public class StandardBeanExpressionResolver extends Object implements org.springframework.beans.factory.config.BeanExpressionResolver
BeanExpressionResolver
interface, parsing and evaluating Spring EL using Spring's expression module.ExpressionParser
,
SpelExpressionParser
,
StandardEvaluationContext
Modifier and Type | Field and Description |
---|---|
static String |
DEFAULT_EXPRESSION_PREFIX
Default expression prefix: "#{".
|
static String |
DEFAULT_EXPRESSION_SUFFIX
Default expression suffix: "}".
|
Constructor and Description |
---|
StandardBeanExpressionResolver()
Create a new
StandardBeanExpressionResolver with default settings. |
StandardBeanExpressionResolver(ClassLoader beanClassLoader)
Create a new
StandardBeanExpressionResolver with the given bean class loader,
using it as the basis for expression compilation. |
Modifier and Type | Method and Description |
---|---|
protected void |
customizeEvaluationContext(org.springframework.expression.spel.support.StandardEvaluationContext evalContext)
Template method for customizing the expression evaluation context.
|
Object |
evaluate(String value,
org.springframework.beans.factory.config.BeanExpressionContext evalContext) |
void |
setExpressionParser(org.springframework.expression.ExpressionParser expressionParser)
Specify the EL parser to use for expression parsing.
|
void |
setExpressionPrefix(String expressionPrefix)
Set the prefix that an expression string starts with.
|
void |
setExpressionSuffix(String expressionSuffix)
Set the suffix that an expression string ends with.
|
public static final String DEFAULT_EXPRESSION_PREFIX
public static final String DEFAULT_EXPRESSION_SUFFIX
public StandardBeanExpressionResolver()
StandardBeanExpressionResolver
with default settings.public StandardBeanExpressionResolver(@Nullable ClassLoader beanClassLoader)
StandardBeanExpressionResolver
with the given bean class loader,
using it as the basis for expression compilation.beanClassLoader
- the factory's bean class loaderpublic void setExpressionPrefix(String expressionPrefix)
DEFAULT_EXPRESSION_PREFIX
public void setExpressionSuffix(String expressionSuffix)
DEFAULT_EXPRESSION_SUFFIX
public void setExpressionParser(org.springframework.expression.ExpressionParser expressionParser)
Default is a SpelExpressionParser
,
compatible with standard Unified EL style expression syntax.
@Nullable public Object evaluate(@Nullable String value, org.springframework.beans.factory.config.BeanExpressionContext evalContext) throws org.springframework.beans.BeansException
evaluate
in interface org.springframework.beans.factory.config.BeanExpressionResolver
org.springframework.beans.BeansException
protected void customizeEvaluationContext(org.springframework.expression.spel.support.StandardEvaluationContext evalContext)
The default implementation is empty.