程序包 cn.taketoday.expression.common

类 TemplateAwareExpressionParser

java.lang.Object

cn.taketoday.expression.common.TemplateAwareExpressionParser

所有已实现的接口:

ExpressionParser

直接已知子类:

SpelExpressionParser

public abstract class TemplateAwareExpressionParser
extends Object
implements ExpressionParser

An expression parser that understands templates. It can be subclassed by expression parsers that do not offer first class support for templating.

从以下版本开始:

4.0

作者:

Keith Donald, Juergen Hoeller, Andy Clement

构造器概要

构造器

构造器	说明
TemplateAwareExpressionParser()

方法概要

修饰符和类型	方法	说明
protected abstract Expression	doParseExpression(String expressionString, ParserContext context)	Actually parse the expression string and return an Expression object.
Expression	parseExpression(String expressionString)	Parse the expression string and return an Expression object you can use for repeated evaluation.
Expression	parseExpression(String expressionString, ParserContext context)	Parse the expression string and return an Expression object you can use for repeated evaluation.

从类继承的方法 java.lang.Object

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

构造器详细资料

TemplateAwareExpressionParser

public TemplateAwareExpressionParser()

方法详细资料

parseExpression

public Expression parseExpression(String expressionString)
                           throws ParseException

从接口复制的说明: ExpressionParser

Parse the expression string and return an Expression object you can use for repeated evaluation.

Some examples:

     3 + 4
     name.firstName
 

指定者:

parseExpression 在接口中 ExpressionParser

参数:

expressionString - the raw expression string to parse

返回:

an evaluator for the parsed expression

抛出:

ParseException - an exception occurred during parsing

parseExpression

public Expression parseExpression(String expressionString,
 @Nullable
 ParserContext context)
                           throws ParseException

从接口复制的说明: ExpressionParser

Parse the expression string and return an Expression object you can use for repeated evaluation.

Some examples:

     3 + 4
     name.firstName
 

指定者:

parseExpression 在接口中 ExpressionParser

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

doParseExpression

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

Actually parse the expression string and return an Expression object.

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