# Package org.apache.catalina.ha.deploy

- Interface Summary
  Interface | Description
  --- | ---
  FileChangeListener |

- Class Summary
  Class | Description
  --- | ---
  Constants | Manifest constants for the `org.apache.catalina.ha.deploy` package.
  FarmWarDeployer | A farm war deployer is a class that is able to deploy/undeploy web applications in WAR from within the cluster.
  FileMessage | Contains the data for a file being transferred over TCP, this is essentially a fragment of a file, read and written by the FileMessageFactory
  FileMessageFactory | This factory is used to read files and write files by splitting them up into smaller messages.
  UndeployMessage |
  WarWatcher | The WarWatcher watches the deployDir for changes made to the directory (adding new WAR files->deploy or remove WAR files->undeploy) And notifies a listener of the changes made
  WarWatcher.WarFilter | File name filter for war files
  WarWatcher.WarInfo | File information on existing WAR files

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