code: public EarDescriptorBuilder addWeb(String filename) {
          String context;
          context = removeExtension(filename).replaceAll("[^a-z]", "");
          if (addRandom) {
              Random random = new Random();
              context += "-" + random.nextInt(Integer.MAX_VALUE);
          }
          return addWeb(filename, context);
      }
docs: Adds WEB module to descriptor.
  
  Context will be generated automaticly, based on name of WAR name
  
  @param filename name of WAR to add
  @return this object