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: 224451 $
4    * $Date: 2005-07-23 06:23:59 -0400 (Sat, 23 Jul 2005) $
5    *
6    * ====================================================================
7    *
8    *  Copyright 1999-2004 The Apache Software Foundation
9    *
10   *  Licensed under the Apache License, Version 2.0 (the "License");
11   *  you may not use this file except in compliance with the License.
12   *  You may obtain a copy of the License at
13   *
14   *      http://www.apache.org/licenses/LICENSE-2.0
15   *
16   *  Unless required by applicable law or agreed to in writing, software
17   *  distributed under the License is distributed on an "AS IS" BASIS,
18   *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
19   *  See the License for the specific language governing permissions and
20   *  limitations under the License.
21   * ====================================================================
22   *
23   * This software consists of voluntary contributions made by many
24   * individuals on behalf of the Apache Software Foundation.  For more
25   * information on the Apache Software Foundation, please see
26   * <http://www.apache.org/>.
27   *
28   */
29  
30  package org.apache.commons.httpclient.server;
31  
32  import java.util.ArrayList;
33  import java.util.Iterator;
34  import java.util.List;
35  
36  /***
37   * A simple list of connections.
38   * 
39   * @author Oleg Kalnichevski
40   */
41  public class SimpleConnList {
42      
43      private List connections = new ArrayList();
44      
45      public SimpleConnList() {
46          super();
47      }
48  
49      public synchronized void addConnection(final SimpleHttpServerConnection conn) {
50          this.connections.add(conn);
51      }
52      
53      public synchronized void removeConnection(final SimpleHttpServerConnection conn) {
54          this.connections.remove(conn);
55      }
56  
57      public synchronized SimpleHttpServerConnection removeLast() {
58          int s = this.connections.size(); 
59          if (s > 0) {
60              return (SimpleHttpServerConnection)this.connections.remove(s - 1);
61          } else {
62              return null;
63          }
64      }
65  
66      public synchronized SimpleHttpServerConnection removeFirst() {
67          int s = this.connections.size(); 
68          if (s > 0) {
69              return (SimpleHttpServerConnection)this.connections.remove(0);
70          } else {
71              return null;
72          }
73      }
74  
75      public synchronized void shutdown() {
76          for (Iterator i = this.connections.iterator(); i.hasNext();) {
77              SimpleHttpServerConnection conn = (SimpleHttpServerConnection) i.next();
78              conn.close();
79          }
80          this.connections.clear();
81      }
82  
83  }