net.sf.saxon.s9api.XsltTransformer Java Examples

@Override
protected boolean doProcess2(Record inputRecord, InputStream stream) throws SaxonApiException, XMLStreamException {
  incrementNumRecords();      
  for (Fragment fragment : fragments) {
    Record outputRecord = inputRecord.copy();
    removeAttachments(outputRecord);   
    XdmNode document = parseXmlDocument(stream);
    LOG.trace("XSLT input document: {}", document);
    XsltTransformer evaluator = fragment.transformer;
    evaluator.setInitialContextNode(document);
    XMLStreamWriter morphlineWriter = new MorphlineXMLStreamWriter(getChild(), outputRecord);
    evaluator.setDestination(new XMLStreamWriterDestination(morphlineWriter));
    evaluator.transform(); //  run the query and push into child via RecordXMLStreamWriter
  }      
  return true;
}
 

@Test
public void testProcessingError() throws IOException, SaxonApiException {
    final CheckAction.Bag bag = createBag(InputFactory.read(Simple.SIMPLE_VALID.toURL()), true);

    final Scenario scenario = bag.getScenarioSelectionResult().getObject();
    final XsltExecutable exec = mock(XsltExecutable.class);
    final XsltTransformer transformer = mock(XsltTransformer.class);
    doThrow(new SaxonApiException("invalid")).when(transformer).transform();
    when(exec.load()).thenReturn(transformer);
    final ResourceType resourceType = new ResourceType();
    resourceType.setName("invalid internal");
    scenario.setSchematronValidations(Collections.singletonList(new Transformation(exec, resourceType)));
    this.action.check(bag);
    assertThat(bag.getReportInput().getProcessingError().getError()).isNotEmpty();
}
 

@Test
public void testEvilStylesheets() throws IOException {
    final Processor p = TestObjectFactory.createProcessor();
    for (int i = 1; i <= 5; i++) {
        try {
            final URL resource = SaxonSecurityTest.class.getResource(String.format("/evil/evil%s.xsl", i));
            final XsltCompiler compiler = p.newXsltCompiler();
            final RelativeUriResolver resolver = new RelativeUriResolver(Simple.REPOSITORY_URI);
            compiler.setURIResolver(resolver);
            final XsltExecutable executable = compiler.compile(new StreamSource(resource.openStream()));
            final XsltTransformer transformer = executable.load();
            final Source document = InputFactory.read("<root/>".getBytes(), "dummy").getSource();
            // transformer.getUnderlyingController().setUnparsedTextURIResolver(resolver);
            transformer.setURIResolver(resolver);
            transformer.setSource(document);
            final XdmDestination result = new XdmDestination();
            transformer.setDestination(result);
            transformer.transform();

            // wenn der Punkt erreicht wird, sollte wenigstens, das Element evil nicht mit 'bösen' Inhalten gefüllt sein!
            if (StringUtils.isNotBlank(result.getXdmNode().getStringValue())) {
                fail(String.format("Saxon configuration should prevent expansion within %s", resource));
            }

        } catch (final SaxonApiException | RuntimeException e) {
            log.info("Expected exception detected {}", e.getMessage(), e);
        }
    }
}
 

public XdmNode executeTemplate(TemplateEntry template, XdmNode params,
        XPathContext context) throws Exception {
  if (stop) {
    throw new Exception("Execution was stopped by the user.");
  }
  XsltExecutable executable = engine.loadExecutable(template,
          opts.getSourcesName());
  XsltTransformer xt = executable.load();
  XdmDestination dest = new XdmDestination();
  xt.setDestination(dest);
  if (template.usesContext() && context != null) {
    xt.setSource((NodeInfo) context.getContextItem());
  } else {
    xt.setSource(new StreamSource(new StringReader("<nil/>")));
  }
      xt.setParameter(TECORE_QNAME, new ObjValue(this));
  if (params != null) {
          xt.setParameter(TEPARAMS_QNAME, params);
  }
  // test may set global verdict, e.g. by calling ctl:fail
  if (LOGR.isLoggable( FINE)) {
    LOGR.log( FINE,
            "Executing TemplateEntry {0}" + template.getQName());
  }
  xt.transform();
  XdmNode ret = dest.getXdmNode();
      if (ret != null && LOGR.isLoggable( FINE)) {
          LOGR.log( FINE, "Output:\n" + ret.toString());
      }
  return ret;
}
 

