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1 | package be.nikiroo.fanfix.data; |
2 | ||
3 | import java.util.ArrayList; | |
4 | import java.util.List; | |
5 | ||
6 | import org.json.JSONArray; | |
7 | import org.json.JSONException; | |
8 | import org.json.JSONObject; | |
9 | ||
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10 | import be.nikiroo.fanfix.data.Paragraph.ParagraphType; |
11 | ||
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12 | public class JsonIO { |
13 | static public JSONObject toJson(MetaData meta) { | |
14 | if (meta == null) { | |
15 | return null; | |
16 | } | |
17 | ||
18 | JSONObject json = new JSONObject(); | |
19 | put(json, "", MetaData.class.getName()); | |
20 | put(json, "luid", meta.getLuid()); | |
21 | put(json, "title", meta.getTitle()); | |
22 | put(json, "author", meta.getAuthor()); | |
23 | put(json, "source", meta.getSource()); | |
24 | put(json, "url", meta.getUrl()); | |
25 | put(json, "words", meta.getWords()); | |
26 | put(json, "creation_date", meta.getCreationDate()); | |
27 | put(json, "date", meta.getDate()); | |
28 | put(json, "lang", meta.getLang()); | |
29 | put(json, "publisher", meta.getPublisher()); | |
30 | put(json, "subject", meta.getSubject()); | |
31 | put(json, "type", meta.getType()); | |
32 | put(json, "uuid", meta.getUuid()); | |
33 | put(json, "resume", toJson(meta.getResume())); | |
34 | put(json, "tags", new JSONArray(meta.getTags())); | |
35 | ||
36 | return json; | |
37 | } | |
38 | ||
39 | /** | |
4b3d19dc | 40 | * // no image |
f433d153 NR |
41 | * |
42 | * @param json | |
43 | * | |
44 | * @return | |
45 | * | |
46 | * @throws JSONException | |
47 | * when it cannot be converted | |
48 | */ | |
49 | static public MetaData toMetaData(JSONObject json) { | |
50 | if (json == null) { | |
51 | return null; | |
52 | } | |
53 | ||
54 | MetaData meta = new MetaData(); | |
55 | meta.setLuid(getString(json, "luid")); | |
56 | meta.setTitle(getString(json, "title")); | |
57 | meta.setAuthor(getString(json, "author")); | |
58 | meta.setSource(getString(json, "source")); | |
59 | meta.setUrl(getString(json, "url")); | |
60 | meta.setWords(getLong(json, "words", 0)); | |
61 | meta.setCreationDate(getString(json, "creation_date")); | |
62 | meta.setDate(getString(json, "date")); | |
63 | meta.setLang(getString(json, "lang")); | |
64 | meta.setPublisher(getString(json, "publisher")); | |
65 | meta.setSubject(getString(json, "subject")); | |
66 | meta.setType(getString(json, "type")); | |
67 | meta.setUuid(getString(json, "uuid")); | |
68 | ||
69 | meta.setResume(toChapter(getJson(json, "resume"))); | |
70 | meta.setTags(toListString(getJsonArr(json, "tags"))); | |
71 | ||
72 | return meta; | |
73 | } | |
74 | ||
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75 | static public JSONObject toJson(Story story) { |
76 | if (story == null) { | |
77 | return null; | |
78 | } | |
79 | ||
80 | JSONObject json = new JSONObject(); | |
81 | put(json, "", Story.class.getName()); | |
82 | put(json, "meta", toJson(story.getMeta())); | |
83 | ||
84 | List<JSONObject> chapters = new ArrayList<JSONObject>(); | |
85 | for (Chapter chap : story) { | |
86 | chapters.add(toJson(chap)); | |
87 | } | |
88 | put(json, "chapters", new JSONArray(chapters)); | |
89 | ||
90 | return json; | |
91 | } | |
92 | ||
93 | /** | |
94 | * | |
95 | * @param json | |
96 | * | |
97 | * @return | |
98 | * | |
99 | * @throws JSONException | |
100 | * when it cannot be converted | |
101 | */ | |
102 | static public Story toStory(JSONObject json) { | |
103 | if (json == null) { | |
104 | return null; | |
105 | } | |
106 | ||
107 | Story story = new Story(); | |
108 | story.setMeta(toMetaData(getJson(json,"meta"))); | |
109 | story.setChapters(toListChapter(getJsonArr(json, "chapters"))); | |
110 | ||
111 | return story; | |
112 | } | |
113 | ||
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114 | static public JSONObject toJson(Chapter chap) { |
115 | if (chap == null) { | |
116 | return null; | |
117 | } | |
118 | ||
119 | JSONObject json = new JSONObject(); | |
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120 | put(json, "", Chapter.class.getName()); |
121 | put(json, "name", chap.getName()); | |
122 | put(json, "number", chap.getNumber()); | |
123 | put(json, "words", chap.getWords()); | |
f433d153 | 124 | |
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125 | List<JSONObject> paragraphs = new ArrayList<JSONObject>(); |
126 | for (Paragraph para : chap) { | |
127 | paragraphs.add(toJson(para)); | |
128 | } | |
129 | put(json, "paragraphs", new JSONArray(paragraphs)); | |
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130 | |
131 | return json; | |
132 | } | |
