зеркало из https://github.com/mozilla/gecko-dev.git
123 строки
2.8 KiB
Java
123 строки
2.8 KiB
Java
/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil -*-
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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 the Grendel mail/news client.
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*
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* The Initial Developer of the Original Code is Netscape Communications
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* Corporation. Portions created by Netscape are
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* Copyright (C) 1997 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*/
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package calypso.util;
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import java.util.*;
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/**
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* Static recycler class for java.util.Vector
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*
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* @author psl 04-23-97 6:51pm
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* @see
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*/
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public final class VectorRecycler
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{
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static Recycler gRecycler;
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/**
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* Get one
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*
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* @return
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* @exception
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* @author psl 04-23-97 6:52pm
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*/
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public static synchronized Vector Alloc ()
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{
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Vector result = null;
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if (null != gRecycler)
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result = (Vector)gRecycler.getRecycledObject ();
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if (null == result)
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result = new Vector ();
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return result;
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}
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/**
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* Get one with an initial capacity
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* <I>a recycled vector may be bigger than capacity</I>
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*
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* @param aCapacity minimum desired capacity
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* @return
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* @exception
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* @author psl 04-23-97 6:52pm
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*/
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public static synchronized Vector Alloc (int aCapacity)
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{
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Vector result = null;
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if (null != gRecycler)
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result = (Vector)gRecycler.getRecycledObject ();
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if (null != result)
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result.ensureCapacity (aCapacity);
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else
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result = new Vector (aCapacity);
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return result;
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}
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/**
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* Recycle a vector
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* (it will be emptied by the recycler)
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*
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* @param aVector vector to be recycled
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* @return
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* @exception
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* @author psl 04-23-97 6:52pm
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*/
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public static synchronized void Recycle (Vector aVector)
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{
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if (null == gRecycler)
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gRecycler = new Recycler ();
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aVector.removeAllElements ();
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gRecycler.recycle (aVector);
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}
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/**
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* Empty the recycler, it's earth day
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*
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* @param
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* @return
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* @exception
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* @author psl 04-21-97 4:29pm
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*/
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static synchronized public void EmptyRecycler ()
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{
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if (null != gRecycler)
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gRecycler.empty ();
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}
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/**
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* finalize class for unloading
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*
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* @param
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* @return
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* @exception
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* @author psl 04-21-97 4:29pm
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*/
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static void classFinalize () throws Throwable
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{
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// Poof! Now we are unloadable even though we have a static
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// variable.
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}
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}
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