/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.jena.assembler;
import org.apache.jena.assembler.exceptions.AssemblerException ;
import org.apache.jena.rdf.model.* ;
/**
Exception used to report that the object of a statement is not a Resource.
The subject of the exception is treated as the root object. The nature of the
unsuitability is (currently) not described.
*/
public class BadObjectException extends AssemblerException
{
protected final RDFNode object;
public BadObjectException( Statement s )
{
super( s.getSubject(), makeMessage( s ) );
this.object = s.getObject();
}
private static String makeMessage( Statement s )
{
RDFNode subject = s.getObject();
return
"the " + typeOf( subject ) + " " + nice( subject )
+ " is unsuitable as the object of a " + nice( s.getPredicate() )
+ " statement";
}
private static String typeOf( RDFNode x )
{ return x.isAnon() ? "bnode" : x.isLiteral() ? "literal" : "resource"; }
public RDFNode getObject()
{ return object; }
}