@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;
}
boolean isSaxonTransformer(Transformer transformer) {
return transformer.getClass().getName().startsWith("net.sf.saxon");
}
boolean isXalanTransformer(Transformer transformer) {
return transformer.getClass().getName().startsWith("org.apache.xalan.transformer");
}