org.springframework.expression.common

Class TemplateParserContext

java.lang.Object

org.springframework.expression.common.TemplateParserContext

All Implemented Interfaces:

ParserContext

public class TemplateParserContext
extends Object
implements ParserContext

Configurable ParserContext implementation for template parsing. Expects the expression prefix and suffix as constructor arguments.

Since:

3.0

Author:

Juergen Hoeller

Field Summary

Fields inherited from interface org.springframework.expression.ParserContext

TEMPLATE_EXPRESSION

Constructor Summary

Constructors

Constructor and Description
TemplateParserContext() Create a new TemplateParserContext with the default "#{" prefix and "}" suffix.
TemplateParserContext(String expressionPrefix, String expressionSuffix) Create a new TemplateParserContext for the given prefix and suffix.

Method Summary

Modifier and Type	Method and 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, return the prefix that identifies the end of an expression block within a string.
boolean	isTemplate() Whether the expression being parsed is a template.

Methods inherited from class java.lang.Object

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

Constructor Detail

TemplateParserContext

public TemplateParserContext()

Create a new TemplateParserContext with the default "#{" prefix and "}" suffix.

TemplateParserContext

public TemplateParserContext(String expressionPrefix,
                             String expressionSuffix)

Create a new TemplateParserContext for the given prefix and suffix.

Parameters:

expressionPrefix - the expression prefix to use

expressionSuffix - the expression suffix to use

Method Detail

isTemplate

public final boolean isTemplate()

Description copied from interface: ParserContext

Whether 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}
 

Specified by:

isTemplate in interface ParserContext

Returns:

true if the expression is a template, false otherwise

getExpressionPrefix

public final String getExpressionPrefix()

Description copied from interface: ParserContext

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

Specified by:

getExpressionPrefix in interface ParserContext

Returns:

the prefix that identifies the start of an expression

getExpressionSuffix

public final String getExpressionSuffix()

Description copied from interface: ParserContext

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

Specified by:

getExpressionSuffix in interface ParserContext

Returns:

the suffix that identifies the end of an expression