private void convertAttribute(
SubDocument.Builder builder, String columnName, Object jsonValue, SubDocType subDocType) {
String attName = getAttributeName(columnName);
if (attName != null) { // it is an attribute
SubDocAttribute attribute = subDocType.getAttribute(attName);
Value subDocValue =
ValueToJsonConverterProvider.getInstance()
.getConverter(attribute.getType())
.toValue(jsonValue);
builder.add(attribute, subDocValue);
} else { // it is a special field
if (columnName.equals(SubDocTable.DID_COLUMN_NAME)) {
builder.setDocumentId((Integer) jsonValue);
} else if (columnName.equals(SubDocTable.INDEX_COLUMN_NAME)) {
Integer index;
if (jsonValue == null) {
index = 0;
} else {
index = (Integer) jsonValue;
}
builder.setIndex(index);
} else {
throw new IllegalArgumentException(
"The given record contains the attribute " + columnName + " which is not recognized");
}
}
}
public SubDocument from(String subdocAsJson, SubDocType subDocType) {
JsonReader reader = Json.createReader(new StringReader(subdocAsJson));
JsonObject jsonObject = reader.readObject();
SubDocument.Builder builder = new SubDocument.Builder();
for (Map.Entry<String, JsonValue> entry : jsonObject.entrySet()) {
Object objectValue = jsonValueToObject(entry.getValue());
convertAttribute(builder, entry.getKey(), objectValue, subDocType);
}
return builder.build();
}