/**
* Register a set of transformers in the transform registry associated with this deployment.
*
* @param transforms The transforms model.
* @param failOnError false to eat duplicate exceptions
* @throws DuplicateTransformerException an existing transformer has already been registered for
* the from and to types
*/
public void registerTransformers(TransformsModel transforms, boolean failOnError)
throws DuplicateTransformerException {
if (transforms == null) {
return;
}
try {
for (TransformModel transformModel : transforms.getTransforms()) {
Collection<Transformer<?, ?>> transformers = newTransformers(transformModel);
transformerLoop:
for (Transformer<?, ?> transformer : transformers) {
if (_transformerRegistry.hasTransformer(transformer.getFrom(), transformer.getTo())) {
Transformer<?, ?> registeredTransformer =
_transformerRegistry.getTransformer(transformer.getFrom(), transformer.getTo());
boolean test = false;
testLoop:
for (StackTraceElement ste : Thread.currentThread().getStackTrace()) {
if (ste.getClassName().startsWith("org.switchyard.test.")) {
test = true;
break testLoop;
}
}
String msg =
"Failed to register Transformer '"
+ toDescription(transformer)
+ "'. A Transformer for these types is already registered: '"
+ toDescription(registeredTransformer)
+ "'.";
if (test) {
_log.trace(msg);
} else if (failOnError) {
throw new DuplicateTransformerException(msg);
} else {
_log.debug(msg);
}
continue transformerLoop;
}
_log.debug(
"Adding transformer =>"
+ " From: "
+ transformer.getFrom()
+ ", To:"
+ transformer.getTo());
_transformerRegistry.addTransformer(transformer);
_transformers.add(transformer);
}
}
} catch (DuplicateTransformerException e) {
throw e;
} catch (RuntimeException e) {
// If there was an exception for any reason... remove all Transformer instance that have
// already been registered with the domain...
unregisterTransformers();
throw e;
}
}
private String toDescription(Transformer<?, ?> transformer) {
return transformer.getClass().getName()
+ "("
+ transformer.getFrom()
+ ", "
+ transformer.getTo()
+ ")";
}
@Override
public BaseTransformerRegistry addTransformer(Transformer<?, ?> transformer) {
_fallbackTransformers.clear();
_transformers.put(new NameKey(transformer.getFrom(), transformer.getTo()), transformer);
return this;
}
@Override
public boolean removeTransformer(Transformer<?, ?> transformer) {
_fallbackTransformers.clear();
return _transformers.remove(new NameKey(transformer.getFrom(), transformer.getTo())) != null;
}
