Byte Buddy Alternatives

Byte Buddy reviews and mentions

• Which open-source projects are widely used but maintained by just a few people?
  21 projects | news.ycombinator.com | 9 Sep 2024

  byte-buddy - runtime code generation for the Java virtual machine - https://github.com/raphw/byte-buddy

  > It is stable and in use by distinguished frameworks and tools such as Mockito, Hibernate , Jackson, Google's Bazel build system and many others. Byte Buddy is also used by a large number of commercial products to great result. It is currently downloaded over 75 million times a year.

• Monkey-patching in Java
  2 projects | dev.to | 21 Sep 2023

  As seen above, the API exposes the user to low-level bytecode manipulation via byte arrays. It would be unwieldy to do it directly. Hence, real-life projects rely on bytecode manipulation libraries. ASM has been the traditional library for this, but it seems that Byte Buddy has superseded it. Note that Byte Buddy uses ASM but provides a higher-level abstraction.

• Any news on the Classfile API?
  5 projects | /r/java | 23 Dec 2022

  Just a drive-by comment: ByteBuddy is worth a look https://bytebuddy.net/. It is built on top of ASM.

• Proposed: A new CMake scripting language usable alongside existing one
  9 projects | news.ycombinator.com | 6 Dec 2022

  > can you show an example of how you'd parse, say, a .java.in

  The canonical way to do such a thing is through the java annotation processing api [1] and using a tool like java poet [2]. Before you did that, you'd probably decide if you wanted to instead use bytecode generation with a library like bytebuddy [3]

  But, assuming for some reason, you wanted to torture yourself and actually consume a java.in file and apply a regex, then you'd probably pull out the "maven-replacer-plugin" [4] and configure that for the task at hand. (or use your favorite templating language plugin. There's a million of them).

  Though, to be fair, this really isn't something that comes up in regular java programming due to the nature of the ecosystem. Anything you'd want to codegen likely already has a library and anything you didn't would receive (legitimate) push back.

  [1] https://www.baeldung.com/java-annotation-processing-builder

  [2] https://github.com/square/javapoet

  [3] https://bytebuddy.net/

  [4] https://github.com/beiliubei/maven-replacer-plugin

• is rust the only language to have procedural macros?
  2 projects | /r/rust | 19 Feb 2022

  Have a look at byte buddy.

• Byte Buddy on Android made possible
  5 projects | /r/android_devs | 28 Mar 2021

  If you've ever used libraries like https://github.com/JakeWharton/hugo or https://hibernate.org/ (if you've ever done some backend development) and wondered how do they seem to add some code/logic into your app just by adding some annotation to some method, or if you ever wondered how mocking frameworks like Mockito can change a class behavior for example, then most likely you're interested in a programming technique that allows to modify existing code, usually known as Aspect oriented programming (also known in Java as Bytecode instrumentation) which, even though it might sound intimidating at first, some really cool tools such as Byte Buddy or AspectJ make it quite easy to accomplish.

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