How to use

Supplier

in

colesico.framework.ioc

/**
 * Produces HikariDataSource for default HikariCP configuration
 * defined in file META-INF/hikaricp.properties
 *
 * @param hdsFactory
 * @return
 */
@Singleton
@Classed(HikariProperties.class)
public DataSource propertiesBasedHikariDataSource(@Classed(HikariConfiguration.class) Supplier<DataSource> hdsFactory) {
  return hdsFactory.get(new HikariProperties());
}

@Override
public <V> V read(Class<V> type, ReaderContext context) {
  // try get accurate reader
  final Supplier<RestletTeleReader> supplier = ioc.supplierOrNull(new ClassedKey<>(RestletTeleReader.class, type));
  if (supplier != null) {
    final TeleReader<V, ReaderContext> reader = supplier.get(null);
    return reader.read(context);
  }
  // no accurate reader. read as json
  HttpContext httpContext = httpContextProv.get();
  try (InputStream is = httpContext.getRequest().getInputStream()) {
    return jsonConverter.fromJson(is, type);
  } catch (Exception e) {
    throw new RuntimeException(e);
  }
}

@Override
public <V> void write(Class<V> type, V value, WriterContext context) {
  final Supplier<RestletTeleWriter> supplier = ioc.supplierOrNull(new ClassedKey<>(RestletTeleWriter.class, type));
  if (supplier != null) {
    final TeleWriter<V, WriterContext> writer = supplier.get(null);
    writer.write(value, context);
    return;
  }
  HttpContext httpContext = httpContextProv.get();
  HttpResponse httpResponse = httpContext.getResponse();
  String json = jsonConverter.toJson(value);
  if (json == null) {
    httpResponse.sendText("", RESPONSE_CONTENT_TYPE, 204);
  } else {
    httpResponse.sendData(ByteBuffer.wrap(json.getBytes()), RESPONSE_CONTENT_TYPE, 200);
  }
}