`/*
* (c) Copyright 2003, 2004, Hewlett-Packard Development Company, LP
* All rights reserved.
* [See end of file]
* $Id: Tutorial10.java,v 1.3 2005/10/06 17:49:05 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: 1.3 $' Date='$Date: 2005/10/06 17:49:05 $'
*/
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) {
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.
*/`