private TransformerFactory<?> getTransformerFactory(TransformModel transformModel) {
TransformerFactoryClass transformerFactoryClass =
transformModel.getClass().getAnnotation(TransformerFactoryClass.class);
if (transformerFactoryClass == null) {
TransformMessages.MESSAGES.transformModelNotAnnotated(transformModel.getClass().getName());
}
Class<?> factoryClass = transformerFactoryClass.value();
if (!TransformerFactory.class.isAssignableFrom(factoryClass)) {
TransformMessages.MESSAGES.invalidTransformerFactory(
org.switchyard.transform.internal.TransformerFactory.class.getName());
}
try {
if (!_transformerFactories.containsKey(factoryClass)) {
TransformerFactory<?> factory = (TransformerFactory<?>) factoryClass.newInstance();
_transformerFactories.put(factoryClass, factory);
}
return _transformerFactories.get(factoryClass);
} catch (ClassCastException e) {
throw TransformMessages.MESSAGES.failedCreateInstanceofTransformerFactory(
factoryClass.getName());
} catch (IllegalArgumentException iae) {
throw TransformMessages.MESSAGES.failedCreateInstanceofTransformerFactory(
factoryClass.getName());
} catch (NullPointerException npe) {
throw TransformMessages.MESSAGES.failedCreateInstanceofTransformerFactory(
factoryClass.getName());
} catch (InstantiationException ie) {
throw TransformMessages.MESSAGES.failedCreateInstanceofTransformerFactory(
factoryClass.getName());
} catch (IllegalAccessException iae) {
throw TransformMessages.MESSAGES.failedCreateInstanceofTransformerFactory(
factoryClass.getName());
}
}
