SchemaCompilerImpl.java 文件源码

public void parseSchema( String systemId, Element element ) {
    checkAbsoluteness(systemId);
    try {
        DOMScanner scanner = new DOMScanner();

        // use a locator that sets the system ID correctly
        // so that we can resolve relative URLs in most of the case.
        // it still doesn't handle xml:base and XInclude and all those things
        // correctly. There's just no way to make all those things work with DOM!
        LocatorImpl loc = new LocatorImpl();
        loc.setSystemId(systemId);
        scanner.setLocator(loc);

        scanner.setContentHandler(getParserHandler(systemId));
        scanner.scan(element);
    } catch (SAXException e) {
        // since parsing DOM shouldn't cause a SAX exception
        // and our handler will never throw it, it's not clear
        // if this will ever happen.
        fatalError(new SAXParseException2(
            e.getMessage(), null, systemId,-1,-1, e));
    }
}