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63 lines
2.4 KiB
Java
63 lines
2.4 KiB
Java
/* -*- Mode: Java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* ----- BEGIN LICENSE BLOCK -----
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is .
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*
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* The Initial Developer of the Original Code is Netscape Communications Corporation.
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* Portions created by Netscape Communications Corporation are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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* Patrick C. Beard <beard@netscape.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the LGPL or the GPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ----- END LICENSE BLOCK ----- */
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import java.util.Hashtable;
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/**
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* Provides a GC-able table of interned strings.
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*/
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class StringTable {
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private Hashtable strings = new Hashtable();
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public String intern(String str) {
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String result = (String) strings.get(str);
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if (result == null) {
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// copy the string, to trim to minimum size.
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result = str = new String(str);
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strings.put(str, str);
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}
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return result;
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}
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public String internAs(String key, String value) {
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value = new String(value);
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strings.put(key, value);
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return value;
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}
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}
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