org.wildfly.security.permission.IntersectionPermissionCollection Maven / Gradle / Ivy
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* Copyright 2016 Red Hat, Inc., and individual contributors
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* Licensed under the Apache License, Version 2.0 (the "License");
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* http://www.apache.org/licenses/LICENSE-2.0
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package org.wildfly.security.permission;
import java.security.Permission;
import java.security.PermissionCollection;
import java.util.Enumeration;
import org.wildfly.common.Assert;
final class IntersectionPermissionCollection extends PermissionCollection implements PermissionVerifier {
private static final long serialVersionUID = 8045087406778847303L;
private final PermissionCollection pc1;
private final PermissionCollection pc2;
IntersectionPermissionCollection(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() {
// TODO: this is theoretically possible to implement using an IntersectionCollectionPermission;
// however the primary use case is going to be in protection domains and verification scenarios so we may
// not ever actually need this
throw Assert.unsupported();
}
}