code: private void checkBWProject() throws MojoExecutionException {
  		if (projectDirectory == null) {
  			projectNotFound();
  		} else if (!projectDirectory.exists() || !projectDirectory.isDirectory()) {
  			projectNotFound();
  		}
  	}
docs: This will check that the BW project specified in the POM project exists.
  
  TODO : add additional checks about BW project integrity
  
  @throws MojoExecutionException