package be.nikiroo.fanfix.data; import java.util.ArrayList; import java.util.List; import org.json.JSONArray; import org.json.JSONException; import org.json.JSONObject; import be.nikiroo.fanfix.data.Paragraph.ParagraphType; public class JsonIO { static public JSONObject toJson(MetaData meta) { if (meta == null) { return null; } JSONObject json = new JSONObject(); put(json, "", MetaData.class.getName()); put(json, "luid", meta.getLuid()); put(json, "title", meta.getTitle()); put(json, "author", meta.getAuthor()); put(json, "source", meta.getSource()); put(json, "url", meta.getUrl()); put(json, "words", meta.getWords()); put(json, "creation_date", meta.getCreationDate()); put(json, "date", meta.getDate()); put(json, "lang", meta.getLang()); put(json, "publisher", meta.getPublisher()); put(json, "subject", meta.getSubject()); put(json, "type", meta.getType()); put(json, "uuid", meta.getUuid()); put(json, "resume", toJson(meta.getResume())); put(json, "tags", new JSONArray(meta.getTags())); return json; } /** * // no image * * @param json * * @return * * @throws JSONException * when it cannot be converted */ static public MetaData toMetaData(JSONObject json) { if (json == null) { return null; } MetaData meta = new MetaData(); meta.setLuid(getString(json, "luid")); meta.setTitle(getString(json, "title")); meta.setAuthor(getString(json, "author")); meta.setSource(getString(json, "source")); meta.setUrl(getString(json, "url")); meta.setWords(getLong(json, "words", 0)); meta.setCreationDate(getString(json, "creation_date")); meta.setDate(getString(json, "date")); meta.setLang(getString(json, "lang")); meta.setPublisher(getString(json, "publisher")); meta.setSubject(getString(json, "subject")); meta.setType(getString(json, "type")); meta.setUuid(getString(json, "uuid")); meta.setResume(toChapter(getJson(json, "resume"))); meta.setTags(toListString(getJsonArr(json, "tags"))); return meta; } static public JSONObject toJson(Story story) { if (story == null) { return null; } JSONObject json = new JSONObject(); put(json, "", Story.class.getName()); put(json, "meta", toJson(story.getMeta())); List chapters = new ArrayList(); for (Chapter chap : story) { chapters.add(toJson(chap)); } put(json, "chapters", new JSONArray(chapters)); return json; } /** * * @param json * * @return * * @throws JSONException * when it cannot be converted */ static public Story toStory(JSONObject json) { if (json == null) { return null; } Story story = new Story(); story.setMeta(toMetaData(getJson(json, "meta"))); story.setChapters(toListChapter(getJsonArr(json, "chapters"))); return story; } static public JSONObject toJson(Chapter chap) { if (chap == null) { return null; } JSONObject json = new JSONObject(); put(json, "", Chapter.class.getName()); put(json, "name", chap.getName()); put(json, "number", chap.getNumber()); put(json, "words", chap.getWords()); List paragraphs = new ArrayList(); for (Paragraph para : chap) { paragraphs.add(toJson(para)); } put(json, "paragraphs", new JSONArray(paragraphs)); return json; } /** * * @param json * * @return * * @throws JSONException * when it cannot be converted */ static public Chapter toChapter(JSONObject json) { if (json == null) { return null; } Chapter chap = new Chapter(getInt(json, "number", 0), getString(json, "name")); chap.setWords(getLong(json, "words", 0)); chap.setParagraphs(toListParagraph(getJsonArr(json, "paragraphs"))); return chap; } // no images static public JSONObject toJson(Paragraph para) { if (para == null) { return null; } JSONObject json = new JSONObject(); put(json, "", Paragraph.class.getName()); put(json, "content", para.getContent()); put(json, "words", para.getWords()); put(json, "type", para.getType().toString()); return json; } /** * // no images * * @param json * * @return * * @throws JSONException * when it cannot be converted */ static public Paragraph toParagraph(JSONObject json) { if (json == null) { return null; } Paragraph para = new Paragraph( ParagraphType.valueOf(getString(json, "type")), getString(json, "content"), getLong(json, "words", 0)); return para; } static public List toListString(JSONArray array) { if (array != null) { List values = new ArrayList(); for (int i = 0; i < array.length(); i++) { values.add(array.getString(i)); } return values; } return null; } static public List toListParagraph(JSONArray array) { if (array != null) { List values = new ArrayList(); for (int i = 0; i < array.length(); i++) { JSONObject value = array.getJSONObject(i); values.add(toParagraph(value)); } return values; } return null; } private static List toListChapter(JSONArray array) { if (array != null) { List values = new ArrayList(); for (int i = 0; i < array.length(); i++) { JSONObject value = array.getJSONObject(i); values.add(toChapter(value)); } return values; } return null; } static private void put(JSONObject json, String key, Object o) { json.put(key, o == null ? JSONObject.NULL : o); } static String getString(JSONObject json, String key) { if (json.has(key)) { Object o = json.get(key); if (o instanceof String) { return (String) o; } } return null; } static long getLong(JSONObject json, String key, long def) { if (json.has(key)) { Object o = json.get(key); if (o instanceof Long) { return (Long) o; } } return def; } static int getInt(JSONObject json, String key, int def) { if (json.has(key)) { Object o = json.get(key); if (o instanceof Integer) { return (Integer) o; } } return def; } static JSONObject getJson(JSONObject json, String key) { if (json.has(key)) { Object o = json.get(key); if (o instanceof JSONObject) { return (JSONObject) o; } } return null; } static JSONArray getJsonArr(JSONObject json, String key) { if (json.has(key)) { Object o = json.get(key); if (o instanceof JSONArray) { return (JSONArray) o; } } return null; } }