org.springframework.expression.spel.support
Class ReflectiveConstructorExecutor

java.lang.Object
  org.springframework.expression.spel.support.ReflectiveConstructorExecutor

All Implemented Interfaces:

ConstructorExecutor

 class ReflectiveConstructorExecutor
extends java.lang.Object
implements ConstructorExecutor

A simple ConstructorExecutor implementation that runs a constructor using reflective invocation.

Since:

3.0

Author:

Andy Clement, Juergen Hoeller

Field Summary

private int[]	argsRequiringConversion
private java.lang.reflect.Constructor<?>	ctor
private java.lang.Integer	varargsPosition

Constructor Summary

ReflectiveConstructorExecutor(java.lang.reflect.Constructor<?> ctor, int[] argsRequiringConversion)

Method Summary

TypedValue

execute(EvaluationContext context, java.lang.Object... arguments) Execute a constructor in the specified context using the specified arguments.

Methods inherited from class java.lang.Object

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

Field Detail

ctor

private final java.lang.reflect.Constructor<?> ctor

varargsPosition

private final java.lang.Integer varargsPosition

argsRequiringConversion

private final int[] argsRequiringConversion

Constructor Detail

ReflectiveConstructorExecutor

public ReflectiveConstructorExecutor(java.lang.reflect.Constructor<?> ctor,
                                     int[] argsRequiringConversion)

Method Detail

execute

public TypedValue execute(EvaluationContext context,
                          java.lang.Object... arguments)
                   throws AccessException

Description copied from interface: ConstructorExecutor

Execute a constructor in the specified context using the specified arguments.

Specified by:

execute in interface ConstructorExecutor

Parameters:

context - the evaluation context in which the command is being executed

arguments - the arguments to the constructor call, should match (in terms of number and type) whatever the command will need to run

Returns:

the new object

Throws:

AccessException - if there is a problem executing the command or the CommandExecutor is no longer valid