org.bson.codecs.ValueCodecProvider Java Examples

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Example #1

Source File: SharedFongoResource.java From baleen with Apache License 2.0

5 votes

@Override
protected boolean doInitialize(
    ResourceSpecifier aSpecifier, Map<String, Object> aAdditionalParams)
    throws ResourceInitializationException {
  // Work whether it's a list of DB Objects or a single
  if ("{}".equals(fongoData) || "[]".equals(fongoData) || Strings.isNullOrEmpty(fongoData)) {
    return true;
  }

  if (fongoData.trim().startsWith("[")) {
    CodecRegistry codecRegistry =
        CodecRegistries.fromProviders(
            Arrays.asList(
                new ValueCodecProvider(),
                new BsonValueCodecProvider(),
                new DocumentCodecProvider()));
    JsonReader reader = new JsonReader(fongoData);
    BsonArrayCodec arrayReader = new BsonArrayCodec(codecRegistry);

    BsonArray docArray = arrayReader.decode(reader, DecoderContext.builder().build());

    for (BsonValue doc : docArray.getValues()) {
      fongo
          .getDatabase(BALEEN)
          .getCollection(fongoCollection)
          .insertOne(Document.parse(doc.asDocument().toJson()));
    }
  } else if (fongoData.trim().startsWith("{")) {
    Document data = Document.parse(fongoData);
    fongo.getDatabase(BALEEN).getCollection(fongoCollection).insertOne(data);
  } else {
    getMonitor().error("Unsupported type");
    throw new ResourceInitializationException();
  }

  return true;
}