/jboss-as-7.1.1.Final/deployment-scanner/src/main/java/org/jboss/as/server/deployment/scanner/XmlCompletionScanner.java

# · Java · 48 lines · 33 code · 10 blank · 5 comment · 0 complexity · aee92d42fed62bb346c765543c75018f MD5 · raw file

  1. package org.jboss.as.server.deployment.scanner;
  2. import java.io.File;
  3. import java.io.IOException;
  4. import javax.xml.parsers.ParserConfigurationException;
  5. import javax.xml.parsers.SAXParser;
  6. import javax.xml.parsers.SAXParserFactory;
  7. import org.xml.sax.SAXException;
  8. import org.xml.sax.SAXParseException;
  9. import org.xml.sax.helpers.DefaultHandler;
  10. /**
  11. * Determines if an XML document is well formed, to prevent half copied XML files from being deployed
  12. *
  13. * @author Stuart Douglas
  14. */
  15. public class XmlCompletionScanner {
  16. public static boolean isCompleteDocument(final File file) throws IOException {
  17. ErrorHandler handler = new ErrorHandler();
  18. try {
  19. SAXParserFactory factory = SAXParserFactory.newInstance();
  20. factory.setValidating(false);
  21. final SAXParser parser = factory.newSAXParser();
  22. parser.parse(file, handler);
  23. } catch (ParserConfigurationException e) {
  24. throw new RuntimeException(e);
  25. } catch (SAXException e) {
  26. DeploymentScannerLogger.ROOT_LOGGER.debugf(e, "Exception parsing scanned XML document %s", file);
  27. return false;
  28. }
  29. return !handler.error;
  30. }
  31. private static class ErrorHandler extends DefaultHandler {
  32. private boolean error = false;
  33. @Override
  34. public void error(final SAXParseException e) throws SAXException {
  35. error = true;
  36. }
  37. }
  38. }