Package io.micronaut.expressions.parser

Class SingleEvaluatedExpressionParser

java.lang.Object

io.micronaut.expressions.parser.SingleEvaluatedExpressionParser

All Implemented Interfaces:

EvaluatedExpressionParser

@Internal
public final class SingleEvaluatedExpressionParser
extends Object
implements EvaluatedExpressionParser

Parser for building AST for single evaluated expression. A single expression is parsed as a whole, it cannot contain multiple expressions.

Since:

4.0.0

Author:

Sergey Gavrilov

Constructor Summary

Constructors

Constructor	Description
SingleEvaluatedExpressionParser(String expression)	Instantiates a parser for single passed expression.

Method Summary

Modifier and Type	Method	Description
ExpressionNode	parse()	Parse expression into AST.

Methods inherited from class java.lang.Object

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

Constructor Details

SingleEvaluatedExpressionParser

public SingleEvaluatedExpressionParser(String expression)

Instantiates a parser for single passed expression. Expression string must not contain expression template wrapper like #{...}

Parameters:

expression - expression to parse

Method Details

parse

public ExpressionNode parse()
                     throws ExpressionParsingException

Description copied from interface: EvaluatedExpressionParser

Parse expression into AST.

Specified by:

parse in interface EvaluatedExpressionParser

Returns:

expression AST

Throws:

ExpressionParsingException - when expression violates syntactic rules