id: scw:java:private-constructor
version: 10
metadata:
  name: Create private constructor for utility class (all fields/methods are static)
  shortDescription: This utility class only contains static fields and methods. Consider protecting against accidental instantiation.
  level: info
  language: java
  enabled: true
  tags: Java basic;quality
search:
  class:
    with:
      anyOf:
      - child:
          field:
            allOf:
            - modifier: public
            - modifier: static
      - child:
          method:
            allOf:
            - modifier: public
            - modifier: static
    without:
      anyOf:
      - child:
          constructor: {}
      - child:
          field:
            not:
              modifier: static
      - child:
          method:
            not:
              modifier: static
availableFixes:
- name: Insert private constructor to prevent instantiation
  actions:
  - addMethod:
      method: private {{{name}}}() {}