01 /*
02 * Java GPX Library (jpx-3.1.0).
03 * Copyright (c) 2016-2023 Franz Wilhelmstötter
04 *
05 * Licensed under the Apache License, Version 2.0 (the "License");
06 * you may not use this file except in compliance with the License.
07 * You may obtain a copy of the License at
08 *
09 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 *
17 * Author:
18 * Franz Wilhelmstötter (franz.wilhelmstoetter@gmail.com)
19 */
20 package io.jenetics.jpx.format;
21
22 import java.text.ParsePosition;
23 import java.util.Optional;
24
25 import io.jenetics.jpx.Latitude;
26
27 /**
28 * @author <a href="mailto:franz.wilhelmstoetter@gmail.com">Franz Wilhelmstötter</a>
29 *
30 * @version 2.2
31 * @since 1.4
32 */
33 enum LatitudeNS implements Format {
34
35 INSTANCE;
36
37 @Override
38 public Optional<String> format(final Location value) {
39 return value.latitude()
40 .map(Latitude::toDegrees)
41 .map(v -> Double.compare(v, 0.0) >= 0 ? "N" : "S");
42 }
43
44 @Override
45 public void parse(
46 final CharSequence in,
47 final ParsePosition pos,
48 final LocationBuilder builder
49 ) {
50 final int i = pos.getIndex();
51 switch (in.charAt(i)) {
52 case 'N' -> {
53 pos.setIndex(i + 1);
54 builder.setLatitudeSign(+1);
55 }
56 case 'S' -> {
57 pos.setIndex(i + 1);
58 builder.setLatitudeSign(-1);
59 }
60 default -> {
61 pos.setErrorIndex(i);
62 throw new ParseException("Not found N/S", in, i);
63 }
64 }
65 }
66
67 @Override
68 public String toPattern() {
69 return "X";
70 }
71
72 }
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