Coverage report

  %line %branch
org.apache.jcs.auxiliary.lateral.socket.tcp.utils.SocketOpener
94% 
100% 

 1  
 package org.apache.jcs.auxiliary.lateral.socket.tcp.utils;
 2  
 
 3  
 /*
 4  
  * Licensed to the Apache Software Foundation (ASF) under one
 5  
  * or more contributor license agreements.  See the NOTICE file
 6  
  * distributed with this work for additional information
 7  
  * regarding copyright ownership.  The ASF licenses this file
 8  
  * to you under the Apache License, Version 2.0 (the
 9  
  * "License"); you may not use this file except in compliance
 10  
  * with the License.  You may obtain a copy of the License at
 11  
  *
 12  
  *   http://www.apache.org/licenses/LICENSE-2.0
 13  
  *
 14  
  * Unless required by applicable law or agreed to in writing,
 15  
  * software distributed under the License is distributed on an
 16  
  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 17  
  * KIND, either express or implied.  See the License for the
 18  
  * specific language governing permissions and limitations
 19  
  * under the License.
 20  
  */
 21  
 
 22  
 import java.io.IOException;
 23  
 import java.net.Socket;
 24  
 
 25  
 /**
 26  
  * Socket openere that will timeout on the initial connect rather than block
 27  
  * forever. Technique from core java II.
 28  
  *
 29  
  * @version $Id: SocketOpener.java 536904 2007-05-10 16:03:42Z tv $
 30  
  */
 31  
 public class SocketOpener
 32  
     implements Runnable
 33  
 {
 34  
 
 35  
     private String host;
 36  
 
 37  
     private int port;
 38  
 
 39  
     private Socket socket;
 40  
 
 41  
     /**
 42  
      * Opens a socket with a connection timeout value. Joins against a backgroud
 43  
      * thread that does the openeing.
 44  
      *
 45  
      * @param host
 46  
      * @param port
 47  
      * @param timeOut
 48  
      * @return Socket
 49  
      */
 50  
     public static Socket openSocket( String host, int port, class="keyword">int timeOut )
 51  
     {
 52  34
         SocketOpener opener = new SocketOpener( host, port );
 53  34
         Thread t = new Thread( opener );
 54  34
         t.start();
 55  
         try
 56  
         {
 57  34
             t.join( timeOut );
 58  
         }
 59  0
         catch ( InterruptedException ire )
 60  
         {
 61  
             // swallow
 62  34
         }
 63  34
         return opener.getSocket();
 64  
     }
 65  
 
 66  
     /**
 67  
      * Constructor for the SocketOpener object
 68  
      *
 69  
      * @param host
 70  
      * @param port
 71  
      */
 72  
     public SocketOpener( String host, int port )
 73  34
     {
 74  34
         this.socket = null;
 75  34
         this.host = host;
 76  34
         this.port = port;
 77  34
     }
 78  
 
 79  
     /** Main processing method for the SocketOpener object */
 80  
     public void run()
 81  
     {
 82  
         try
 83  
         {
 84  34
             socket = new Socket( host, port );
 85  
         }
 86  14
         catch ( IOException ioe )
 87  
         {
 88  
             // swallow
 89  20
         }
 90  34
     }
 91  
 
 92  
     /**
 93  
      *
 94  
      * @return The opened socket
 95  
      */
 96  
     public Socket getSocket()
 97  
     {
 98  34
         return socket;
 99  
     }
 100  
 }

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