Class PojoWriter

form/src/main/java/feign/form/multipart/PojoWriter.java:32–65

A custom user's POJO writer. @author Artem Labazin

 * @author Artem Labazin
 */
@RequiredArgsConstructor
@FieldDefaults(level = PRIVATE, makeFinal = true)
public class PojoWriter extends AbstractWriter {

  Iterable<Writer> writers;

  @Override
  public boolean isApplicable(Object object) {
    return isUserPojo(object);
  }

  @Override
  public void write(Output output, String boundary, String key, Object object)
      throws EncodeException {
    val map = toMap(object);
    for (val entry : map.entrySet()) {
      val writer = findApplicableWriter(entry.getValue());
      if (writer == null) {
        continue;
      }

      writer.write(output, boundary, entry.getKey(), entry.getValue());
    }
  }

  private Writer findApplicableWriter(Object value) {
    for (val writer : writers) {
      if (writer.isApplicable(value)) {
        return writer;
      }
    }
    return null;
  }
}