code: @Override
  	public void setCustomPostprocessors(Map<String, String> keysClassNames) {
  		for (Entry<String, String> entry : keysClassNames.entrySet()) {
  			ResourceBundlePostProcessor customProcessor = (ResourceBundlePostProcessor) ClassLoaderResourceUtils
  					.buildObjectInstance((String) entry.getValue());
  			boolean isVariantPostProcessor = customProcessor.getClass()
  					.getAnnotation(VariantPostProcessor.class) != null;
  
  			if (customProcessor instanceof BundlingProcessLifeCycleListener) {
  				listeners.add((BundlingProcessLifeCycleListener) customProcessor);
  			}
  			String key = (String) entry.getKey();
  			customPostProcessors.put(key, getCustomProcessorWrapper(customProcessor, key, isVariantPostProcessor));
  		}
  	}
docs: /*
  (non-Javadoc)
  
  @see
  net.jawr.web.resource.bundle.factory.processor.PostProcessorChainFactory#
  setCustomPostprocessors(java.util.Map)