/**
   * XmlAttribute override will completely replace the existing values.
   *
   * @param xmlAttribute
   * @param oldProperty
   * @param nsInfo
   * @return
   */
  private Property processXmlAttribute(
      XmlAttribute xmlAttribute, Property oldProperty, TypeInfo typeInfo, NamespaceInfo nsInfo) {
    // reset any existing values
    resetProperty(oldProperty, typeInfo);

    // handle xml-id
    if (xmlAttribute.isXmlId()) {
      typeInfo.setIDProperty(oldProperty);
    } else if (oldProperty.isXmlId()) {
      // account for XmlID un-set via XML
      if (typeInfo.getIDProperty() != null
          && typeInfo.getIDProperty().getPropertyName().equals(oldProperty.getPropertyName())) {
        typeInfo.setIDProperty(null);
      }
    }
    oldProperty.setIsXmlId(xmlAttribute.isXmlId());

    // handle xml-idref
    oldProperty.setIsXmlIdRef(xmlAttribute.isXmlIdref());

    // set isAttribute
    oldProperty.setIsAttribute(true);

    // set required
    oldProperty.setIsRequired(xmlAttribute.isRequired());

    // set xml-inline-binary-data
    oldProperty.setisInlineBinaryData(xmlAttribute.isXmlInlineBinaryData());

    // set schema name
    QName qName;
    String name = xmlAttribute.getName();
    if (name.equals("##default")) {
      name = oldProperty.getPropertyName();
    }
    if (xmlAttribute.getNamespace().equals("##default")) {
      if (nsInfo.isElementFormQualified()) {
        qName = new QName(nsInfo.getNamespace(), name);
      } else {
        qName = new QName(name);
      }
    } else {
      qName = new QName(xmlAttribute.getNamespace(), name);
    }
    oldProperty.setSchemaName(qName);

    // handle XmlJavaTypeAdapter
    if (xmlAttribute.getXmlJavaTypeAdapter() != null) {
      oldProperty.setXmlJavaTypeAdapter(xmlAttribute.getXmlJavaTypeAdapter());
    }

    // handle xml-mime-type
    if (xmlAttribute.getXmlMimeType() != null) {
      oldProperty.setMimeType(xmlAttribute.getXmlMimeType());
    }

    // handle xml-attachment-ref
    if (xmlAttribute.isXmlAttachmentRef()) {
      oldProperty.setIsSwaAttachmentRef(true);
      oldProperty.setSchemaType(XMLConstants.SWA_REF_QNAME);
    }

    // handle xml-schema-type
    if (xmlAttribute.getXmlSchemaType() != null) {
      oldProperty.setSchemaType(
          new QName(
              xmlAttribute.getXmlSchemaType().getNamespace(),
              xmlAttribute.getXmlSchemaType().getName()));
    }

    return oldProperty;
  }
  /**
   * Return all of the declared <code>JavaFields</code> for this <code>JavaClass</code>.
   *
   * @return A <code>Collection</code> containing this <code>JavaClass'</code> <code>JavaFields
   *     </code>.
   */
  public Collection<JavaField> getDeclaredFields() {
    List<JavaField> fieldsToReturn = new ArrayList<JavaField>();

    if (this.enumValues != null) {
      for (Iterator<String> iterator = this.enumValues.iterator(); iterator.hasNext(); ) {
        fieldsToReturn.add(new OXMJavaFieldImpl(iterator.next(), JAVA_LANG_OBJECT, this));
      }
    } else {
      JavaAttributes javaAttributes = this.javaType.getJavaAttributes();
      if (null != javaAttributes) {
        List<JAXBElement<? extends JavaAttribute>> fields = javaAttributes.getJavaAttribute();

        for (Iterator<JAXBElement<? extends JavaAttribute>> iterator = fields.iterator();
            iterator.hasNext(); ) {
          JAXBElement<? extends JavaAttribute> jaxbElement = iterator.next();

          JavaAttribute att = (JavaAttribute) jaxbElement.getValue();

          if (att instanceof XmlElement) {
            XmlElement xme = (XmlElement) att;
            String fieldName = xme.getJavaAttribute();
            String fieldType = xme.getType();
            fieldsToReturn.add(new OXMJavaFieldImpl(fieldName, fieldType, this));
          } else if (att instanceof XmlElements) {
            XmlElements xmes = (XmlElements) att;
            String fieldName = xmes.getJavaAttribute();
            String fieldType = JAVA_LANG_OBJECT;
            fieldsToReturn.add(new OXMJavaFieldImpl(fieldName, fieldType, this));
          } else if (att instanceof XmlElementRef) {
            XmlElementRef xmer = (XmlElementRef) att;
            String fieldName = xmer.getJavaAttribute();
            String fieldType = xmer.getType();
            fieldsToReturn.add(new OXMJavaFieldImpl(fieldName, fieldType, this));
          } else if (att instanceof XmlAttribute) {
            XmlAttribute xma = (XmlAttribute) att;
            String fieldName = xma.getJavaAttribute();
            String fieldType = xma.getType();
            fieldsToReturn.add(new OXMJavaFieldImpl(fieldName, fieldType, this));
          } else if (att instanceof XmlValue) {
            XmlValue xmv = (XmlValue) att;
            String fieldName = xmv.getJavaAttribute();
            String fieldType = xmv.getType();
            fieldsToReturn.add(new OXMJavaFieldImpl(fieldName, fieldType, this));
          } else if (att instanceof XmlAnyElement) {
            XmlAnyElement xmae = (XmlAnyElement) att;
            String fieldName = xmae.getJavaAttribute();
            String fieldType = JAVA_LANG_OBJECT;
            fieldsToReturn.add(new OXMJavaFieldImpl(fieldName, fieldType, this));
          } else if (att instanceof XmlAnyAttribute) {
            XmlAnyAttribute xmaa = (XmlAnyAttribute) att;
            String fieldName = xmaa.getJavaAttribute();
            String fieldType = JAVA_UTIL_MAP;
            fieldsToReturn.add(new OXMJavaFieldImpl(fieldName, fieldType, this));
          } else if (att instanceof XmlJoinNodes) {
            XmlJoinNodes xmjn = (XmlJoinNodes) att;
            String fieldName = xmjn.getJavaAttribute();
            String fieldType = xmjn.getType();
            fieldsToReturn.add(new OXMJavaFieldImpl(fieldName, fieldType, this));
          } else if (att instanceof XmlInverseReference) {
            XmlInverseReference xmir = (XmlInverseReference) att;
            String fieldName = xmir.getJavaAttribute();
            String fieldType = xmir.getType();
            fieldsToReturn.add(new OXMJavaFieldImpl(fieldName, fieldType, this));
          }
        }
      }
    }

    return fieldsToReturn;
  }