Interface ParserContext

All Known Implementing Classes:

TemplateParserContext

public interface ParserContext

Input provided to an expression parser that can influence an expression parsing/compilation routine.

Since:

3.0

Author:

Keith Donald, Andy Clement

Field Summary

Fields

Modifier and Type	Field	Description
static final ParserContext	TEMPLATE_EXPRESSION	The default ParserContext implementation that enables template expression parsing.

Method Summary

Modifier and Type	Method	Description
String	getExpressionPrefix()	For template expressions, returns the prefix that identifies the start of an expression block within a string.
String	getExpressionSuffix()	For template expressions, returns the prefix that identifies the end of an expression block within a string.
boolean	isTemplate()	Whether the expression being parsed is a template.

Field Details

TEMPLATE_EXPRESSION

static final ParserContext TEMPLATE_EXPRESSION

The default ParserContext implementation that enables template expression parsing.

The expression prefix is "#{", and the expression suffix is "}".

See Also:

• isTemplate()

Method Details

isTemplate

boolean isTemplate()

Whether the expression being parsed is a template.

A template consists of literal text that can be mixed with expressions. Some examples:

     Some literal text
     Hello #{name.firstName}!
     #{3 + 4}
 

Returns:

true if the expression is a template, false otherwise

getExpressionPrefix

String getExpressionPrefix()

For template expressions, returns the prefix that identifies the start of an expression block within a string. For example: "${"

Returns:

the prefix that identifies the start of an expression

getExpressionSuffix

String getExpressionSuffix()

For template expressions, returns the prefix that identifies the end of an expression block within a string. For example: "}"

Returns:

the suffix that identifies the end of an expression