public void transform(XmlConfiguration configuration) {
InputStream in = null;
Document doc = null;
String xmlFile = configuration.getFileName();
try {
displayMessageln(xmlFile);
in = new BufferedInputStream(new FileInputStream(xmlFile));
DocumentBuilderFactory docFactory = DocumentBuilderFactory.newInstance();
docFactory.setValidating(false);
docFactory.setIgnoringElementContentWhitespace(false);
DocumentBuilder docBuilder = docFactory.newDocumentBuilder();
docBuilder.setEntityResolver(new ClasspathEntityResolver(null));
doc = docBuilder.parse(in);
applyTransformation(configuration, doc);
} catch (SAXException ex) {
Logger.getLogger(XPathTransformer.class.getName()).log(Level.SEVERE, null, ex);
} catch (ParserConfigurationException ex) {
Logger.getLogger(XPathTransformer.class.getName()).log(Level.SEVERE, null, ex);
} catch (IOException ioex) {
Logger.getLogger(XPathTransformer.class.getName()).log(Level.SEVERE, null, ioex);
} finally {
IOUtils.closeQuietly(in);
}
if (doc != null) {
saveDoc(xmlFile, doc);
}
}
/**
* Transform the DOM tree using the configuration.
*
* @param configuration the transformation configuration.
* @param doc the DOM tree to be updated.
*/
protected void applyTransformation(XmlConfiguration configuration, Document doc) {
List<Parameter> parameters = configuration.getParameters();
for (Parameter parameter : parameters) {
displayMessageln("\t" + parameter.getKey() + " (mode:" + parameter.getMode() + ")");
Node rootXpathNode = getMatchingNode(parameter.getKey(), doc);
if (rootXpathNode != null) {
for (Value value : parameter.getValues()) {
switch (value.getMode()) {
case XmlTreeHandler.MODE_INSERT:
{
createNewNode(doc, rootXpathNode, value);
}
break;
case XmlTreeHandler.MODE_DELETE:
{
Node deletedNode = getMatchingNode(value.getLocation(), rootXpathNode);
rootXpathNode.removeChild(deletedNode);
}
break;
case XmlTreeHandler.MODE_UPDATE:
{
Node oldNode = getMatchingNode(value.getLocation(), rootXpathNode);
if (oldNode == null) {
createNewNode(doc, rootXpathNode, value);
} else {
if (rootXpathNode.equals(oldNode)) {
rootXpathNode = rootXpathNode.getParentNode();
}
Node newNode = oldNode.cloneNode(true);
if (oldNode instanceof Element) {
((Element) newNode).setTextContent(value.getValue());
rootXpathNode.replaceChild(newNode, oldNode);
} else {
((Attr) newNode).setValue(value.getValue());
rootXpathNode.getAttributes().setNamedItem(newNode);
}
}
break;
}
}
}
}
}
}
/**
* Loads jetty configuration from the given URL.
*
* @param cfgUrl URL to load configuration from.
* @throws GridException if load failed.
*/
private void loadJettyConfiguration(@Nullable URL cfgUrl) throws GridException {
if (cfgUrl == null) {
HttpConfiguration httpCfg = new HttpConfiguration();
httpCfg.setSecureScheme("https");
httpCfg.setSecurePort(8443);
httpCfg.setSendServerVersion(true);
httpCfg.setSendDateHeader(true);
String srvPortStr = System.getProperty(GG_JETTY_PORT, "8080");
int srvPort;
try {
srvPort = Integer.valueOf(srvPortStr);
} catch (NumberFormatException ignore) {
throw new GridException(
"Failed to start Jetty server because GRIDGAIN_JETTY_PORT system property "
+ "cannot be cast to integer: "
+ srvPortStr);
}
httpSrv = new Server(new QueuedThreadPool(20, 200));
ServerConnector srvConn = new ServerConnector(httpSrv, new HttpConnectionFactory(httpCfg));
srvConn.setHost(System.getProperty(GG_JETTY_HOST, "localhost"));
srvConn.setPort(srvPort);
srvConn.setIdleTimeout(30000L);
srvConn.setReuseAddress(true);
httpSrv.addConnector(srvConn);
httpSrv.setStopAtShutdown(false);
} else {
XmlConfiguration cfg;
try {
cfg = new XmlConfiguration(cfgUrl);
} catch (FileNotFoundException e) {
throw new GridSpiException("Failed to find configuration file: " + cfgUrl, e);
} catch (SAXException e) {
throw new GridSpiException("Failed to parse configuration file: " + cfgUrl, e);
} catch (IOException e) {
throw new GridSpiException("Failed to load configuration file: " + cfgUrl, e);
} catch (Exception e) {
throw new GridSpiException(
"Failed to start HTTP server with configuration file: " + cfgUrl, e);
}
try {
httpSrv = (Server) cfg.configure();
} catch (Exception e) {
throw new GridException("Failed to start Jetty HTTP server.", e);
}
}
assert httpSrv != null;
httpSrv.setHandler(jettyHnd);
override(getJettyConnector());
}
