private Entity entity()

in lib/client-core/src/main/java/org/apache/olingo/client/core/serialization/AtomDeserializer.java [623:743]
114 lines of code
40 McCabe index (conditional complexity)

  private Entity entity(final XMLEventReader reader, final StartElement start)
      throws XMLStreamException, EdmPrimitiveTypeException {
    final Entity entity;
    if (entryRefQName.equals(start.getName())) {
      entity = entityRef(start);
    } else if (Constants.QNAME_ATOM_ELEM_ENTRY.equals(start.getName())) {
      entity = new Entity();
      final Attribute xmlBase = start.getAttributeByName(Constants.QNAME_ATTR_XML_BASE);
      if (xmlBase != null) {
        entity.setBaseURI(URI.create(xmlBase.getValue()));
      }

      final Attribute etag = start.getAttributeByName(etagQName);
      if (etag != null) {
        entity.setETag(etag.getValue());
      }

      boolean foundEndEntry = false;
      while (reader.hasNext() && !foundEndEntry) {
        final XMLEvent event = reader.nextEvent();

        if (event.isStartElement()) {
          if (Constants.QNAME_ATOM_ELEM_ID.equals(event.asStartElement().getName())) {
            common(reader, event.asStartElement(), entity, "id");
          } else if (Constants.QNAME_ATOM_ELEM_TITLE.equals(event.asStartElement().getName())) {
            common(reader, event.asStartElement(), entity, "title");
          } else if (Constants.QNAME_ATOM_ELEM_SUMMARY.equals(event.asStartElement().getName())) {
            common(reader, event.asStartElement(), entity, "summary");
          } else if (Constants.QNAME_ATOM_ELEM_UPDATED.equals(event.asStartElement().getName())) {
            common(reader, event.asStartElement(), entity, "updated");
          } else if (Constants.QNAME_ATOM_ELEM_CATEGORY.equals(event.asStartElement().getName())) {
            final Attribute term = event.asStartElement().getAttributeByName(QName.valueOf(Constants.ATOM_ATTR_TERM));
            if (term != null) {
              entity.setType(new EdmTypeInfo.Builder().setTypeExpression(term.getValue()).build().internal());
            }
          } else if (Constants.QNAME_ATOM_ELEM_LINK.equals(event.asStartElement().getName())) {
            final Link link = new Link();
            final Attribute rel = event.asStartElement().getAttributeByName(QName.valueOf(Constants.ATTR_REL));
            if (rel != null) {
              link.setRel(rel.getValue());
            }
            final Attribute title = event.asStartElement().getAttributeByName(QName.valueOf(Constants.ATTR_TITLE));
            if (title != null) {
              link.setTitle(title.getValue());
            }
            final Attribute href = event.asStartElement().getAttributeByName(QName.valueOf(Constants.ATTR_HREF));
            if (href != null) {
              link.setHref(href.getValue());
            }
            final Attribute type = event.asStartElement().getAttributeByName(QName.valueOf(Constants.ATTR_TYPE));
            if (type != null) {
              link.setType(type.getValue());
            }

            if (Constants.SELF_LINK_REL.equals(link.getRel())) {
              entity.setSelfLink(link);
            } else if (Constants.EDIT_LINK_REL.equals(link.getRel())) {
              entity.setEditLink(link);
            } else if (Constants.EDITMEDIA_LINK_REL.equals(link.getRel())) {
              final Attribute mediaETag = event.asStartElement().getAttributeByName(etagQName);
              if (mediaETag != null) {
                entity.setMediaETag(mediaETag.getValue());
              }
            } else if (link.getRel().startsWith(Constants.NS_NAVIGATION_LINK_REL)) {
              entity.getNavigationLinks().add(link);
              inline(reader, event.asStartElement(), link);
            } else if (link.getRel().startsWith(Constants.NS_ASSOCIATION_LINK_REL)) {
              entity.getAssociationLinks().add(link);
            } else if (link.getRel().startsWith(Constants.NS_MEDIA_EDIT_LINK_REL) ||
                link.getRel().startsWith(Constants.NS_MEDIA_READ_LINK_REL)) {
              final Attribute metag = event.asStartElement().getAttributeByName(etagQName);
              if (metag != null) {
                link.setMediaETag(metag.getValue());
              }
              entity.getMediaEditLinks().add(link);
            }
          } else if (actionQName.equals(event.asStartElement().getName())) {
            final Operation operation = new Operation();
            final Attribute metadata =
                event.asStartElement().getAttributeByName(QName.valueOf(Constants.ATTR_METADATA));
            if (metadata != null) {
              operation.setMetadataAnchor(metadata.getValue());
            }
            final Attribute title = event.asStartElement().getAttributeByName(QName.valueOf(Constants.ATTR_TITLE));
            if (title != null) {
              operation.setTitle(title.getValue());
            }
            final Attribute target = event.asStartElement().getAttributeByName(QName.valueOf(Constants.ATTR_TARGET));
            if (target != null) {
              operation.setTarget(URI.create(target.getValue()));
            }

            entity.getOperations().add(operation);
          } else if (Constants.QNAME_ATOM_ELEM_CONTENT.equals(event.asStartElement().getName())) {
            final Attribute type = event.asStartElement().getAttributeByName(QName.valueOf(Constants.ATTR_TYPE));
            if (type == null || ContentType.APPLICATION_XML.toContentTypeString().equals(type.getValue())) {
              properties(reader, skipBeforeFirstStartElement(reader), entity);
            } else {
              entity.setMediaContentType(type.getValue());
              final Attribute src = event.asStartElement().getAttributeByName(QName.valueOf(Constants.ATOM_ATTR_SRC));
              if (src != null) {
                entity.setMediaContentSource(URI.create(src.getValue()));
              }
            }
          } else if (propertiesQName.equals(event.asStartElement().getName())) {
            properties(reader, event.asStartElement(), entity);
          } else if (annotationQName.equals(event.asStartElement().getName())) {
            entity.getAnnotations().add(annotation(reader, event.asStartElement()));
          }
        }

        if (event.isEndElement() && start.getName().equals(event.asEndElement().getName())) {
          foundEndEntry = true;
        }
      }
    } else {
      entity = null;
    }

    return entity;
  }