1 /*
2 * #%L
3 * wcm.io
4 * %%
5 * Copyright (C) 2017 wcm.io
6 * %%
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 * #L%
19 */
20 package io.wcm.qa.glnm.differences.generic;
21
22 import java.util.Comparator;
23
24 import io.wcm.qa.glnm.differences.base.Difference;
25
26 /**
27 * Sort differences by their name.
28 *
29 * @since 1.0.0
30 */
31 public class DifferenceNameComparator implements Comparator<Difference> {
32
33 /** {@inheritDoc} */
34 @Override
35 public int compare(Difference arg0, Difference arg1) {
36
37 if (arg0 == null && arg1 == null || arg0 == arg1) {
38 return 0;
39 }
40 if (arg0 == null) {
41 return -1;
42 }
43 if (arg1 == null) {
44 return 1;
45 }
46
47 String name0 = arg0.getName();
48 String name1 = arg1.getName();
49
50 return name0.compareTo(name1);
51 }
52
53 }