ch.jalu.configme.properties

Class OptionalProperty<T>

java.lang.Object

ch.jalu.configme.properties.Property<Optional<T>>

ch.jalu.configme.properties.OptionalProperty<T>

public class OptionalProperty<T>
extends Property<Optional<T>>

Property which may be empty.

Wraps another property with an Optional: if a property is not present in the property resource, Optional.empty() is returned.

Constructor Summary

Constructors

Constructor and Description
OptionalProperty(Property<? extends T> baseProperty) Constructor.

Method Summary

Modifier and Type	Method and Description
Property<? extends T>	getBaseProperty() Returns the underlying property used to retrieve the value of the optional.
protected Optional<T>	getFromResource(PropertyResource resource)
boolean	isPresent(PropertyResource resource) Returns whether or not the given resource contains the property.

Methods inherited from class ch.jalu.configme.properties.Property

getDefaultValue, getPath, getValue, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

OptionalProperty

public OptionalProperty(Property<? extends T> baseProperty)

Constructor.

Parameters:

baseProperty - the property to wrap

Method Detail

getFromResource

protected Optional<T> getFromResource(PropertyResource resource)

Specified by:

getFromResource in class Property<Optional<T>>

isPresent

public boolean isPresent(PropertyResource resource)

Description copied from class: Property

Returns whether or not the given resource contains the property.

Overrides:

isPresent in class Property<Optional<T>>

Parameters:

resource - the property resource to check

Returns:

true if the property is present, false otherwise

getBaseProperty

public Property<? extends T> getBaseProperty()

Returns the underlying property used to retrieve the value of the optional.

Returns:

the base property