tutorial06.java

RDF的解析例程

/*
 * (c) Copyright 2003, 2004, Hewlett-Packard Development Company, LP
 * All rights reserved.
 * [See end of file]
 * $Id: Tutorial06.java,v 1.3 2005/10/06 17:49:05 andy_seaborne Exp $
 */


import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.HashMap;

import com.hp.hpl.jena.rdf.model.Model;
import com.hp.hpl.jena.rdf.model.ModelFactory;
import com.hp.hpl.jena.rdf.model.Resource;
import com.hp.hpl.jena.util.FileManager;

/** Tutorial navigating a model
 *
 * @author  bwm - updated by kers/Daniel
 * @version Release='$Name:  $' Revision='$Revision: 1.3 $' Date='$Date: 2005/10/06 17:49:05 $'
 */
public class Tutorial06 extends Object {
    
    static final String inputFileName = "1.rdf";
    static final String johnSmithURI = "HardwarePlatform";
    
    public static void main (String args[]) {
        // create an empty model
        Model model = ModelFactory.createDefaultModel();       
        // use the FileManager to find the input file
        InputStream in = FileManager.get().open(inputFileName);
        if (in == null) {
            throw new IllegalArgumentException( "File: " + inputFileName + " not found");
        }
        
        // read the RDF/XML file
        model.read(new InputStreamReader(in), "");
        
        // retrieve the Adam Smith vcard resource from the model
        Resource vcard = model.getResource(johnSmithURI);

        // retrieve the value of the N property
       /* try{
        Resource name = (Resource) vcard.getRequiredProperty(Mobile.BitsPerPixel)
                                        .getObject();
        }
        catch( Exception PropertyNotFoundException) 
        {
        	
        }
        */
        // retrieve the given name property
        
        String BitsPerPixel = vcard.getProperty(Mobile.BitsPerPixel).getString();
        String ScreenSize =   vcard.getProperty(Mobile.ScreenSize).getString();
        String Cmode = vcard.getProperty(Mobile.Model).getString();
        
        HashMap Value = new HashMap();
        Value.put("BitsPerPixel",  BitsPerPixel );
        Value.put("ScreenSize",  ScreenSize );
        Value.put("Cmode ",  Cmode  );
        
        
        System.out.println(Value);
       
        
        
        
        
        
 
        // set up the output
   
    }
}

/*
 * (c) Copyright 2003, 2004 Hewlett-Packard Development Company, LP
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */