Renaming (static) Java field

[kennytv]

I would like to change a large number of static field names, in this case from enum classes with their usages. Is there a recipe similar to https://docs.openrewrite.org/recipes/java/changemethodname but for that?

I can see that OpenRewrite has a visitor implemented, but I cannot find any off the shelf recipe to apply as with the method renamer. If there isn't any hint towards other people's recipes for that usecase would be appreciated

[timtebeek]

Hi @kennytv ; Depending on your use case this recipe might be closest to what you're looking for:
https://docs.openrewrite.org/recipes/java/replaceconstantwithanotherconstant

type: specs.openrewrite.org/v1beta/recipe
name: com.yourorg.ReplaceConstantWithAnotherConstantExample
displayName: Replace constant with another constant example
recipeList:
  - org.openrewrite.java.ReplaceConstantWithAnotherConstant:
      existingFullyQualifiedConstantName: org.springframework.http.MediaType.APPLICATION_JSON_VALUE
      fullyQualifiedConstantName: org.springframework.http.MediaType.APPLICATION_JSON_VALUE

There's a few related recipes in the same recipe module that manipulate constants in different ways; might be worth exploring those too to fit your use case there.

If this is not what you're looking for it might help to see just one or two concrete examples of what you're looking to achieve, such that we can see what would be needed.

[kennytv]

Thank you, that was it! The usecase for non-static fields is a bit hard to untangle and more peculiar due to older design decisions, but what it boils down to is an enum-ish class with public instance fields

class Types {
    final Type a = ...;
    final Type b = ...;
    final Type c;

    Types(Type c) {
        this.c = c;
    }
}

class TypesHolder {
    static final Type C = ...;
    static final Types TYPES = new Types(C);
}

// Usages:
TypesHolder.TYPES.a

The actual class in question is here, accessed via Types1_20_5.META_TYPES.<field>

[timtebeek]

Glad to hear that helped! Good luck with the rest of your changes. :)