/*
* 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.security.utils;
import com.hp.hpl.jena.rdf.model.RDFList;
import com.hp.hpl.jena.rdf.model.Statement;
import com.hp.hpl.jena.util.iterator.Filter;
import com.hp.hpl.jena.vocabulary.RDF;
import java.util.Set;
import org.apache.jena.security.SecurityEvaluator;
import org.apache.jena.security.SecurityEvaluator.Action;
import org.apache.jena.security.impl.SecuredItem;
import org.apache.jena.security.impl.SecuredItemImpl;
public class RDFListSecFilter<T extends RDFList> extends Filter<T>
{
private SecuredItem securedItem;
private Set<Action> perms;
public RDFListSecFilter( final SecuredItem securedItem, final Action perm )
{
this(securedItem, SecurityEvaluator.Util.asSet(new Action[] { perm }));
}
public RDFListSecFilter( final SecuredItem securedItem,
final Set<Action> perms )
{
this.securedItem = securedItem;
this.perms = perms;
}
@Override
public boolean accept( final RDFList o )
{
final Statement s = o.getRequiredProperty(RDF.first);
return securedItem.getSecurityEvaluator().evaluate(perms,
securedItem.getModelNode(),
SecuredItemImpl.convert(s.asTriple()));
}
}