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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