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Java > Open Source Codes > org > apache > commons > httpclient > server > SimpleConnList


1 /*
2  * $Header: /home/jerenkrantz/tmp/commons/commons-convert/cvs/home/cvs/jakarta-commons//httpclient/src/test/org/apache/commons/httpclient/server/SimpleConnList.java,v 1.1 2004/11/13 12:21:28 olegk Exp $
3  * $Revision: 480424 $
4  * $Date: 2006-11-29 05:56:49 +0000 (Wed, 29 Nov 2006) $
5  *
6  * ====================================================================
7  *
8  * Licensed to the Apache Software Foundation (ASF) under one or more
9  * contributor license agreements. See the NOTICE file distributed with
10  * this work for additional information regarding copyright ownership.
11  * The ASF licenses this file to You under the Apache License, Version 2.0
12  * (the "License"); you may not use this file except in compliance with
13  * the License. You may obtain a copy of the License at
14  *
15  * http://www.apache.org/licenses/LICENSE-2.0
16  *
17  * Unless required by applicable law or agreed to in writing, software
18  * distributed under the License is distributed on an "AS IS" BASIS,
19  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
20  * See the License for the specific language governing permissions and
21  * limitations under the License.
22  * ====================================================================
23  *
24  * This software consists of voluntary contributions made by many
25  * individuals on behalf of the Apache Software Foundation. For more
26  * information on the Apache Software Foundation, please see
27  * <http://www.apache.org/>.
28  *
29  */
30
31 package org.apache.commons.httpclient.server;
32
33 import java.util.ArrayList JavaDoc;
34 import java.util.Iterator JavaDoc;
35 import java.util.List JavaDoc;
36
37 /**
38  * A simple list of connections.
39  *
40  * @author Oleg Kalnichevski
41  */
42 public class SimpleConnList {
43     
44     private List JavaDoc connections = new ArrayList JavaDoc();
45     
46     public SimpleConnList() {
47         super();
48     }
49
50     public synchronized void addConnection(final SimpleHttpServerConnection conn) {
51         this.connections.add(conn);
52     }
53     
54     public synchronized void removeConnection(final SimpleHttpServerConnection conn) {
55         this.connections.remove(conn);
56     }
57
58     public synchronized SimpleHttpServerConnection removeLast() {
59         int s = this.connections.size();
60         if (s > 0) {
61             return (SimpleHttpServerConnection)this.connections.remove(s - 1);
62         } else {
63             return null;
64         }
65     }
66
67     public synchronized SimpleHttpServerConnection removeFirst() {
68         int s = this.connections.size();
69         if (s > 0) {
70             return (SimpleHttpServerConnection)this.connections.remove(0);
71         } else {
72             return null;
73         }
74     }
75
76     public synchronized void shutdown() {
77         for (Iterator JavaDoc i = this.connections.iterator(); i.hasNext();) {
78             SimpleHttpServerConnection conn = (SimpleHttpServerConnection) i.next();
79             conn.close();
80         }
81         this.connections.clear();
82     }
83
84 }
85
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