private void serializeStartpart(XMLStreamWriter writer) throws XMLStreamException { String nameSpaceName = XOP_NS.getNamespaceURI(); String writer_prefix = writer.getPrefix(nameSpaceName); String prefix = XOP_NS.getPrefix(); if (writer_prefix != null) { writer.writeStartElement(nameSpaceName, this .getLocalName()); } else { writer.writeStartElement(prefix, this.getLocalName(), nameSpaceName); writer.setPrefix(prefix, nameSpaceName); } // add the elements attribute "href" serializeAttribute(this.attribute, writer); // add the namespace serializeNamespace(XOP_NS, writer); }