org.picketlink.idm.permission.spi.PermissionResolver Maven / Gradle / Ivy
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* JBoss, Home of Professional Open Source
*
* Copyright 2013 Red Hat, Inc. and/or its affiliates.
*
* 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.picketlink.idm.permission.spi;
import java.io.Serializable;
import java.util.List;
import org.picketlink.idm.model.IdentityType;
import org.picketlink.idm.permission.spi.PermissionVoter.VotingResult;
/**
* Iterates through the configured PermissionVoter instances to determine whether a resource permission
* is to be allowed or denied.
*
* @author Shane Bryzak
*/
public class PermissionResolver {
private final List voters;
public PermissionResolver(List voters) {
this.voters = voters;
}
public boolean resolvePermission(IdentityType recipient, Object resource, String operation) {
boolean permit = false;
for (PermissionVoter voter : voters) {
VotingResult result = voter.hasPermission(recipient, resource, operation);
if (VotingResult.ALLOW.equals(result)) {
permit = true;
}
else if (VotingResult.DENY.equals(result)) {
return false;
}
}
return permit;
}
public boolean resolvePermission(IdentityType recipient, Class resourceClass, Serializable identifier, String operation) {
boolean permit = false;
for (PermissionVoter voter : voters) {
VotingResult result = voter.hasPermission(recipient, resourceClass, identifier, operation);
if (VotingResult.ALLOW.equals(result)) {
permit = true;
}
else if (VotingResult.DENY.equals(result)) {
return false;
}
}
return permit;
}
}