1/*
2 *  Licensed to the Apache Software Foundation (ASF) under one or more
3 *  contributor license agreements.  See the NOTICE file distributed with
4 *  this work for additional information regarding copyright ownership.
5 *  The ASF licenses this file to You under the Apache License, Version 2.0
6 *  (the "License"); you may not use this file except in compliance with
7 *  the License.  You may obtain a copy of the License at
8 *
9 *     http://www.apache.org/licenses/LICENSE-2.0
10 *
11 *  Unless required by applicable law or agreed to in writing, software
12 *  distributed under the License is distributed on an "AS IS" BASIS,
13 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 *  See the License for the specific language governing permissions and
15 *  limitations under the License.
16 */
17
18package org.apache.harmony.security.tests.support.acl;
19
20import java.security.acl.Acl;
21import java.util.*;
22
23final class AclEnumerator implements Enumeration {
24
25    Acl acl;
26    Enumeration u1;
27    Enumeration u2;
28    Enumeration g1;
29    Enumeration g2;
30
31    AclEnumerator(Acl acl1, Hashtable hashtable, Hashtable hashtable1, Hashtable hashtable2, Hashtable hashtable3) {
32        acl = acl1;
33        u1 = hashtable.elements();
34        u2 = hashtable2.elements();
35        g1 = hashtable1.elements();
36        g2 = hashtable3.elements();
37    }
38
39    public boolean hasMoreElements() {
40        return u1.hasMoreElements() || u2.hasMoreElements() || g1.hasMoreElements() || g2.hasMoreElements();
41    }
42
43    public Object nextElement() {
44        Acl acl1 = acl;
45        if(u2.hasMoreElements()) return u2.nextElement();
46        if(g1.hasMoreElements()) return g1.nextElement();
47        if(u1.hasMoreElements()) return u1.nextElement();
48        if(g2.hasMoreElements()) return g2.nextElement();
49        return acl1;
50    }
51}