Reflections
ClassGraph
| Reflections | ClassGraph | |
|---|---|---|
| 2 | 3 | |
| 4,744 | 2,841 | |
| 0.3% | 1.3% | |
| 0.0 | 8.7 | |
| 10 months ago | 5 months ago | |
| Java | Java | |
| Do What The F*ck You Want To Public License | MIT License |
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Reflections
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Is it possible to obtain all the built-in classes via reflection?
You could use the Reflections library(https://github.com/ronmamo/reflections) to do that within a specific package to do what you want(example taken from the Github repository)
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Get list of objects/classes/interfaces under a package
I'm building an app with Jetpack Compose in Kotlin, and I would like to get a list of material icons from the package androidx.compose.material.icons. I think scanning the package and get the list of objects would be good enough, so I have tried using classgraph and reflections but both of them return an empty list even when I scanned with no filters i.e just input the package name (I followed their sample code). I hope someone who has done this before can show me the correct approach to this issue, thanks a lot
ClassGraph
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reflection and instantiation in java
If you provide more detail, I can probably give you a better answer. You should also checkout ClassGraph. It has tons of functions that can make usage of Reflection a whole lot easier.
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Custom Annotation Scanning with Spring Boot
There are libraries like classgraph that can be used in java applications that do not use spring framework. If your application do not use spring framework or spring boot, you can refer to the classgraph library documentation and proceed.
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Get list of objects/classes/interfaces under a package
I'm building an app with Jetpack Compose in Kotlin, and I would like to get a list of material icons from the package androidx.compose.material.icons. I think scanning the package and get the list of objects would be good enough, so I have tried using classgraph and reflections but both of them return an empty list even when I scanned with no filters i.e just input the package name (I followed their sample code). I hope someone who has done this before can show me the correct approach to this issue, thanks a lot
What are some alternatives?
jOOR - jOOR - Fluent Reflection in Java jOOR is a very simple fluent API that gives access to your Java Class structures in a more intuitive way. The JDK's reflection APIs are hard and verbose to use. Other languages have much simpler constructs to access type meta information at runtime. Let us make Java reflection better.
ReflectASM - High performance Java reflection
platform - The Jakarta EE Platform project produces the Jakarta EE platform specification, which is an umbrella specification that aggregates all other Jakarta EE specifications.
Objenesis - Okay, it's pretty easy to instantiate objects in Java through standard reflection. However there are many cases where you need to go beyond what reflection provides. For example, if there's no public constructor, you want to bypass the constructor code, or set final fields. There are numerous clever (but fiddly) approaches to getting around this and this library provides a simple way to get at them. You will find the official site here.