code: @Override
      public boolean fileCreated(File file) throws WatchingException {
          try {
              execute();
          } catch (MojoExecutionException e) {
              throw new WatchingException("Cannot execute the NPM '" + name + "'", e);
          }
          return true;
      }
docs: An accepted file was created - executes the NPM.
  
  @param file is the file.
  @return {@code true}
  @throws org.wisdom.maven.WatchingException if the execution fails.