Package net.shibboleth.ext.spring.util

Class SpringExpressionPredicate<T>

java.lang.Object

net.shibboleth.ext.spring.util.AbstractSpringExpressionEvaluatorEx

net.shibboleth.ext.spring.util.SpringExpressionPredicate<T>

Type Parameters:

T - type of input

All Implemented Interfaces:

Predicate<T>, Predicate<T>

public class SpringExpressionPredicate<T>
extends AbstractSpringExpressionEvaluatorEx
implements Predicate<T>

Predicate whose condition is defined by an Spring EL expression.

Since:

5.4.0

Field Summary

Fields

Modifier and Type	Field	Description
private Class<T>	inputTypeClass	Input type.
private org.slf4j.Logger	log	Class logger.

Constructor Summary

Constructors

Constructor	Description
SpringExpressionPredicate(String expression)	Constructor.

Method Summary

Modifier and Type	Method	Description
Class<T>	getInputType()	Get the input type to be enforced.
protected void	prepareContext(EvaluationContext context, Object... input)	Pre-process the script context before execution.
void	setInputType(Class<T> type)	Set the input type to be enforced.
void	setReturnOnError(boolean flag)	Set value to return if an error occurs (default is false).
boolean	test(T input)

Methods inherited from class net.shibboleth.ext.spring.util.AbstractSpringExpressionEvaluatorEx

evaluate, getCustomObject, getOutputType, getReturnOnError, setCustomObject, setHideExceptions, setOutputType, setReturnOnError

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.function.Predicate

and, negate, or

Methods inherited from interface net.shibboleth.utilities.java.support.logic.Predicate

apply

Field Detail

log

@Nonnull
private final org.slf4j.Logger log

Class logger.

inputTypeClass

@Nullable
private Class<T> inputTypeClass

Input type.

Constructor Detail

SpringExpressionPredicate

public SpringExpressionPredicate(@Nonnull @NotEmpty @ParameterName(name="expression")
                                 String expression)

Constructor.

Parameters:

expression - the expression to evaluate

Method Detail

getInputType

@Nullable
public Class<T> getInputType()

Get the input type to be enforced.

Returns:

input type

Since:

6.1.0

setInputType

public void setInputType(@Nullable
                         Class<T> type)

Set the input type to be enforced.

Parameters:

type - input type

Since:

6.1.0

setReturnOnError

public void setReturnOnError(boolean flag)

Set value to return if an error occurs (default is false).

Parameters:

flag - flag to set

test

public boolean test(@Nullable
                    T input)

Specified by:

test in interface Predicate<T>

prepareContext

protected void prepareContext(@Nonnull
                              EvaluationContext context,
                              @Nullable
                              Object... input)

Pre-process the script context before execution.

Specified by:

prepareContext in class AbstractSpringExpressionEvaluatorEx

Parameters:

context - the expression context

input - the inputs