/*
(c) Copyright 2006, 2007, 2008 Hewlett-Packard Development Company, LP
All rights reserved.
$Id: FormattedItemRenderer.java,v 1.4 2009/01/29 13:39:19 chris-dollin Exp $
*/
package com.hp.hpl.jena.eyeball.renderers;
import java.io.PrintStream;
import java.util.List;
import com.hp.hpl.jena.extras.tools.query.*;
import com.hp.hpl.jena.eyeball.PredicateRegister;
import com.hp.hpl.jena.eyeball.util.Bool;
import com.hp.hpl.jena.eyeball.vocabulary.*;
import com.hp.hpl.jena.graph.Node;
import com.hp.hpl.jena.rdf.model.*;
import com.hp.hpl.jena.util.iterator.ExtendedIterator;
public class FormattedItemRenderer implements ItemRenderer
{
protected final RendererServices services;
protected final PredicateRegister register;
protected final Resource config;
public FormattedItemRenderer
( Resource config, RendererServices services, PredicateRegister register )
{
this.config = config;
this.services = services;
this.register = register;
}
protected String stringFor( Resource main, Resource sub )
{
if (main != null)
{
// the ?x where main format [on sub & use ?x].
ModelQuery mq = ModelQuery.create();
QueryVariable X = mq.createVariable(), Y = mq.createVariable();
mq
.add( config, EYE.formats, main ).add( main, EYE.format, X )
.add( X, EYE.forPredicate, sub ).add( X, EYE.useFormat, Y )
;
ExtendedIterator<? extends List<Node>> results = mq.run( config.getModel() );
if (results.hasNext())
return Y.literal( results.next() ).getLexicalForm();
}
return "<LP>: <DO>";
}
public void render( PrintStream out, Resource item )
{
Bool extra = new Bool();
Statement mainS = item.getProperty( EyeballReporting.mainProperty );
Resource main = mainS == null ? null : mainS.getResource();
out.println();
if (item.hasProperty( EYE.onStatement ))
{
services.renderStatement( out, item.getProperty( EYE.onStatement ).getResource() );
extra.value = true;
}
List<Property> p = register.getRegisteredPredicates();
for (int i = 0; i < p.size(); i += 1)
renderProperty( out, extra, main, item.listProperties( p.get(i) ) );
}
protected void renderProperty( PrintStream out, Bool extra, Resource main, StmtIterator statements )
{
while (statements.hasNext())
{
Statement statement = statements.nextStatement();
Property predicate = statement.getPredicate();
if (extra.value) out.print( " " );
String format = stringFor( main, predicate );
String toDisplay = format
.replaceAll( "<LP>", services.getLabel( predicate ) )
.replaceAll( "<DO>", services.getDisplay( statement.getObject() ) )
;
// out.println( et.getLabel( predicate ) + ": " + et.getDisplay( statement.getObject() ) );
out.println( toDisplay );
extra.value = true;
}
}
}
/*
* (c) Copyright 2007 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.
*/