code: @Override
  	public InputStream getResourceAsStream(String resourceName, boolean processingBundle) {
  
  		String path = resourceName;
  		GeneratorRegistry generatorRegistry = jawrConfig.getGeneratorRegistry();
  		if (generatorRegistry.isGeneratedBinaryResource(path)) {
  			path = path.replace(':', '/');
  			path = JawrConstant.SPRITE_GENERATED_IMG_DIR + path;
  		}
  
  		return ((StreamResourceReader) resourceReader).getResourceAsStream(path, processingBundle);
  	}
docs: /*
  (non-Javadoc)
  
  @see net.jawr.web.resource.handler.reader.StreamResourceReader#
  getResourceAsStream(net.jawr.web.resource.bundle.JoinableResourceBundle,
  java.lang.String, boolean)