Class | Line # | Actions | |||
---|---|---|---|---|---|
JSONUtils | 29 | 12 | 8 |
1 | /* | |
2 | * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$) | |
3 | * Copyright (C) $$Year-Rel$$ The Jalview Authors | |
4 | * | |
5 | * This file is part of Jalview. | |
6 | * | |
7 | * Jalview is free software: you can redistribute it and/or | |
8 | * modify it under the terms of the GNU General Public License | |
9 | * as published by the Free Software Foundation, either version 3 | |
10 | * of the License, or (at your option) any later version. | |
11 | * | |
12 | * Jalview is distributed in the hope that it will be useful, but | |
13 | * WITHOUT ANY WARRANTY; without even the implied warranty | |
14 | * of MERCHANTABILITY or FITNESS FOR A PARTICULAR | |
15 | * PURPOSE. See the GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with Jalview. If not, see <http://www.gnu.org/licenses/>. | |
19 | * The Jalview Authors are detailed in the 'AUTHORS' file. | |
20 | */ | |
21 | package jalview.util; | |
22 | ||
23 | import java.io.IOException; | |
24 | import java.io.Reader; | |
25 | import java.util.List; | |
26 | ||
27 | import org.json.simple.parser.ParseException; | |
28 | ||
29 | public class JSONUtils | |
30 | { | |
31 | ||
32 | /** | |
33 | * Converts a JSONArray of values to a string as a comma-separated list. | |
34 | * Answers null if the array is null or empty. | |
35 | * | |
36 | * @param jsonArray | |
37 | * @return | |
38 | */ | |
39 | 0 | public static String arrayToStringList(List<Object> jsonArray) |
40 | { | |
41 | 0 | int n; |
42 | ||
43 | 0 | if (jsonArray == null || (n = jsonArray.size()) == 0) |
44 | { | |
45 | 0 | return null; |
46 | } | |
47 | ||
48 | /** | |
49 | * BH TODO to Platform? | |
50 | * | |
51 | * @j2sNative | |
52 | * | |
53 | * return jsonArray.elementData.slice(0, n).join(","); | |
54 | */ | |
55 | { | |
56 | 0 | StringBuilder sb = new StringBuilder(); |
57 | 0 | for (int i = 0; i < n; i++) |
58 | { | |
59 | 0 | if (i > 0) |
60 | { | |
61 | 0 | sb.append(","); |
62 | } | |
63 | 0 | sb.append(jsonArray.get(i).toString()); |
64 | } | |
65 | 0 | return sb.toString(); |
66 | } | |
67 | } | |
68 | ||
69 | /** | |
70 | * The method all JSON parsing must go through for JavaScript. | |
71 | * | |
72 | * @param r | |
73 | * a BufferedReader or a javascript.json.JSON.JSONReader | |
74 | * @return | |
75 | * @throws IOException | |
76 | * @throws ParseException | |
77 | */ | |
78 | 0 | public static Object parse(Reader r) throws IOException, ParseException |
79 | { | |
80 | 0 | return Platform.parseJSON(r); |
81 | } | |
82 | ||
83 | 0 | public static Object parse(String json) throws ParseException |
84 | { | |
85 | 0 | return Platform.parseJSON(json); |
86 | } | |
87 | ||
88 | 0 | public static String stringify(Object obj) |
89 | { | |
90 | 0 | return new org.json.JSONObject(obj).toString(); |
91 | } | |
92 | ||
93 | } |