protected void writeEntity()

in lib/server-core/src/main/java/org/apache/olingo/server/core/serializer/xml/ODataXmlSerializer.java [442:542]
85 lines of code
18 McCabe index (conditional complexity)

  protected void writeEntity(final ServiceMetadata metadata, final EdmEntityType entityType,
      final Entity entity, final ContextURL contextURL, final ExpandOption expand, final Integer toDepth,
      final SelectOption select, final String xml10InvalidCharReplacement,
      final XMLStreamWriter writer, final boolean top, final boolean writeOnlyRef,String name,  Set<String> ancestors)
      throws XMLStreamException, SerializerException {
    boolean cycle = false;
    if (expand != null) {
      if (ancestors == null) {
        ancestors = new HashSet<String>();
      }
      cycle = !ancestors.add(getEntityId(entity, entityType, name));
    }

    if (cycle || writeOnlyRef) {
      writeReference(entity, contextURL, writer, top);
      return;
    }
    try {
      writer.writeStartElement(ATOM, Constants.ATOM_ELEM_ENTRY, NS_ATOM);
      if (top) {
        writer.writeNamespace(ATOM, NS_ATOM);
        writer.writeNamespace(METADATA, NS_METADATA);
        writer.writeNamespace(DATA, NS_DATA);
  
        if (contextURL != null) { // top-level entity
          writer.writeAttribute(METADATA, NS_METADATA, Constants.CONTEXT,
              ContextURLBuilder.create(contextURL).toASCIIString());
          writeMetadataETag(metadata, writer);
        }
      }
      if (entity.getETag() != null) {
        writer.writeAttribute(METADATA, NS_METADATA, Constants.ATOM_ATTR_ETAG, entity.getETag());
      }
  
      if (entity.getId() != null) {
        writer.writeStartElement(NS_ATOM, Constants.ATOM_ELEM_ID);
        writer.writeCharacters(entity.getId().toASCIIString());
        writer.writeEndElement();
      }
  
      writerAuthorInfo(entity.getTitle(), writer);
  
      if (entity.getId() != null) {
        writer.writeStartElement(NS_ATOM, Constants.ATOM_ELEM_LINK);
        writer.writeAttribute(Constants.ATTR_REL, Constants.EDIT_LINK_REL);
        writer.writeAttribute(Constants.ATTR_HREF, entity.getId().toASCIIString());
        writer.writeEndElement();
      }
  
      if (entityType.hasStream()) {
        writer.writeStartElement(NS_ATOM, Constants.ATOM_ELEM_CONTENT);
        writer.writeAttribute(Constants.ATTR_TYPE, entity.getMediaContentType());
        if (entity.getMediaContentSource() != null) {
          writer.writeAttribute(Constants.ATOM_ATTR_SRC, entity.getMediaContentSource().toString());
        } else {
          String id = entity.getId().toASCIIString();
          writer.writeAttribute(Constants.ATOM_ATTR_SRC,
              id + (id.endsWith("/") ? "" : "/") + "$value");
        }
        writer.writeEndElement();
      }
  
      // write media links
      for (Link link : entity.getMediaEditLinks()) {
        writeLink(writer, link);
      }
  
      EdmEntityType resolvedType = resolveEntityType(metadata, entityType, entity.getType());
      writeNavigationProperties(metadata, resolvedType, entity, expand,
        toDepth, xml10InvalidCharReplacement, ancestors, name, writer);
  
      writer.writeStartElement(ATOM, Constants.ATOM_ELEM_CATEGORY, NS_ATOM);
      writer.writeAttribute(Constants.ATOM_ATTR_SCHEME, Constants.NS_SCHEME);
      writer.writeAttribute(Constants.ATOM_ATTR_TERM,
          "#" + resolvedType.getFullQualifiedName().getFullQualifiedNameAsString());
      writer.writeEndElement();
  
      // In the case media, content is sibiling
      if (!entityType.hasStream()) {
        writer.writeStartElement(NS_ATOM, Constants.ATOM_ELEM_CONTENT);
        writer.writeAttribute(Constants.ATTR_TYPE, "application/xml");
      }
  
      writer.writeStartElement(METADATA, Constants.PROPERTIES, NS_METADATA);
      writeProperties(metadata, resolvedType, entity.getProperties(), select, 
          xml10InvalidCharReplacement, writer, entity, expand);
      writer.writeEndElement(); // properties
  
      if (!entityType.hasStream()) { // content
        writer.writeEndElement();
      }
      
      writeOperations(entity.getOperations(), writer);
      
      writer.writeEndElement(); // entry
    } finally {
      if (!cycle && ancestors != null) {
        ancestors.remove(getEntityId(entity, entityType, name));
      }
    }
  }