Package io.netty.util.internal

Class ReflectionUtil

  • public final class ReflectionUtil
extends java.lang.Object

    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      static java.lang.Class<?> resolveTypeParameter​(java.lang.Object object, java.lang.Class<?> parametrizedSuperclass, java.lang.String typeParamName)
      Resolve a type parameter of a class that is a subclass of the given parametrized superclass.
      static java.lang.Throwable trySetAccessible​(java.lang.reflect.AccessibleObject object, boolean checkAccessible)
      Try to call AccessibleObject.setAccessible(boolean) but will catch any SecurityException and InaccessibleObjectException and return it.

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Method Detail

      • trySetAccessible

        public static java.lang.Throwable trySetAccessible​(java.lang.reflect.AccessibleObject object,
                                                   boolean checkAccessible)
        Try to call AccessibleObject.setAccessible(boolean) but will catch any SecurityException and InaccessibleObjectException and return it. The caller must check if it returns null and if not handle the returned exception.

      • resolveTypeParameter

        public static java.lang.Class<?> resolveTypeParameter​(java.lang.Object object,
                                                      java.lang.Class<?> parametrizedSuperclass,
                                                      java.lang.String typeParamName)
        Resolve a type parameter of a class that is a subclass of the given parametrized superclass.
        Parameters:
        object - The object to resolve the type parameter for
        parametrizedSuperclass - The parametrized superclass
        typeParamName - The name of the type parameter to resolve
        Returns:
        The resolved type parameter
        Throws:
        java.lang.IllegalStateException - if the type parameter could not be resolved