Jena读写RDF文件

这是一个jena读取RDF的例子

InputStream fs=FileManager.get().open("ontology""test.rdf");

       if(fs!=null)

       {

           Model model = ModelFactory.createDefaultModel();

           model.read(fs,"");

           model.write(System.out);

           try

           {

              FileOutputStream os=new FileOutputStream("ontology""test.rdf");

              model.write(os);

           }

           catch (IOException e)

           {

              // TODO Auto-generated catch block

              e.printStackTrace();

           }