Esempio n. 1
0
  @Override
  protected void doStart() throws Exception {
    ObjectHelper.notNull(camelContext, "camelContext", this);

    // create a transformer to see if its saxon, as we then need to do some initial preparation
    Transformer t = getTemplate().newTransformer();

    if (isSaxonTransformer(t)) {
      // pre-load saxon classes as we need to call the setMessageEmitter on the transformer to hook
      // saxon to use the JAXP
      // error listener, so we can capture errors and xsl:message outputs which end users may define
      // in the xslt files
      try {
        saxonReceiverClass =
            getCamelContext()
                .getClassResolver()
                .resolveMandatoryClass("net.sf.saxon.event.Receiver");
        saxonWarnerClass =
            getCamelContext()
                .getClassResolver()
                .resolveMandatoryClass("net.sf.saxon.serialize.MessageWarner");
        setMessageEmitterMethod = t.getClass().getMethod("setMessageEmitter", saxonReceiverClass);
      } catch (Exception e) {
        throw new IllegalStateException(
            "Error pre-loading Saxon classes. Make sure you have saxon on the classpath,"
                + " and the classloader can load the following two classes: net.sf.saxon.event.Receiver, net.sf.saxon.serialize.MessageWarner.",
            e);
      }
    }
  }
 public void configure(CompassSettings settings) throws CompassException {
   try {
     this.documentBuilder = doCreateDocumentBuilder(settings);
   } catch (ParserConfigurationException e) {
     throw new ConfigurationException("Failed to create document builder", e);
   }
   if (log.isDebugEnabled()) {
     log.debug("Using document builder [" + documentBuilder.getClass().getName() + "]");
   }
   try {
     this.transformer = doCreateTransformer(settings);
   } catch (TransformerConfigurationException e) {
     throw new ConfigurationException("Failed to create transformer", e);
   }
   if (log.isDebugEnabled()) {
     log.debug("Using transformer [" + transformer.getClass().getName() + "]");
   }
 }
  private boolean processOneXMLFile(
      String xmlfilename, String xslfilename, String outputfilename, Result result, Job parentJob) {
    boolean retval = false;
    FileObject xmlfile = null;
    FileObject xslfile = null;
    FileObject outputfile = null;

    try {
      xmlfile = KettleVFS.getFileObject(xmlfilename, this);
      xslfile = KettleVFS.getFileObject(xslfilename, this);
      outputfile = KettleVFS.getFileObject(outputfilename, this);

      if (xmlfile.exists() && xslfile.exists()) {
        if (outputfile.exists() && iffileexists == 2) {
          // Output file exists
          // User want to fail
          logError(
              BaseMessages.getString(PKG, "JobEntryXSLT.OuputFileExists1.Label")
                  + outputfilename
                  + BaseMessages.getString(PKG, "JobEntryXSLT.OuputFileExists2.Label"));
          return retval;

        } else if (outputfile.exists() && iffileexists == 1) {
          // Do nothing
          if (log.isDebug()) {
            logDebug(
                BaseMessages.getString(PKG, "JobEntryXSLT.OuputFileExists1.Label")
                    + outputfilename
                    + BaseMessages.getString(PKG, "JobEntryXSLT.OuputFileExists2.Label"));
          }
          retval = true;
          return retval;

        } else {
          if (outputfile.exists() && iffileexists == 0) {
            // the output file exists and user want to create new one with unique name
            // Format Date

            // Try to clean filename (without wildcard)
            String wildcard =
                outputfilename.substring(outputfilename.length() - 4, outputfilename.length());
            if (wildcard.substring(0, 1).equals(".")) {
              // Find wildcard
              outputfilename =
                  outputfilename.substring(0, outputfilename.length() - 4)
                      + "_"
                      + StringUtil.getFormattedDateTimeNow(true)
                      + wildcard;
            } else {
              // did not find wildcard
              outputfilename = outputfilename + "_" + StringUtil.getFormattedDateTimeNow(true);
            }
            if (log.isDebug()) {
              logDebug(
                  BaseMessages.getString(PKG, "JobEntryXSLT.OuputFileExists1.Label")
                      + outputfilename
                      + BaseMessages.getString(PKG, "JobEntryXSLT.OuputFileExists2.Label"));
              logDebug(
                  BaseMessages.getString(PKG, "JobEntryXSLT.OuputFileNameChange1.Label")
                      + outputfilename
                      + BaseMessages.getString(PKG, "JobEntryXSLT.OuputFileNameChange2.Label"));
            }
          }

