/*
* JBoss, Home of Professional Open Source.
* Copyright 2016 Red Hat, Inc., and individual contributors
* as indicated by the @author tags.
*
* Licensed 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.keycloak.authorization.permission.evaluator;
import org.keycloak.authorization.Decision;
import org.keycloak.authorization.permission.ResourcePermission;
import org.keycloak.authorization.policy.evaluation.EvaluationContext;
import org.keycloak.authorization.policy.evaluation.PolicyEvaluator;
import java.util.Iterator;
/**
* @author <a href="mailto:psilva@redhat.com">Pedro Igor</a>
*/
class IterablePermissionEvaluator implements PermissionEvaluator {
private final Iterator<ResourcePermission> permissions;
private final EvaluationContext executionContext;
private final PolicyEvaluator policyEvaluator;
IterablePermissionEvaluator(Iterator<ResourcePermission> permissions, EvaluationContext executionContext, PolicyEvaluator policyEvaluator) {
this.permissions = permissions;
this.executionContext = executionContext;
this.policyEvaluator = policyEvaluator;
}
@Override
public void evaluate(Decision decision) {
try {
while (this.permissions.hasNext()) {
this.policyEvaluator.evaluate(this.permissions.next(), this.executionContext, decision);
}
decision.onComplete();
} catch (Throwable cause) {
decision.onError(cause);
}
}
}