code: private RebelXmlBuilder buildWar() throws MojoExecutionException {
      RebelXmlBuilder builder = createXmlBuilder();
  
      buildWeb(builder);
      buildClasspath(builder);
  
      if (war != null) {
        war.setPath(fixFilePath(war.getPath()));
        builder.setWar(war);
      }
  
      return builder;
    }
docs: Build war configuration.
  
  @return
  @throws MojoExecutionException