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The File Transfer Listener monitors a specified local or shared directory. It detects new files in that directory and sends the content of those files as a request to the virtual asset that uses this listener. The virtual asset then passes the request to its responders. The matching responder provides a response for that request, then the File Transfer Listener writes the response to another directory. For example, this functionality could be used to simulate an application that listens to a file showing up within a specific directory, processes it, and then responds by placing a modified version of that file—or a different file— in another local or shared directory.


  • Virtualize 9.9.0 or later.


The listener can be installed from the UI or command line.

UI Installation

  1. Choose Parasoft > Preferences and select System Properties in the sidebar menu.
  2. Click Add JARs and choose the filetransferlistener.jar file in the file chooser.
  3. Restart Virtualize.

Command Line Installation

Add the filetransferlistener.jar file to the property in your localsettings properties file. For example:<path to jar>/filetransferlistener.jar


After installation, the File Transfer Listener will be available in the Transports> Custom tab of the Virtual Asset configuration panel. Double-click a virtual asset’s Virtualize Server node to open this panel.

If multiple custom listeners are available, you can select the one you want to use from the Select Implementation drop-down menu.

You can configure correlations, transformations, responses, etc. in the responders associated with the virtual asset.


You configure the listener using the following options.

Source Directory

Specify which local or shared directory you want to monitor for new files. You can enter an absolute path, a relative path (in relation to the VirtualAssets project), or a directory (for example, \\\Development\tmp\user\IN).

Source EncodingSpecify the character encoding for the contents of the source file. The system default is used if this option is not specified. If the source file contains a recognized BOM (UTF-8, UTF-16BE, UTF-16LE, UTF-32BE, UTF-32LE), it will be used to determine the character encoding.
Target DirectorySpecify the local or shared directory to which you want files transferred. You can enter an absolute path, a relative path (in relation to the VirtualAssets project), or a directory (for example, \\\Development\tmp\user\OUT).
Target File NameSpecify the desired name for the transferred file. You can use variables such as %d (current date) %t (current time), %b (base filename without extension), and %e (extension). If this field is empty, the original file name will be used.
Poll IntervalSpecify how frequently you want to check the specified directory. The default is 1000 milliseconds.
Log LevelSpecify how much information you want logged to the console and the Event Monitoring view. The default is 2 (warn).

Third-Party Content

This extension includes items that have been sourced from third parties as outlined below.

Additional license details are available in this plugin's licenses folder.

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