Parese XML without DTD validation

Use the Saxparser...

import org.w3c.dom.Document;

JDom

private static Document getDocumentFromInputStreamTest(InputStream is, boolean validate) throws JDOMException, IOException {
       SAXBuilder parser = new SAXBuilder();
       parser.setEntityResolver(new EntityResolver() {
           public InputSource resolveEntity(String publicId, String systemId) {
               if (!validateUrl(systemId))
                   return new InputSource(new ByteArrayInputStream("".getBytes()));
               else
                   return null;
           }
       });

       return new org.jdom.output.DOMOutputter().output(parser.build(is));
   }

   public static final boolean validateUrl(String aURL) {
       try {
           java.net.URL url = new URL(aURL);
           if ("file".equals(url.getProtocol())) {
               File f = new File(url.getFile());
               if (f.isFile() && f.canRead())
                   return true;
           } else if ("http".equals(url.getProtocol())) {
               URL u = new URL(aURL);
               u.openStream();
               return true;
           }
       } catch (Exception e) {
       }
       return false;
   }