net.shibboleth.idp.profile.context.navigate

Class SpringExpressionContextLookupFunction<T extends BaseContext>

java.lang.Object

net.shibboleth.idp.profile.context.navigate.SpringExpressionContextLookupFunction<T>

Type Parameters:

T - the specific type of context

All Implemented Interfaces:

Function<T,Object>, ContextDataLookupFunction<T,Object>

public class SpringExpressionContextLookupFunction<T extends BaseContext>
extends Object
implements ContextDataLookupFunction<T,Object>

A Function over a BaseContext which calls out to a Spring Expression.

Field Summary

Fields

Modifier and Type	Field and Description
private Object	customObject A custom object that can be injected into the expression.
private boolean	hideExceptions Whether to raise runtime exceptions if an expression fails.
private Class<T>	inputClass What class we want the input to test against.
private org.slf4j.Logger	log Class logger.
private Class	outputClass What class we want the output to test against.
private String	springExpression SpEL expression to evaluate.

Constructor Summary

Constructors

Constructor and Description
SpringExpressionContextLookupFunction(Class<T> inClass, String expression) Constructor.
SpringExpressionContextLookupFunction(Class<T> inClass, String expression, Class outputType) Constructor.

Method Summary

Methods

Modifier and Type	Method and Description
Object	apply(T context)
Object	getCustomObject() Return the custom (externally provided) object.
void	setCustomObject(Object object) Set the custom (externally provided) object.
void	setHideExceptions(boolean flag) Set whether to hide exceptions in expression execution (default is false).

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.google.common.base.Function

equals

Field Detail

log

@Nonnull
private final org.slf4j.Logger log

Class logger.

springExpression

@Nullable
private String springExpression

SpEL expression to evaluate.

outputClass

@Nullable
private Class outputClass

What class we want the output to test against.

inputClass

@Nonnull
private final Class<T extends BaseContext> inputClass

What class we want the input to test against.

customObject

@Nullable
private Object customObject

A custom object that can be injected into the expression.

hideExceptions

private boolean hideExceptions

Whether to raise runtime exceptions if an expression fails.

Constructor Detail

SpringExpressionContextLookupFunction

public SpringExpressionContextLookupFunction(@Nonnull@ParameterName(name="inClass")
                                     Class<T> inClass,
                                     @Nonnull@NotEmpty@ParameterName(name="expression")
                                     String expression)

Constructor.

Parameters:

inClass - the class we accept as input.

expression - the expression to evaluate.

SpringExpressionContextLookupFunction

public SpringExpressionContextLookupFunction(@Nonnull@ParameterName(name="inClass")
                                     Class<T> inClass,
                                     @Nonnull@NotEmpty@ParameterName(name="expression")
                                     String expression,
                                     @ParameterName(name="outputType")@Nullable
                                     Class outputType)

Constructor.

Parameters:

inClass - the class we accept as input.

expression - the expression to evaluate.

outputType - the type to test against.

Method Detail

getCustomObject

@Nullable
public Object getCustomObject()

Return the custom (externally provided) object.

Returns:

the custom object

setCustomObject

@Nullable
public void setCustomObject(Object object)

Set the custom (externally provided) object.

Parameters:

object - the custom object

setHideExceptions

public void setHideExceptions(boolean flag)

Set whether to hide exceptions in expression execution (default is false).

Parameters:

flag - flag to set

apply

public Object apply(@Nullable
           T context)

Specified by:

apply in interface Function<T extends BaseContext,Object>