spring-fu

KoFu and JaFu configuration DSLs for Spring Boot (by spring-projects-experimental)

Spring-fu Alternatives

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NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a better spring-fu alternative or higher similarity.

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Reviews and mentions

Posts with mentions or reviews of spring-fu. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2021-12-09.
  • Scala at Scale at Databricks
    4 projects | news.ycombinator.com | 9 Dec 2021
    > And that is a problem how? Stick to one style.

    Switching an API from "a result or nothing" to "a result or an error message" happens all the time, and switching in the other direction is only slightly less frequent. And of course most programs have some APIs where one is appropriate and some where the other is. So consistency is valuable.

    > https://github.com/spring-projects-experimental/spring-fu/tr...

    Still reflection-based.

    > There's nothing magical about it.

    It's magical to anyone thinking in the language - it breaks the rules of the language, so you can't reason about what it does.

    4 projects | news.ycombinator.com | 9 Dec 2021
    > Kotlin is an unmaintainable soup of features

    Are you sure you're not confusing Kotlin with Scala?

    > For example, Kotlin has null safety and it lets you write code using errors-as-values style "either" types - but it has two completely separate syntaxes for these things, and so it's impossible to interoperate or reuse code between those two approaches

    And that is a problem how? Stick to one style.

    > In practice Kotlin codebases still use magical incomprehensible reflection (Spring Boot)

    https://github.com/spring-projects-experimental/spring-fu/tr...

    > and magical compile-time manipulation (Kapt)

    There's nothing magical about it.

  • A new way to construct objects in Java
    2 projects | dev.to | 16 Nov 2021
    SpringFu (from Spring team): https://github.com/spring-projects-experimental/spring-fu/tree/main/jafu
  • Annotation-free Spring
    5 projects | reddit.com/r/java | 12 Sep 2021
    It's mentioned in the article, even though the examples are written in Kotlin spring-fu supports a java-based dsl.
    1 project | dev.to | 12 Sep 2021
    It's possible to remove it anyway, provided you accept to use APIs considered experimental. The solution is Spring Fu, with "Fu" standing for functional. It's available in two flavors, one for Java and one for Kotlin, respectively named JaFu and KoFu.
  • Kotlin Team AMA #3: Ask Us Anything
    52 projects | reddit.com/r/Kotlin | 27 May 2021
    Longer term : getting rid of kotlin-reflect in Spring Framework by performing Kotlin reflection ahead-of-time and continuing to mature https://github.com/spring-projects-experimental/spring-fu for a more DSL-ish way of configuring Spring Boot are my favorite topics.
    52 projects | reddit.com/r/Kotlin | 27 May 2021
    There is already a very close collaboration between Kotlin and Spring teams. I think leveraging more multiplatform capabilities and more DSL à la KoFu from https://github.com/spring-projects-experimental/spring-fu could increase Koltin usage on server side long term.
  • The Modern Java Platform
    10 projects | news.ycombinator.com | 16 Mar 2021
    There's a next stage after annotations. The current thinking is to replace annotations with function calls. It makes more sense if you use Kotlin because Java is a bit verbose when you do this and in Kotlin you get to create nice DSLs. This cuts down on use of reflection and AOP magic that spring relies on and also enables native compilation. It also makes it easier to debug and it makes it much easier to understand what is going on at the price of surprisingly little verbosity. Kofu and Jafu are basically still experimental but work quite nicely https://github.com/spring-projects-experimental/spring-fu/tr...

    Another trend is native compilation. Spring native just went into beta (uses the Graal compiler). That still relies on reflection but they re-engineered the internals to be more native friendly.

    Spring Boot basically added the notion of autoconfiguring libraries that simply by being on the classpath self configure in a sane way. It's one of those things that makes the experience a bit more ruby on rails like. Stuff just works with minimal coding and you customise it as needed (or not, which is perfectly valid).

    Compared to XML configuration, Spring has come a long way. Separating code and configuration is still a good idea with Spring but indeed not strictly enforced. @Configuration classes can take the place of XML and if you use the bean dsl, that's basically the equivalent of using XML. Only it's type checked at compile time and a bit more readable.

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about 1 month ago

spring-projects-experimental/spring-fu is an open source project licensed under Apache License 2.0 which is an OSI approved license.

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