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How Can I use Kapt to append annotation to a field #121
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@caiqfrog
Description
I Use APT to append annotation to a field. When I used in kotlin. It not work.
@Target(AnnotationTarget.FUNCTION, AnnotationTarget.PROPERTY_GETTER, AnnotationTarget.PROPERTY_SETTER, AnnotationTarget.CONSTRUCTOR, AnnotationTarget.FIELD)
@Retention(AnnotationRetention.SOURCE)
@MustBeDocumented
annotation class Inject(
val value: String = ""
)
When It annotation on a field, I want to replace it to javax.inject.Inject.
so I extends AbstractProcessor and init context.
override fun init(processingEnv: ProcessingEnvironment) {
val trees = JavacTrees.instance(processingEnv as JavacProcessingEnvironment)
}
It throws
[ERROR] [kapt] An exception occurred: java.lang.ClassCastException: com.sun.tools.javac.processing.JavacProcessingEnvironment cannot be cast to com.sun.tools.javac.processing.JavacProcessingEnvironment
[ERROR] at com.meitu.rec.starter.annotation.processor.InjectProcessor.init(InjectProcessor.kt:73)
[ERROR] at org.jetbrains.kotlin.kapt3.base.incremental.IncrementalProcessor.init(incrementalProcessors.kt:31)
[ERROR] at org.jetbrains.kotlin.kapt3.base.ProcessorWrapper.init(annotationProcessing.kt:156)
[ERROR] at com.sun.tools.javac.processing.JavacProcessingEnvironment$ProcessorState.<init>(JavacProcessingEnvironment.java:500)
I don't know how to solve it.
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