Jena 解析 TTL格式文件

import java.io.InputStream;
import java.util.*;

import org.apache.jena.rdf.model.Model;
import org.apache.jena.rdf.model.ModelFactory;
import org.apache.jena.rdf.model.RDFNode;
import org.apache.jena.rdf.model.Resource;
import org.apache.jena.rdf.model.Statement;
import org.apache.jena.rdf.model.StmtIterator;
import org.apache.jena.util.FileManager;

public class parseTTL {
    public static void parsettl(String fileName){
        Model model = ModelFactory.createDefaultModel();  
        InputStream in = FileManager.get().open(fileName);  
        if (in == null)   
        {  
            throw new IllegalArgumentException("File: " + fileName + " not found");  
        }  
  
        model.read(in, "","TTL");  
        StmtIterator iter = model.listStatements();  
  
        while (iter.hasNext())   
        {  
            Statement stmt = iter.nextStatement();  
            String subject = stmt.getSubject().toString(); 
            String predicate = stmt.getPredicate().toString();
            RDFNode object = stmt.getObject();  
            
            if (object instanceof Resource)   //宾语为新的实体
            {  
                System.out.print(" 宾语 " + object);  
            }  
            else {// 宾语为字面量  
                System.out.print("宾语 \"" + object.toString() + "\"");  
            }   
        }
    }
    public static void main(String[] args){
        String fileName = "F:\\DataSet\\dbpedia\\anchor_text_en.ttl";
        parsettl(fileName);
    }
}