Package org.springframework.expression.spel.support

Class ReflectiveMethodExecutor

java.lang.Object

org.springframework.expression.spel.support.ReflectiveMethodExecutor

All Implemented Interfaces:

MethodExecutor

public class ReflectiveMethodExecutor
extends Object
implements MethodExecutor

MethodExecutor that works via reflection.

Since:

3.0

Author:

Andy Clement, Juergen Hoeller, Sam Brannen

Constructor Summary

Constructors

Constructor	Description
ReflectiveMethodExecutor(Method method)	Create a new executor for the given method.
ReflectiveMethodExecutor(Method method, Class<?> targetClass)	Create a new executor for the given method.

Method Summary

Modifier and Type	Method	Description
boolean	didArgumentConversionOccur()
TypedValue	execute(EvaluationContext context, Object target, Object... arguments)	Execute a method in the specified context using the specified arguments.
final Method	getMethod()	Return the original method that this executor has been configured for.
Class<?>	getPublicDeclaringClass()	Get the public class or interface in the method's type hierarchy that declares the original method.

Methods inherited from class java.lang.Object

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

Constructor Details

ReflectiveMethodExecutor

public ReflectiveMethodExecutor(Method method)

Create a new executor for the given method.

Parameters:

method - the method to invoke

ReflectiveMethodExecutor

public ReflectiveMethodExecutor(Method method,
 @Nullable
 Class<?> targetClass)

Create a new executor for the given method.

Parameters:

method - the method to invoke

targetClass - the target class to invoke the method on, or null if unknown

Since:

5.3.16

Method Details

getMethod

public final Method getMethod()

Return the original method that this executor has been configured for.

getPublicDeclaringClass

@Nullable
public Class<?> getPublicDeclaringClass()

Get the public class or interface in the method's type hierarchy that declares the original method.

See ClassUtils.getPubliclyAccessibleMethodIfPossible(Method, Class) for details.

Returns:

the public class or interface that declares the method, or null if no such public type could be found

didArgumentConversionOccur

public boolean didArgumentConversionOccur()

execute

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

Description copied from interface: MethodExecutor

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

Specified by:

execute in interface MethodExecutor

Parameters:

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

target - the target of the method invocation; may be null for static methods

arguments - the arguments to the method; should match (in terms of number and type) whatever the method will need to run

Returns:

the value returned from the method

Throws:

AccessException - if there is a problem executing the method or if this MethodExecutor has become stale