@Nullable
public final Document applySchematronValidation (@Nonnull final Node aXMLNode,
                                                 @Nullable final String sBaseURI) throws TransformerException
{
  ValueEnforcer.notNull (aXMLNode, "XMLNode");

  final ISchematronXSLTBasedProvider aXSLTProvider = getXSLTProvider ();
  if (aXSLTProvider == null || !aXSLTProvider.isValidSchematron ())
  {
    // We cannot progress because of invalid Schematron
    return null;
  }

  // Debug print the created XSLT document
  if (SchematronDebug.isShowCreatedXSLT ())
    LOGGER.info ("Created XSLT document: " + XMLWriter.getNodeAsString (aXSLTProvider.getXSLTDocument ()));

  // Create result document
  final Document ret = XMLFactory.newDocument ();

  // Create the transformer object from the templates specified in the
  // constructor
  final Transformer aTransformer = aXSLTProvider.getXSLTTransformer ();

  // Apply customizations
  // Ensure an error listener is present
  if (m_aCustomErrorListener != null)
    aTransformer.setErrorListener (m_aCustomErrorListener);
  else
    aTransformer.setErrorListener (new LoggingTransformErrorListener (Locale.US));

  // Set the optional URI Resolver
  if (m_aCustomURIResolver != null)
    aTransformer.setURIResolver (m_aCustomURIResolver);

  // Set all custom parameters
  if (m_aCustomParameters != null)
    for (final Map.Entry <String, ?> aEntry : m_aCustomParameters.entrySet ())
      aTransformer.setParameter (aEntry.getKey (), aEntry.getValue ());

  if (LOGGER.isDebugEnabled ())
    LOGGER.debug ("Applying Schematron XSLT on XML [start]");

  // Enable this for hardcore Saxon debugging only
  if (false)
    if (aTransformer.getClass ().getName ().equals ("net.sf.saxon.jaxp.TransformerImpl"))
    {
      final XsltTransformer aXT = ((TransformerImpl) aTransformer).getUnderlyingXsltTransformer ();

      aXT.setMessageListener ( (a,
                                b,
                                c,
                                d) -> LOGGER.info ("MessageListener2: " + a + ", " + b + ", " + c + ", " + d));
      aXT.setTraceFunctionDestination (new StandardLogger (System.err));
      if (false)
        aXT.getUnderlyingController ().setTraceListener (new XSLTTraceListener ());
      if (false)
      {
        final XSLTTraceListener aTL = new XSLTTraceListener ();
        aTL.setOutputDestination (new StandardLogger (System.err));
        aXT.getUnderlyingController ().setTraceListener (TraceEventMulticaster.add (aTL, null));
      }

      if (false)
        System.out.println ("mode=" + aXT.getInitialMode ());
      if (false)
        System.out.println ("temp=" + aXT.getInitialTemplate ());
      if (false)
        System.out.println (aTransformer.getOutputProperties ());
    }

  // Do the main transformation
  {
    final DOMSource aSource = new DOMSource (aXMLNode);
    aSource.setSystemId (sBaseURI);
    aTransformer.transform (aSource, new DOMResult (ret));
  }

  if (LOGGER.isDebugEnabled ())
    LOGGER.debug ("Applying Schematron XSLT on XML [end]");

  // Debug print the created SVRL document
  if (SchematronDebug.isShowCreatedSVRL ())
    LOGGER.info ("Created SVRL:\n" + XMLWriter.getNodeAsString (ret));

  return ret;
}
 

public Fragment(String fragmentPath, XsltTransformer transformer) {
  this.fragmentPath = fragmentPath;
  this.transformer = transformer;
}