1   /*
2    * $HeadURL: https://svn.apache.org/repos/asf/httpcomponents/oac.hc3x/trunk/src/test/org/apache/commons/httpclient/server/SimpleConnList.java $
3    * $Revision: 1425331 $
4    * $Date: 2012-12-22 19:29:41 +0100 (Sat, 22 Dec 2012) $
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;
34  import java.util.Iterator;
35  import java.util.List;
36  
37  /***
38   * A simple list of connections.
39   * 
40   * @author Oleg Kalnichevski
41   */
42  public class SimpleConnList {
43      
44      private List connections = new ArrayList();
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 i = this.connections.iterator(); i.hasNext();) {
78              SimpleHttpServerConnection conn = (SimpleHttpServerConnection) i.next();
79              conn.close();
80          }
81          this.connections.clear();
82      }
83  
84  }