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Jena is a Java framework for building Semantic Web applications. It provides a programmatic environment for RDF, RDFS and OWL, SPARQL and includes a rule-based inference engine.
/*
(c) Copyright 2005, 2006, 2007, 2008, 2009 Hewlett-Packard Development Company, LP
All rights reserved - see end of file.
$Id: CannotConstructException.java,v 1.10 2009/01/26 17:35:45 chris-dollin Exp $
*/
package com.hp.hpl.jena.assembler.exceptions;
import com.hp.hpl.jena.assembler.Assembler;
import com.hp.hpl.jena.rdf.model.Resource;
/**
Exception used to report a failure of a group assembler to construct an
object because there is no component assembler associated with the
object's most specific type.
@author kers
*/
public class CannotConstructException extends AssemblerException
{
protected final Resource type;
protected final Class assemblerClass;
public CannotConstructException( Class assemblerClass, Resource root, Resource type )
{
super( root, constructMessage( assemblerClass, root, type ) );
this.type = type;
this.assemblerClass = assemblerClass;
}
private static String constructMessage( ClassassemblerClass, Resource root, Resource type )
{
return
"the assembler " + getClassName( assemblerClass )
+ " cannot construct the object named " + nice( root )
+ " because it is not of rdf:type " + nice( type )
;
}
private static final String rootPrefix = getPackagePrefix( Assembler.class.getName() );
private static String getClassName( Class c )
{
String name = c.getName();
return getPackagePrefix( name ).equals( rootPrefix ) ? getLeafName( name ) : name;
}
private static String getLeafName( String name )
{ return name.substring( name.lastIndexOf( '.' ) + 1 ); }
private static String getPackagePrefix( String name )
{ return name.substring( 0, name.lastIndexOf( '.' ) ); }
/**
Answer the Assembler that cannot do the construction.
*/
public Class getAssemblerClass()
{ return assemblerClass; }
/**
Answer the (alleged most-specific) type of the object that could not be
constructed.
*/
public Resource getType()
{ return type; }
}
/*
* (c) Copyright 2005, 2006, 2007, 2008, 2009 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.
*/