xml serialize io OutputStream io io UnsupportedEncodingException dom DOMMessageFormatter serializerfactoryimpl serializerfactory _method serializerfactoryimpl method _method method _method.equals method.xml _method.equals _method.equals method.xhtml _method.equals method.text msg dommessageformatter.formatmessage dommessageformatter.serializer_domain method illegalargumentexception msg serializer makeserializer outputformat format serializer serializer serializer getserializer format serializer.setoutputformat format serializer serializer makeserializer writer outputformat format serializer serializer serializer getserializer format serializer.setoutputcharstream writer serializer serializer makeserializer outputstream output outputformat format unsupportedencodingexception serializer serializer serializer getserializer format serializer.setoutputbytestream output serializer serializer getserializer outputformat format _method.equals method.xml xmlserializer format _method.equals htmlserializer format _method.equals method.xhtml xhtmlserializer format _method.equals method.text textserializer msg dommessageformatter.formatmessage dommessageformatter.serializer_domain _method illegalstateexception msg getsupportedmethod _method