import org.openrdf.rio.RDFParserFactory; //导入依赖的package包/类
@Before
public void setUp() throws Exception {
    initRepository();
    final RDFParserFactory factory = new SesameJSONLDParserFactory();
    this.parser = factory.getParser();
    parser.setRDFHandler(new StatementCopyingHandler(connection));

    this.objectMapper = new ObjectMapper();
    objectMapper.registerModule(new JsonLdModule());
}
 

import org.openrdf.rio.RDFParserFactory; //导入依赖的package包/类
@Test
public final void testLoadService() throws ClassNotFoundException, IOException{
	ServiceLoader<RDFParserFactory> loader = ServiceLoader.load(RDFParserFactory.class);
	for(RDFParserFactory rpf : loader){
		System.out.println(rpf);
	}
}
 

import org.openrdf.rio.RDFParserFactory; //导入依赖的package包/类
public static RDFParser getParser(String address, String rdfFormatName) throws BridgeDBException{
    RDFParserRegistry reg = RDFParserRegistry.getInstance();
    RDFFormat format = null;
    if (rdfFormatName == null || rdfFormatName.isEmpty()){
        if (address.endsWith(".gz")){
            address = address.substring(0, address.length()-3);
        }
        if (address.endsWith(".n3")){
            address = "try.ttl";
        }
        FileFormat fileFormat = reg.getFileFormatForFileName(address);
        if (fileFormat == null || !(fileFormat instanceof RDFFormat)){
            //added bridgeDB/OPS specific extension here if required.           
            logger.warn("OpenRDF does not know the RDF Format for " + address);
            logger.warn("Using the default format " + DEFAULT_PARSER);
            return DEFAULT_PARSER;
        }
        format = (RDFFormat)fileFormat;
    } else {
        for (RDFFormat rdfFormat:RDFFormat.values()){
            if (rdfFormat.getName().equalsIgnoreCase(rdfFormatName)){
                format = rdfFormat;
            }
            if (format == null){
                throw new BridgeDBException("No RdfFormat with name " + rdfFormatName + " known");
            }
        }
    }
    RDFParserFactory factory = reg.get(format);
    return factory.getParser();
}