Examples of org.json.JSONArray.optJSONObject()

org.json.JSONArray.optJSONObject()
Get the optional JSONObject associated with an index. Null is returned if the key is not found, or null if the index has no value, or if the value is not a JSONObject. @param index The index must be between 0 and length() - 1. @return A JSONObject value.

      return node;
    } else {
      if (node.has("children")) {
        JSONArray children = node.optJSONArray("children");
        for (int i = 0; i < children.length(); i++) {
          JSONObject child = children.optJSONObject(i);
          JSONObject res = findWebViewNode(child);
          if (res != null) {
            return res;
          }
        }

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        final JSONArray converted = json.getJSONObject(SerTokens.TOKEN_RESULT).getJSONArray(SerTokens.TOKEN_DATA);


        assertNotNull(converted);
        assertEquals(1, converted.length());


        final JSONObject vertexAsJson = converted.optJSONObject(0);
        assertNotNull(vertexAsJson);


        assertEquals(((Long) v.id()).intValue(), vertexAsJson.get(GraphSONTokens.ID)); // lossy
        assertEquals(GraphSONTokens.VERTEX, vertexAsJson.get(GraphSONTokens.TYPE));

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        final JSONArray converted = json.getJSONObject(SerTokens.TOKEN_RESULT).getJSONArray(SerTokens.TOKEN_DATA);


        assertNotNull(converted);
        assertEquals(1, converted.length());


        final JSONObject edgeAsJson = converted.optJSONObject(0);
        assertNotNull(edgeAsJson);


        assertEquals(((Long) e.id()).intValue(), edgeAsJson.get(GraphSONTokens.ID));  // lossy
        assertEquals(((Long) v1.id()).intValue(), edgeAsJson.get(GraphSONTokens.OUT));// lossy
        assertEquals(((Long) v2.id()).intValue(), edgeAsJson.get(GraphSONTokens.IN)); // lossy

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        final JSONArray converted = json.getJSONObject(SerTokens.TOKEN_RESULT).getJSONArray(SerTokens.TOKEN_DATA);


        assertNotNull(converted);
        assertEquals(1, converted.length());


        final JSONObject vertexAsJson = converted.optJSONObject(0);
        assertNotNull(vertexAsJson);


        final JSONObject properties = vertexAsJson.optJSONObject(GraphSONTokens.PROPERTIES);
        assertNotNull(properties);

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//        JSONObject obj = rows.getJSONObject(i);
        writer.write("\n");
        for(int j=0;j<headers.length();j++) {
          try {
//            writer.write("\"" + rows.optJSONObject(i).optJSONObject(headers.getString(j)).optString("value").replaceAll("\"", "\\\"") + "\"");
            writer.write(rows.optJSONObject(i).optJSONObject(headers.getString(j)).optString("value").replaceAll("\"", "\\\""));
            if(j < headers.length()-1) {
              writer.write(",");
            }
          }catch(Exception e1) {
            logger.error("Could not find key in json object");

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        final JSONArray array = instance.optJSONArray(id);
        final List<StateReader> readers = new ArrayList<StateReader>();
        if (array != null) {
            final int size = array.length();
            for (int i = 0; i < size; i++) {
                readers.add(new JsonStateReader(array.optJSONObject(i)));
            }
        }
        return readers;
    }
}

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    public List<StateReader> readCollection(final String id) {
        final JSONArray array = instance.optJSONArray(id);
        final List<StateReader> readers = new ArrayList<StateReader>();
        final int size = array.length();
        for (int i = 0; i < size; i++) {
            readers.add(new JsonStateReader(array.optJSONObject(i)));
        }
        return readers;
    }
}

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    obj.cityCode = Result.toString(jsonObject.opt("city_code"));
    JSONArray jsonArray = jsonObject.optJSONArray("comp");
    if (jsonArray != null) {
      List<Company> companies = new ArrayList<Company>();
      for (int i = 0; i < jsonArray.length(); i++) {
        companies.add(Company.parse(jsonArray.optJSONObject(i)));
      }
      obj.companies = companies;
    }
    jsonArray = jsonObject.optJSONArray("edu");
    if (jsonArray != null) {

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    }
    jsonArray = jsonObject.optJSONArray("edu");
    if (jsonArray != null) {
      List<Education> educations = new ArrayList<Education>();
      for (int i = 0; i < jsonArray.length(); i++) {
        educations.add(Education.parse(jsonArray.optJSONObject(i)));
      }
      obj.educations = educations;
    }
    obj.fansNum = Result.parseInteger(jsonObject.opt("fansnum"));
    obj.favNum = Result.parseInteger(jsonObject.opt("favnum"));

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    obj.gender = Gender.parse(Result.parseInteger(jsonObject.opt("sex")));
    jsonArray = jsonObject.optJSONArray("tag");
    if (jsonArray != null) {
      List<Tag> tags = new ArrayList<Tag>();
      for (int i = 0; i < jsonArray.length(); i++) {
        tags.add(Tag.parse(jsonArray.optJSONObject(i)));
      }
      obj.tags = tags;
    }
    jsonArray = jsonObject.optJSONArray("tweetinfo");
    if (jsonArray == null) {

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