code: private StringBuffer executeUnitaryPostProcessing(JoinableResourceBundle bundle, BundleProcessingStatus status,
  			StringBuffer content, ResourceBundlePostProcessor defaultPostProcessor) {
  
  		StringBuffer bundleData = new StringBuffer();
  		status.setProcessingType(BundleProcessingStatus.FILE_PROCESSING_TYPE);
  		if (null != bundle.getUnitaryPostProcessor()) {
  			StringBuffer resourceData = bundle.getUnitaryPostProcessor().postProcessBundle(status, content);
  			bundleData.append(resourceData);
  		} else if (null != defaultPostProcessor) {
  			if (LOGGER.isDebugEnabled())
  				LOGGER.debug("POSTPROCESSING UNIT:" + status.getLastPathAdded());
  			StringBuffer resourceData = defaultPostProcessor.postProcessBundle(status, content);
  			bundleData.append(resourceData);
  		} else {
  			bundleData = content;
  		}
  
  		return bundleData;
  	}
docs: Executes the unitary resource post processing
  
  @param bundle
  the bundle
  @param status
  the bundle processing status
  @param content
  the content to process
  @return the processed content