          // Create transformer factory
          TransformerFactory factory = TransformerFactory.newInstance();

          if (xsltfactory.equals(FACTORY_SAXON)) {
            // Set the TransformerFactory to the SAXON implementation.
            factory = new net.sf.saxon.TransformerFactoryImpl();
          }

          if (log.isDetailed()) {
            log.logDetailed(
                BaseMessages.getString(PKG, "JobEntryXSL.Log.TransformerFactoryInfos"),
                BaseMessages.getString(
                    PKG, "JobEntryXSL.Log.TransformerFactory", factory.getClass().getName()));
          }

          InputStream xslInputStream = KettleVFS.getInputStream(xslfile);
          InputStream xmlInputStream = KettleVFS.getInputStream(xmlfile);
          OutputStream os = null;
          try {
            // Use the factory to create a template containing the xsl file
            Templates template = factory.newTemplates(new StreamSource(xslInputStream));

            // Use the template to create a transformer
            Transformer xformer = template.newTransformer();

            if (log.isDetailed()) {
              log.logDetailed(
                  BaseMessages.getString(PKG, "JobEntryXSL.Log.TransformerClassInfos"),
                  BaseMessages.getString(
                      PKG, "JobEntryXSL.Log.TransformerClass", xformer.getClass().getName()));
            }

            // Do we need to set output properties?
            if (setOutputProperties) {
              xformer.setOutputProperties(outputProperties);
            }

            // Do we need to pass parameters?
            if (useParameters) {
              for (int i = 0; i < nrParams; i++) {
                xformer.setParameter(nameOfParams[i], valueOfParams[i]);
              }
            }

            // Prepare the input and output files
            Source source = new StreamSource(xmlInputStream);
            os = KettleVFS.getOutputStream(outputfile, false);
            StreamResult resultat = new StreamResult(os);

            // Apply the xsl file to the source file and write the result to the output file
            xformer.transform(source, resultat);

            if (isAddFileToResult()) {
              // Add output filename to output files
              ResultFile resultFile =
                  new ResultFile(
                      ResultFile.FILE_TYPE_GENERAL,
                      KettleVFS.getFileObject(outputfilename, this),
                      parentJob.getJobname(),
                      toString());
              result.getResultFiles().put(resultFile.getFile().toString(), resultFile);
            }

            // Everything is OK
            retval = true;
          } finally {
            try {
              xslInputStream.close();
            } catch (IOException ignored) {
              // ignore IO Exception on close
            }
            try {
              xmlInputStream.close();
            } catch (IOException ignored) {
              // ignore IO Exception on close
            }
            try {
              if (os != null) {
                os.close();
              }
            } catch (IOException ignored) {
              // ignore IO Exception on close
            }
          }
        }
      } else {

        if (!xmlfile.exists()) {
          logError(
              BaseMessages.getString(PKG, "JobEntryXSLT.FileDoesNotExist1.Label")
                  + xmlfilename
                  + BaseMessages.getString(PKG, "JobEntryXSLT.FileDoesNotExist2.Label"));
        }
        if (!xslfile.exists()) {
          logError(
              BaseMessages.getString(PKG, "JobEntryXSLT.FileDoesNotExist1.Label")
                  + xmlfilename
                  + BaseMessages.getString(PKG, "JobEntryXSLT.FileDoesNotExist2.Label"));
        }
      }
    } catch (Exception e) {
      logError(
          BaseMessages.getString(PKG, "JobEntryXSLT.ErrorXLST.Label")
              + BaseMessages.getString(PKG, "JobEntryXSLT.ErrorXLSTXML1.Label")
              + xmlfilename
              + BaseMessages.getString(PKG, "JobEntryXSLT.ErrorXLSTXML2.Label")
              + BaseMessages.getString(PKG, "JobEntryXSLT.ErrorXLSTXSL1.Label")
              + xslfilename
              + BaseMessages.getString(PKG, "JobEntryXSLT.ErrorXLSTXSL2.Label")
              + e.getMessage());
    } finally {
      try {
        if (xmlfile != null) {
          xmlfile.close();
        }

        if (xslfile != null) {
          xslfile.close();
        }
        if (outputfile != null) {
          outputfile.close();
        }
      } catch (IOException e) {
        logError("Unable to close file", e);
      }
    }

    return retval;
  }
Esempio n. 4
0
 boolean isSaxonTransformer(Transformer transformer) {
   return transformer.getClass().getName().startsWith("net.sf.saxon");
 }
Esempio n. 5
0
 boolean isXalanTransformer(Transformer transformer) {
   return transformer.getClass().getName().startsWith("org.apache.xalan.transformer");
 }