1 /*
2  * Copyright (C) 2010 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 com.android.cts.apicoverage;
18 
19 import java.util.Comparator;
20 
21 interface HasCoverage {
getCoveragePercentage()22     float getCoveragePercentage();
getMemberSize()23     int getMemberSize();
getName()24     String getName();
25 }
26 
27 class CoverageComparator implements Comparator<HasCoverage> {
compare(HasCoverage entity, HasCoverage otherEntity)28     public int compare(HasCoverage entity, HasCoverage otherEntity) {
29         int lhsPct = Math.round(entity.getCoveragePercentage());
30         int rhsPct = Math.round(otherEntity.getCoveragePercentage());
31         int diff = Integer.compare(getCoveragePercentageSegment(lhsPct),
32                 getCoveragePercentageSegment(rhsPct));
33         if (diff != 0) {
34             return diff;
35         }
36         diff = Integer.compare(otherEntity.getMemberSize(), entity.getMemberSize());
37         if (diff != 0) {
38             return diff;
39         }
40         return entity.getName().compareTo(otherEntity.getName());
41     }
42 
43     /**
44      * Distill coverage percentage down to 3 major segments
45      * @param coveragePercentage
46      * @return
47      */
getCoveragePercentageSegment(int coveragePercentage)48     private int getCoveragePercentageSegment(int coveragePercentage) {
49         // note that this segmentation logic is duplicated in api-coverage.xsl
50         if (coveragePercentage <= 50) {
51             return 0;
52         } else if (coveragePercentage <= 80) {
53             return 1;
54         } else {
55             return 2;
56         }
57     }
58 }
59