Kotlin: How to access nested object or property by var?












0














Is there a native way in kotlin to access a nested complex object (parsed from JSON string) through a variable?



Smth similar to:



   var = "Obj4"
a = Obj1.Obj2.Obj3.$var.Obj5.Array[index]


Thanks a lot in advance










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  • I think you're looking for reflextion. kotlinlang.org/docs/reference/reflection.html It's not dymanimacally-typed language where everything is map, so you'll need to find field with reflection.
    – asm0dey
    Nov 12 '18 at 19:01










  • Yep, I c. That would be like val name = p.javaClass.kotlin.memberProperties.first { it.name == "name" }.get(p)
    – Osolemio
    Nov 12 '18 at 19:05
















0














Is there a native way in kotlin to access a nested complex object (parsed from JSON string) through a variable?



Smth similar to:



   var = "Obj4"
a = Obj1.Obj2.Obj3.$var.Obj5.Array[index]


Thanks a lot in advance










share|improve this question
























  • I think you're looking for reflextion. kotlinlang.org/docs/reference/reflection.html It's not dymanimacally-typed language where everything is map, so you'll need to find field with reflection.
    – asm0dey
    Nov 12 '18 at 19:01










  • Yep, I c. That would be like val name = p.javaClass.kotlin.memberProperties.first { it.name == "name" }.get(p)
    – Osolemio
    Nov 12 '18 at 19:05














0












0








0







Is there a native way in kotlin to access a nested complex object (parsed from JSON string) through a variable?



Smth similar to:



   var = "Obj4"
a = Obj1.Obj2.Obj3.$var.Obj5.Array[index]


Thanks a lot in advance










share|improve this question















Is there a native way in kotlin to access a nested complex object (parsed from JSON string) through a variable?



Smth similar to:



   var = "Obj4"
a = Obj1.Obj2.Obj3.$var.Obj5.Array[index]


Thanks a lot in advance







object kotlin nested






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share|improve this question













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share|improve this question








edited Nov 12 '18 at 18:45

























asked Nov 12 '18 at 18:07









Osolemio

12




12












  • I think you're looking for reflextion. kotlinlang.org/docs/reference/reflection.html It's not dymanimacally-typed language where everything is map, so you'll need to find field with reflection.
    – asm0dey
    Nov 12 '18 at 19:01










  • Yep, I c. That would be like val name = p.javaClass.kotlin.memberProperties.first { it.name == "name" }.get(p)
    – Osolemio
    Nov 12 '18 at 19:05


















  • I think you're looking for reflextion. kotlinlang.org/docs/reference/reflection.html It's not dymanimacally-typed language where everything is map, so you'll need to find field with reflection.
    – asm0dey
    Nov 12 '18 at 19:01










  • Yep, I c. That would be like val name = p.javaClass.kotlin.memberProperties.first { it.name == "name" }.get(p)
    – Osolemio
    Nov 12 '18 at 19:05
















I think you're looking for reflextion. kotlinlang.org/docs/reference/reflection.html It's not dymanimacally-typed language where everything is map, so you'll need to find field with reflection.
– asm0dey
Nov 12 '18 at 19:01




I think you're looking for reflextion. kotlinlang.org/docs/reference/reflection.html It's not dymanimacally-typed language where everything is map, so you'll need to find field with reflection.
– asm0dey
Nov 12 '18 at 19:01












Yep, I c. That would be like val name = p.javaClass.kotlin.memberProperties.first { it.name == "name" }.get(p)
– Osolemio
Nov 12 '18 at 19:05




Yep, I c. That would be like val name = p.javaClass.kotlin.memberProperties.first { it.name == "name" }.get(p)
– Osolemio
Nov 12 '18 at 19:05












1 Answer
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Taken from here



Using the reflection. Don't forget to add the dependency.
Global inline extension fun for Any:



 inline fun <reified T : Any> Any.getThroughReflection(propertyName: String): T? {
val getterName = "get" + propertyName.capitalize()
return try {
javaClass.getMethod(getterName).invoke(this) as? T
} catch (e: NoSuchMethodException) {
null
}
}





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    1 Answer
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    active

    oldest

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    1 Answer
    1






    active

    oldest

    votes









    active

    oldest

    votes






    active

    oldest

    votes









    0














    Taken from here



    Using the reflection. Don't forget to add the dependency.
    Global inline extension fun for Any:



     inline fun <reified T : Any> Any.getThroughReflection(propertyName: String): T? {
    val getterName = "get" + propertyName.capitalize()
    return try {
    javaClass.getMethod(getterName).invoke(this) as? T
    } catch (e: NoSuchMethodException) {
    null
    }
    }





    share|improve this answer


























      0














      Taken from here



      Using the reflection. Don't forget to add the dependency.
      Global inline extension fun for Any:



       inline fun <reified T : Any> Any.getThroughReflection(propertyName: String): T? {
      val getterName = "get" + propertyName.capitalize()
      return try {
      javaClass.getMethod(getterName).invoke(this) as? T
      } catch (e: NoSuchMethodException) {
      null
      }
      }





      share|improve this answer
























        0












        0








        0






        Taken from here



        Using the reflection. Don't forget to add the dependency.
        Global inline extension fun for Any:



         inline fun <reified T : Any> Any.getThroughReflection(propertyName: String): T? {
        val getterName = "get" + propertyName.capitalize()
        return try {
        javaClass.getMethod(getterName).invoke(this) as? T
        } catch (e: NoSuchMethodException) {
        null
        }
        }





        share|improve this answer












        Taken from here



        Using the reflection. Don't forget to add the dependency.
        Global inline extension fun for Any:



         inline fun <reified T : Any> Any.getThroughReflection(propertyName: String): T? {
        val getterName = "get" + propertyName.capitalize()
        return try {
        javaClass.getMethod(getterName).invoke(this) as? T
        } catch (e: NoSuchMethodException) {
        null
        }
        }






        share|improve this answer












        share|improve this answer



        share|improve this answer










        answered Nov 12 '18 at 19:29









        Osolemio

        12




        12






























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