org.springframework.binding.expression

Interface ExpressionParser

All Known Implementing Classes:

AbstractExpressionParser, BeanWrapperExpressionParser, ELExpressionParser, FacesSpringELExpressionParser, JsfManagedBeanAwareELExpressionParser, SpringELExpressionParser, WebFlowELExpressionParser, WebFlowSpringELExpressionParser

public interface ExpressionParser

Parses expression strings into compiled expressions that can be evaluated. Supports parsing templates as well as standard expression strings.

Author:

Keith Donald

Method Summary

Modifier and Type	Method and Description
Expression	parseExpression(java.lang.String expressionString, ParserContext context) Parse the expression string and return a compiled Expression object you can use for evaluation.

Method Detail

parseExpression

Expression parseExpression(java.lang.String expressionString,
                           ParserContext context)
                    throws ParserException

Parse the expression string and return a compiled Expression object you can use for evaluation. Some examples:

     3 + 4
     name.firstName
 

Parameters:

expressionString - the raw expression string to parse

context - a context for influencing this expression parsing routine (optional)

Returns:

an evaluator for the parsed expression

Throws:

ParserException - an exception occurred during parsing