code: @Override
  	protected Reader generateResource(String path, GeneratorContext context) {
  
  		Reader rd = null;
  		if (FileNameUtils.isExtension(path, JawrConstant.JS_TYPE)) {
  			rd = helper.createResource(context);
  			String filePath = helper.getFilePath(path);
  			if (filePath != null) {
  				long lastModified = rsHandler.getLastModified(filePath);
  				FilePathMapping fMapping = new FilePathMapping(filePath, lastModified);
  				addLinkedResources(path, context, fMapping);
  			}
  		}
  		return rd;
  	}
docs: /*
  (non-Javadoc)
  
  @see net.jawr.web.resource.bundle.generator.AbstractCachedGenerator#
  generateResource(net.jawr.web.resource.bundle.generator.GeneratorContext,
  java.lang.String)