in src/main/java/org/apache/sling/rewriter/impl/FactoryCache.java [160:167]
public Processor getProcessor(final String type) {
final ProcessorFactory factory = this.processorTracker.getFactory(type);
if ( factory == null ) {
LOGGER.debug("Requested processor factory for type '{}' not found.", type);
return null;
}
return factory.createProcessor();
}