org.ocpsoft.rewrite.el.spi

Interface ExpressionLanguageProvider

All Superinterfaces:

org.ocpsoft.common.pattern.Weighted

public interface ExpressionLanguageProvider
extends org.ocpsoft.common.pattern.Weighted

Defines a service interface to provide EL support.

Author:

Lincoln Baxter, III

Method Summary

Methods

Modifier and Type	Method and Description
Object	evaluateMethodExpression(String expression) Invoke the method specified by the given EL expression, returning the result - if any.
Object	evaluateMethodExpression(String expression, Object... values) Evaluate a method expression, passing the given parameters, returning the result - if any.
Object	retrieveValue(String expression) Extract a value from the location specified by the given EL location.
void	submitValue(String expression, Object value) Inject a value into location specified by the given EL expression.

Methods inherited from interface org.ocpsoft.common.pattern.Weighted

priority

Method Detail

retrieveValue

Object retrieveValue(String expression)
                     throws UnsupportedOperationException

Extract a value from the location specified by the given EL location.

Throws:

UnsupportedOperationException

submitValue

void submitValue(String expression,
               Object value)
                 throws UnsupportedOperationException

Inject a value into location specified by the given EL expression.

Throws:

UnsupportedOperationException

evaluateMethodExpression

Object evaluateMethodExpression(String expression)
                                throws UnsupportedOperationException

Invoke the method specified by the given EL expression, returning the result - if any.

Throws:

UnsupportedOperationException

evaluateMethodExpression

Object evaluateMethodExpression(String expression,
                              Object... values)
                                throws UnsupportedOperationException

Evaluate a method expression, passing the given parameters, returning the result - if any.

Throws:

UnsupportedOperationException