org.springframework.expression.spel.ast
Class MethodReference

java.lang.Object
  org.springframework.expression.spel.ast.SpelNodeImpl
      org.springframework.expression.spel.ast.MethodReference

All Implemented Interfaces:

SpelNode

public class MethodReference
extends SpelNodeImpl

Since:

3.0

Author:

Andy Clement, Juergen Hoeller

Field Summary

private MethodExecutor	cachedExecutor
private java.lang.String	name
private boolean	nullSafe

Fields inherited from class org.springframework.expression.spel.ast.SpelNodeImpl

children, pos

Constructor Summary

MethodReference(boolean nullSafe, java.lang.String methodName, int pos, SpelNodeImpl... arguments)

Method Summary

private MethodExecutor	findAccessorForMethod(java.lang.String name, java.util.List<TypeDescriptor> argumentTypes, ExpressionState state)
private java.util.List<TypeDescriptor>	getTypes(java.lang.Object... arguments)
TypedValue	getValueInternal(ExpressionState state)
private void	throwSimpleExceptionIfPossible(ExpressionState state, AccessException ae) Decode the AccessException, throwing a lightweight evaluation exception or, if the cause was a RuntimeException, throw the RuntimeException directly.
java.lang.String	toStringAST()

Methods inherited from class org.springframework.expression.spel.ast.SpelNodeImpl

getChild, getChildCount, getEndPosition, getObjectClass, getPreviousChild, getStartPosition, getTypedValue, getValue, getValue, isWritable, nextChildIs, setValue

Methods inherited from class java.lang.Object

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

Field Detail

name

private final java.lang.String name

nullSafe

private final boolean nullSafe

cachedExecutor

private volatile MethodExecutor cachedExecutor

Constructor Detail

MethodReference

public MethodReference(boolean nullSafe,
                       java.lang.String methodName,
                       int pos,
                       SpelNodeImpl... arguments)

Method Detail

getValueInternal

public TypedValue getValueInternal(ExpressionState state)
                            throws EvaluationException

Specified by:

getValueInternal in class SpelNodeImpl

Throws:

EvaluationException

throwSimpleExceptionIfPossible

private void throwSimpleExceptionIfPossible(ExpressionState state,
                                            AccessException ae)

Decode the AccessException, throwing a lightweight evaluation exception or, if the cause was a RuntimeException, throw the RuntimeException directly.

getTypes

private java.util.List<TypeDescriptor> getTypes(java.lang.Object... arguments)

toStringAST

public java.lang.String toStringAST()

Specified by:

toStringAST in interface SpelNode

Specified by:

toStringAST in class SpelNodeImpl

Returns:

the string form of this AST node

findAccessorForMethod

private MethodExecutor findAccessorForMethod(java.lang.String name,
                                             java.util.List<TypeDescriptor> argumentTypes,
                                             ExpressionState state)
                                      throws SpelEvaluationException

Throws:

SpelEvaluationException