code: public void copyResourceToClassesOutput(String path, String filename) {
  		String fullpath = path + ProcessorConstants.SEPARATORCHAR + filename;
  		messager.printMessage(Diagnostic.Kind.MANDATORY_WARNING, " javascript copy js : " + fullpath + " to : class dir");
  		try (Writer writer = getFileObjectWriterInClassOutput("", filename)) {
  			bodyWriter.write(writer, OcelotProcessor.class.getResourceAsStream(fullpath));
  		} catch (IOException ex) {
  			messager.printMessage(Diagnostic.Kind.MANDATORY_WARNING, " FAILED TO CREATE : " + fullpath + " : " + ex.getMessage());
  		}
  	}
docs: Copy path/filename, from jar ocelot-processor in classes directory of current project/module
  @param path
  @param filename