133 | ||
134 | /** | |
135 | * | |
136 | * @param json | |
137 | * | |
138 | * @return | |
139 | * | |
140 | * @throws JSONException | |
141 | * when it cannot be converted | |
142 | */ | |
143 | static public Chapter toChapter(JSONObject json) { | |
144 | if (json == null) { | |
145 | return null; | |
146 | } | |
147 | ||
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148 | Chapter chap = new Chapter(getInt(json, "number", 0), |
149 | getString(json, "name")); | |
150 | chap.setWords(getLong(json, "words", 0)); | |
151 | chap.setParagraphs(toListParagraph(getJsonArr(json, "paragraphs"))); | |
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152 | |
153 | return chap; | |
154 | } | |
155 | ||
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156 | // no images |
157 | static public JSONObject toJson(Paragraph para) { | |
158 | if (para == null) { | |
159 | return null; | |
160 | } | |
161 | ||
162 | JSONObject json = new JSONObject(); | |
163 | put(json, "", Paragraph.class.getName()); | |
164 | put(json, "type", para.getType()); | |
165 | put(json, "content", para.getContent()); | |
166 | put(json, "words", para.getWords()); | |
167 | ||
168 | return json; | |
169 | } | |
170 | ||
171 | /** | |
172 | * // no images | |
173 | * | |
174 | * @param json | |
175 | * | |
176 | * @return | |
177 | * | |
178 | * @throws JSONException | |
179 | * when it cannot be converted | |
180 | */ | |
181 | static public Paragraph toParagraph(JSONObject json) { | |
182 | if (json == null) { | |
183 | return null; | |
184 | } | |
185 | ||
186 | Paragraph para = new Paragraph( | |
187 | ParagraphType.valueOf(getString(json, "type")), | |
188 | getString(json, "content"), getLong(json, "words", 0)); | |
189 | ||
190 | return para; | |
191 | } | |
192 | ||
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193 | static public List<String> toListString(JSONArray array) { |
194 | if (array != null) { | |
195 | List<String> values = new ArrayList<String>(); | |
196 | for (Object value : array.toList()) { | |
197 | values.add(value == null ? null : value.toString()); | |
198 | } | |
199 | return values; | |
200 | } | |
201 | ||
202 | return null; | |
203 | } | |
204 | ||
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205 | static public List<Paragraph> toListParagraph(JSONArray array) { |
206 | if (array != null) { | |
207 | List<Paragraph> values = new ArrayList<Paragraph>(); | |
208 | for (Object value : array.toList()) { | |
209 | values.add( | |
210 | value instanceof Paragraph ? (Paragraph) value : null); | |
211 | } | |
212 | return values; | |
213 | } | |
214 | ||
215 | return null; | |
216 | } | |
217 | ||
218 | private static List<Chapter> toListChapter(JSONArray array) { | |
219 | if (array != null) { | |
220 | List<Chapter> values = new ArrayList<Chapter>(); | |
221 | for (Object value : array.toList()) { | |
222 | values.add(value instanceof Chapter ? (Chapter) value : null); | |
223 | } | |
224 | return values; | |
225 | } | |
226 | ||
227 | return null; | |
228 | } | |
229 | ||
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230 | static private void put(JSONObject json, String key, Object o) { |
231 | json.put(key, o == null ? JSONObject.NULL : o); | |
232 | } | |
233 | ||
234 | static String getString(JSONObject json, String key) { | |
235 | if (json.has(key)) { | |
236 | Object o = json.get(key); | |
237 | if (o instanceof String) { | |
238 | return (String) o; | |
239 | } | |
240 | } | |
241 | ||
242 | return null; | |
243 | } | |
244 | ||
245 | static long getLong(JSONObject json, String key, long def) { | |
246 | if (json.has(key)) { | |
247 | Object o = json.get(key); | |
248 | if (o instanceof Long) { | |
249 | return (Long) o; | |
250 | } | |
251 | } | |
252 | ||
253 | return def; | |
254 | } | |
255 | ||
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256 | static int getInt(JSONObject json, String key, int def) { |
257 | if (json.has(key)) { | |
258 | Object o = json.get(key); | |
259 | if (o instanceof Integer) { | |
260 | return (Integer) o; | |
261 | } | |
262 | } | |
263 | ||
264 | return def; | |
265 | } | |
266 | ||
f433d153 NR |
267 | static JSONObject getJson(JSONObject json, String key) { |
268 | if (json.has(key)) { | |
269 | Object o = json.get(key); | |
270 | if (o instanceof JSONObject) { | |
271 | return (JSONObject) o; | |
272 | } | |
273 | } | |
274 | ||
275 | return null; | |
276 | } | |
277 | ||
278 | static JSONArray getJsonArr(JSONObject json, String key) { | |
279 | if (json.has(key)) { | |
280 | Object o = json.get(key); | |
281 | if (o instanceof JSONArray) { | |
282 | return (JSONArray) o; | |
283 | } | |
284 | } | |
285 | ||
286 | return null; | |
287 | } | |
288 | } |