@param input The input source for the document entity.
@exception org.xml.sax.SAXException Any SAX exception, possibly
wrapping another exception.
@exception java.io.IOException An IO exception from the parser,
possibly from a byte stream or character stream
supplied by the application.
Parse the given content.
@param input The input source for the document entity. @exception org.xml.sax.SAXException Any SAX exception, possibly wrapping another exception. @exception java.io.IOException An IO exception from the parser, possibly from a byte stream or character stream supplied by the application.