程序包 cn.taketoday.expression.spel.standard

类 SpelExpressionParser

java.lang.Object

cn.taketoday.expression.common.TemplateAwareExpressionParser

cn.taketoday.expression.spel.standard.SpelExpressionParser

所有已实现的接口:

ExpressionParser

public class SpelExpressionParser
extends TemplateAwareExpressionParser

SpEL parser. Instances are reusable and thread-safe.

从以下版本开始:

4.0

作者:

Andy Clement, Juergen Hoeller, Harry Yang

字段概要

字段

修饰符和类型	字段	说明
private final SpelParserConfiguration	configuration
static final SpelExpressionParser	INSTANCE

构造器概要

构造器

构造器	说明
SpelExpressionParser()	Create a parser with default settings.
SpelExpressionParser(SpelParserConfiguration configuration)	Create a parser with the specified configuration.

方法概要

修饰符和类型	方法	说明
protected SpelExpression	doParseExpression(String expressionString, ParserContext context)	Actually parse the expression string and return an Expression object.
SpelExpression	parseRaw(String expressionString)

从类继承的方法 cn.taketoday.expression.common.TemplateAwareExpressionParser

parseExpression, parseExpression

从类继承的方法 java.lang.Object

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

字段详细资料

INSTANCE

public static final SpelExpressionParser INSTANCE

configuration

private final SpelParserConfiguration configuration

构造器详细资料

SpelExpressionParser

public SpelExpressionParser()

Create a parser with default settings.

SpelExpressionParser

public SpelExpressionParser(SpelParserConfiguration configuration)

Create a parser with the specified configuration.

参数:

configuration - custom configuration options

方法详细资料

parseRaw

public SpelExpression parseRaw(String expressionString)
                        throws ParseException

抛出:

ParseException

doParseExpression

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

从类复制的说明: TemplateAwareExpressionParser

Actually parse the expression string and return an Expression object.

指定者:

doParseExpression 在类中 TemplateAwareExpressionParser

参数:

expressionString - the raw expression string to parse

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

返回:

an evaluator for the parsed expression

抛出:

ParseException - an exception occurred during parsing