@SuppressWarnings("unchecked")
protected static List runSmooksTransform() throws IOException, SAXException, SmooksException {
Smooks smooks = new Smooks();
try {
// ****
// And here's the configuration... configuring the CSV reader and
// the direct
// binding config to create a List of Person objects
// (List<Person>)...
// ****
smooks.setReaderConfig(
new CSVReaderConfigurator("firstName,lastName,gender,age,country")
.setBinding(new CSVBinding("customerList", Customer.class, CSVBindingType.LIST)));
// Configure the execution context to generate a report...
ExecutionContext executionContext = smooks.createExecutionContext();
executionContext.setEventListener(new HtmlReportGenerator("target/report/report.html"));
JavaResult javaResult = new JavaResult();
smooks.filterSource(executionContext, new StringSource(messageIn), javaResult);
return (List) javaResult.getBean("customerList");
} finally {
smooks.close();
}
}
public void visitBefore(SAXElement element, ExecutionContext executionContext)
throws SmooksException, IOException {
Result result = FilterResult.getResult(executionContext, JavaResult.class);
if (result != null) {
Map beans = new HashMap();
((JavaResult) result).setResultMap(beans);
beans.put("theBean", "Hi there!");
}
}
public Map insertFilter(Source source) {
JavaResult result = new JavaResult();
// preserve the previous classloader, While we make Smooks aware of the Drools classloader
ClassLoader previousClassLoader = Thread.currentThread().getContextClassLoader();
Thread.currentThread()
.setContextClassLoader(
((InternalRuleBase) this.session.getRuleBase()).getRootClassLoader());
ExecutionContext executionContext = this.smooks.createExecutionContext();
// Filter the input message to extract, using the execution context...
smooks.filter(source, result, executionContext);
Thread.currentThread().setContextClassLoader(previousClassLoader);
Map handles = new HashMap<FactHandle, Object>();
Object object = result.getBean(this.configuration.getRoodId());
if (object == null) {
return handles;
}
if (this.getterExpr != null) {
Iterable it = (Iterable) MVEL.executeExpression(this.getterExpr, object);
if (it != null) {
for (Object item : it) {
FactHandle handle = this.session.insert(item);
handles.put(handle, object);
}
}
} else {
FactHandle handle = this.session.insert(object);
handles.put(handle, object);
}
return handles;
}
