/*
* 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.permissions.utils;
import java.util.Set;
import java.util.function.Predicate;
import org.apache.jena.permissions.SecuredItem;
import org.apache.jena.permissions.SecurityEvaluator;
import org.apache.jena.permissions.SecurityEvaluator.Action;
import org.apache.jena.rdf.model.RDFList;
import org.apache.jena.rdf.model.Statement;
import org.apache.jena.shared.AuthenticationRequiredException;
import org.apache.jena.vocabulary.RDF;
public class RDFListSecFilter<T extends RDFList> implements Predicate<T> {
private final SecuredItem securedItem;
private final Set<Action> perms;
private final Object principal;
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;
this.principal = securedItem.getSecurityEvaluator().getPrincipal();
}
@Override
public boolean test(final RDFList o) throws AuthenticationRequiredException {
final Statement s = o.getRequiredProperty(RDF.first);
return securedItem.getSecurityEvaluator().evaluate(principal, perms,
securedItem.getModelNode(), s.asTriple());
}
}