stax events io io xml namespace QName xml stream Location xml stream XMLStreamException xml stream events EndElement endelementimpl elementimpl endelement endelementimpl qname name namespaces location location name namespaces location writeasencodedunicode writer xmlstreamexception writer.write qname name prefix name.getprefix prefix prefix.length writer.write prefix writer.write writer.write name.getlocalpart writer.write ioe xmlstreamexception ioe