitionImageMatcher implements Comparator<TransitionImage> {
24
25    public TransitionImageMatcher() {
26    }
27
28    @Override
29    public int compare(TransitionImage lhs, TransitionImage rhs) {
30        Uri l = lhs == null ? null : lhs.getUri();
31        Uri r = rhs == null ? null : rhs.getUri();
32        if (l == null) {
33            return r == null ? 0 : -1;
34        }
35        if (r == null) {
36            return 1;
37        }
38        return l.compareTo(r);
39    }
40
41}
42