org.wildfly.security.permission.UnionPermissionCollection Maven / Gradle / Ivy
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* 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.wildfly.security.permission;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.security.Permission;
import java.security.PermissionCollection;
import java.util.Enumeration;
final class UnionPermissionCollection extends PermissionCollection implements PermissionVerifier {
private static final long serialVersionUID = 6731525842957764833L;
private final PermissionCollection pc1;
private final PermissionCollection pc2;
UnionPermissionCollection(final PermissionCollection pc1, final PermissionCollection pc2) {
this.pc1 = pc1;
this.pc2 = pc2;
setReadOnly();
}
public void add(final Permission permission) {
throw ElytronMessages.log.readOnlyPermissionCollection();
}
public boolean implies(final Permission permission) {
return pc1.implies(permission) || pc2.implies(permission);
}
public Enumeration elements() {
final Enumeration e1 = pc1.elements();
final Enumeration e2 = pc2.elements();
return new Enumeration() {
public boolean hasMoreElements() {
return e1.hasMoreElements() || e2.hasMoreElements();
}
public Permission nextElement() {
return e1.hasMoreElements() ? e1.nextElement() : e2.nextElement();
}
};
}
private void readObject(ObjectInputStream ois) throws IOException, ClassNotFoundException {
ois.defaultReadObject();
if (pc1 == null) {
throw ElytronMessages.log.invalidObjectNull("pc1");
}
if (pc2 == null) {
throw ElytronMessages.log.invalidObjectNull("pc2");
}
}
}