org.springframework.expression
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

static ParserContext

TEMPLATE_EXPRESSION The default ParserContext implementation that enables template expression parsing mode.

Method Summary

String	getExpressionPrefix() For template expressions, returns the prefix that identifies the start of an expression block within a string.
String	getExpressionSuffix() For template expressions, return the prefix that identifies the end of an expression block within a string.
boolean	isTemplate() Whether or not the expression being parsed is a template.

Field Detail

TEMPLATE_EXPRESSION

static final ParserContext TEMPLATE_EXPRESSION

The default ParserContext implementation that enables template expression parsing mode. The expression prefix is #{ and the expression suffix is }.

See Also:

isTemplate()

Method Detail

isTemplate

boolean isTemplate()

Whether or not the expression being parsed is a template. A template expression consists of literal text that can be mixed with evaluatable blocks. 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, return 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