Package com.thewinterframework.expression

Class JexlExpressionResolver

java.lang.Object

com.thewinterframework.expression.JexlExpressionResolver

All Implemented Interfaces:

ExpressionResolver

public class JexlExpressionResolver
extends Object
implements ExpressionResolver

Constructor Summary

Constructors

Constructor	Description
JexlExpressionResolver()

Method Summary

Modifier and Type	Method	Description
void	addContext(String key, Object value)	Add a context to the expression resolver.
<S, T> void	addConverter(Class<S> source, Class<T> target, Converter<S,T> converter)
<T> T	resolve(String expression, Class<T> expectedReturnType)	Resolves the given expression for the specified method and return type.

Methods inherited from class java.lang.Object

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

Constructor Details

JexlExpressionResolver

public JexlExpressionResolver()

Method Details

resolve

@Nullable
public <T> T resolve(String expression,
 Class<T> expectedReturnType)

Description copied from interface: ExpressionResolver

Resolves the given expression for the specified method and return type.

Specified by:

resolve in interface ExpressionResolver

Type Parameters:

T - the type of the resolved value

Parameters:

expression - the expression to resolve

expectedReturnType - the expected return type

Returns:

the resolved value, or null if it cannot be resolved

addContext

public void addContext(String key,
 Object value)

Description copied from interface: ExpressionResolver

Add a context to the expression resolver.

Specified by:

addContext in interface ExpressionResolver

Parameters:

key - The key of the context

value - The value/provider of the context

addConverter

public <S,
T> void addConverter(Class<S> source,
 Class<T> target,
 Converter<S,T> converter)

Specified by:

addConverter in interface ExpressionResolver