/* * (c) Copyright 2003, 2004, Hewlett-Packard Development Company, LP * All rights reserved. * [See end of file] * $Id: Tutorial10.java,v 1.4 2009/01/16 17:23:58 andy_seaborne Exp $ */ package jena.examples.rdf ; import com.hp.hpl.jena.rdf.model.*; import com.hp.hpl.jena.util.FileManager; import com.hp.hpl.jena.vocabulary.*; import java.io.InputStream; import java.io.InputStreamReader; import java.io.PrintWriter; /** Tutorial 10 - demonstrate a container * * @author bwm - updated by kers/Daniel * @version Release='$Name: $' Revision='$Revision: 1.4 $' Date='$Date: 2009/01/16 17:23:58 $' */ public class Tutorial10 extends Object { static final String inputFileName = "vc-db-1.rdf"; public static void main (String args[]) { // create an empty model Model model = ModelFactory.createDefaultModel(); // use the class loader 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), ""); // create a bag Bag smiths = model.createBag(); // select all the resources with a VCARD.FN property // whose value ends with "Smith" StmtIterator iter = model.listStatements( new SimpleSelector(null, VCARD.FN, (RDFNode) null) { @Override public boolean selects(Statement s) { return s.getString().endsWith("Smith"); } }); // add the Smith's to the bag while (iter.hasNext()) { smiths.add( iter.nextStatement().getSubject()); } // print the graph as RDF/XML model.write(new PrintWriter(System.out)); System.out.println(); // print out the members of the bag NodeIterator iter2 = smiths.iterator(); if (iter2.hasNext()) { System.out.println("The bag contains:"); while (iter2.hasNext()) { System.out.println(" " + ((Resource) iter2.next()) .getRequiredProperty(VCARD.FN) .getString()); } } else { System.out.println("The bag is empty"); } } } /* * (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. */