60 lines
1.8 KiB
Java
60 lines
1.8 KiB
Java
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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package netscape.softupdate;
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import java.util.Enumeration;
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import java.util.NoSuchElementException;
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import netscape.security.PrivilegeManager;
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/**
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* Helper class used to enumerate Registry subkeys
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* @see RegistryNode#entries
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*/
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final class RegEntryEnumerator implements Enumeration {
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private String name = "";
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private Registry reg = null;
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private int key = 0;
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private int state = 0;
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private String target;
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RegEntryEnumerator(Registry registry, int startKey, String targ)
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{
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reg = registry;
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key = startKey;
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target = targ;
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}
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public boolean hasMoreElements() {
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PrivilegeManager.checkPrivilegeEnabled( target );
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String tmp = regNext(false);
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return (tmp != null);
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}
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public Object nextElement() {
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PrivilegeManager.checkPrivilegeEnabled( target );
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name = regNext(true);
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if (name == null) {
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throw new NoSuchElementException("RegEntryEnumerator");
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}
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return name;
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}
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private native String regNext(boolean skip);
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}
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