xml stream XMLEventReader xml stream XMLStreamException xml stream XMLStreamReader xni parser XMLInputSource staxinputsource xmlinputsource xmlstreamreader fstreamreader xmleventreader fconsumeremainingcontent staxinputsource xmlstreamreader source source staxinputsource xmlstreamreader source consumeremainingcontent source.getlocation getsystemid source illegalargumentexception fstreamreader source fconsumeremainingcontent consumeremainingcontent staxinputsource xmleventreader source source staxinputsource xmleventreader source consumeremainingcontent geteventreadersystemid source source illegalargumentexception fstreamreader source fconsumeremainingcontent consumeremainingcontent xmlstreamreader getxmlstreamreader fstreamreader xmleventreader getxmleventreader shouldconsumeremainingcontent fconsumeremainingcontent setsystemid systemid unsupportedoperationexception geteventreadersystemid xmleventreader reader reader reader.peek getlocation getsystemid xmlstreamexception