使用 JavaPoet 生成枚举

Question

如何使用JavaPoet生成如下枚举类？

public enum Planet {
    MERCURY (3, 2),
    VENUS   (4, 6)
}

Answer 1

TypeSpec planetTypeSpec = 
 TypeSpec.enumBuilder("Planet")
      .addModifiers(Modifier.PUBLIC)
      .addEnumConstant("MERCURY", TypeSpec.anonymousClassBuilder("$L, $L",3,2).build())
      .addEnumConstant("VENUS", TypeSpec.anonymousClassBuilder("$L, $L",4,6).build())
      .build();