    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 06:56:49 +0100 (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;
    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  }