Getting encoding type of a XML in java

Question

I am parsing XML using DocumentBuilder in java 1.4.
XML has first line as

xml version=\"1.0\" encoding=\"GBK\"

I want to

Answer 1

One way to this works like this

final XMLStreamReader xmlStreamReader = XMLInputFactory.newInstance().createXMLStreamReader( new FileReader( testFile ) );

//running on MS Windows fileEncoding is "CP1251"
String fileEncoding = xmlStreamReader.getEncoding(); 

//the XML declares UTF-8 so encodingFromXMLDeclaration is "UTF-8"
String encodingFromXMLDeclaration = xmlStreamReader.getCharacterEncodingScheme();