org.springframework.expression.spel.standard

Class SpelExpressionParser

java.lang.Object

org.springframework.expression.common.TemplateAwareExpressionParser

org.springframework.expression.spel.standard.SpelExpressionParser

All Implemented Interfaces:

ExpressionParser

public class SpelExpressionParser
extends TemplateAwareExpressionParser

SpEL parser. Instances are reusable and thread-safe.

Since:

3.0

Author:

Andy Clement, Juergen Hoeller, Sam Brannen

Constructor Summary

Constructors

Constructor and Description
SpelExpressionParser() Create a parser with default settings.
SpelExpressionParser(SpelParserConfiguration configuration) Create a parser with the specified configuration.

Method Summary

Modifier and Type	Method and Description
protected SpelExpression	doParseExpression(String expressionString, ParserContext context) Actually parse the expression string and return an Expression object.
SpelExpression	parseRaw(String expressionString)

Methods inherited from class org.springframework.expression.common.TemplateAwareExpressionParser

parseExpression, parseExpression

Methods inherited from class java.lang.Object

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

Constructor Detail

SpelExpressionParser

public SpelExpressionParser()

Create a parser with default settings.

SpelExpressionParser

public SpelExpressionParser(SpelParserConfiguration configuration)

Create a parser with the specified configuration.

Parameters:

configuration - custom configuration options

Method Detail

parseRaw

public SpelExpression parseRaw(String expressionString)
                        throws ParseException

Throws:

ParseException

doParseExpression

protected SpelExpression doParseExpression(String expressionString,
                                           @Nullable
                                           ParserContext context)
                                    throws ParseException

Description copied from class: TemplateAwareExpressionParser

Actually parse the expression string and return an Expression object.

Specified by:

doParseExpression in class TemplateAwareExpressionParser

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:

ParseException - an exception occurred during parsing