title: How to dynamically change the configuration file while using Quick Fix J Engine to receive message?
body: <p>I have specified host and port in the configuration file manually. All I'm trying is to dynamically change that value in that file or Is there any other alternative option to change the host and port name according to user selection</p>
  
  <pre><code>[DEFAULT]# Settings which apply to all the Sessions.
  ConnectionType=initiator
  LogonTimeout=30
  ReconnectInterval=30
  ResetOnLogon=Y
  FileLogPath=E:\eclipse_kepler\Workspace\FIX_Analyzer\src\simulator\logs.txt
  [SESSION]# Settings specifically for one session
  BeginString=FIX.4.2
  SenderCompID=THIS VALUE IS THE CLIENT ID
  TargetCompID=THIS VALUE IS THE FIX SERVER ID
  SocketConnectHost=192.168.15.58 
  SocketLocalHost=192.168.15.58
  StartDay=sunday
  EndDay=friday
  StartTime=00:00:00
  EndTime=00:00:00
  HeartBtInt=30
  CheckLatency=N
  MaxLatency=240
  SocketConnectPort=5005
  SocketConnectHost=192.168.15.58
  UseDataDictionary=Y
  DataDictionary=E:\eclipse_kepler\Workspace\FIX_Analyzer\src\simulator\CustomFix.xml
  FileStorePath=C:\Work\QuickFIXJ\sessioninfo
  </code></pre>