org.springframework.expression.spel.support

Class ReflectiveConstructorResolver

  • java.lang.Object
    • org.springframework.expression.spel.support.ReflectiveConstructorResolver
  • All Implemented Interfaces:
    ConstructorResolver


    public class ReflectiveConstructorResolver
    extends java.lang.Object
    implements ConstructorResolver
    A constructor resolver that uses reflection to locate the constructor that should be invoked.
    Since:
    3.0
    Author:
    Andy Clement, Juergen Hoeller
    • Constructor Detail

      • ReflectiveConstructorResolver

        public ReflectiveConstructorResolver()
    • Method Detail

      • resolve

        @Nullable
        public ConstructorExecutor resolve(EvaluationContext context,
                                                     java.lang.String typeName,
                                                     java.util.List<TypeDescriptor> argumentTypes)
                                              throws AccessException
        Locate a constructor on the type. There are three kinds of match that might occur:
        1. An exact match where the types of the arguments match the types of the constructor
        2. An in-exact match where the types we are looking for are subtypes of those defined on the constructor
        3. A match where we are able to convert the arguments into those expected by the constructor, according to the registered type converter.
        Specified by:
        resolve in interface ConstructorResolver
        Parameters:
        context - the current evaluation context
        typeName - the type upon which to look for the constructor
        argumentTypes - the arguments that the constructor must be able to handle
        Returns:
        a ConstructorExecutor that can invoke the constructor, or null if non found
        Throws:
        AccessException