org.ocpsoft.rewrite.el.spi
Interface ExpressionLanguageProvider

public interface ExpressionLanguageProvider

Defines a service interface to provide EL support.

Author:

Lincoln Baxter, III

Method Summary

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.

Method Detail

retrieveValue

Object retrieveValue(String expression)
                     throws UnsupportedEvaluationException

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

Throws:

UnsupportedEvaluationException

submitValue

void submitValue(String expression,
                 Object value)
                 throws UnsupportedEvaluationException

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

Throws:

UnsupportedEvaluationException

evaluateMethodExpression

Object evaluateMethodExpression(String expression)
                                throws UnsupportedEvaluationException

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

Throws:

UnsupportedEvaluationException

evaluateMethodExpression

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

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

Throws:

UnsupportedEvaluationException