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Java > Open Source Codes > com > caucho > quercus > lib > file > StreamBucketBrigade


1 /*
2  * Copyright (c) 1998-2006 Caucho Technology -- all rights reserved
3  *
4  * This file is part of Resin(R) Open Source
5  *
6  * Each copy or derived work must preserve the copyright notice and this
7  * notice unmodified.
8  *
9  * Resin Open Source is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License as published by
11  * the Free Software Foundation; either version 2 of the License, or
12  * (at your option) any later version.
13  *
14  * Resin Open Source is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
17  * of NON-INFRINGEMENT. See the GNU General Public License for more
18  * details.
19  *
20  * You should have received a copy of the GNU General Public License
21  * along with Resin Open Source; if not, write to the
22  *
23  * Free Software Foundation, Inc.
24  * 59 Temple Place, Suite 330
25  * Boston, MA 02111-1307 USA
26  *
27  * @author Emil Ong
28  */
29
30 package com.caucho.quercus.lib.file;
31
32 import com.caucho.quercus.env.Env;
33
34 import java.util.LinkedList JavaDoc;
35
36 /**
37  * Bucket for stream filters.
38  */
39 public class StreamBucketBrigade {
40   private LinkedList JavaDoc<StreamBucket> _brigade = new LinkedList JavaDoc<StreamBucket>();
41
42   public StreamBucketBrigade(Env env)
43   {
44   }
45
46   public void prepend(StreamBucket bucket)
47   {
48     _brigade.addFirst(bucket);
49   }
50
51   public void append(StreamBucket bucket)
52   {
53     _brigade.addLast(bucket);
54   }
55
56   public StreamBucket popTop()
57   {
58     return _brigade.removeFirst();
59   }
60 }
61
62
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