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Fix searching of modifiers field for JDK 8-17 #408

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merged 1 commit into from
Jul 7, 2022
+9 −1
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Fix searching of modifiers field for JDK 8-17 #408

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10 changes: 9 additions & 1 deletion utbot-core/src/main/kotlin/org/utbot/common/ReflectionUtil.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -15,7 +15,15 @@ object Reflection {
unsafe = f.get(null) as Unsafe
}

private val modifiersField: Field = Field::class.java.getDeclaredField("modifiers")

// TODO: works on JDK 8-17. Doesn't work on JDK 18
private val modifiersField: Field = run {
val getDeclaredFields0 = Class::class.java.getDeclaredMethod("getDeclaredFields0", Boolean::class.java)
getDeclaredFields0.isAccessible = true
@Suppress("UNCHECKED_CAST")
val fields = getDeclaredFields0.invoke(Field::class.java, false) as Array<Field>
fields.first { it.name == "modifiers" }
}

init {
modifiersField.isAccessible = true
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