Package org.hawaiiframework.converter

Class DefaultNullListConversionStrategies

java.lang.Object

org.hawaiiframework.converter.DefaultNullListConversionStrategies

public final class DefaultNullListConversionStrategies
extends Object

A few default implementations for the NullListConversionStrategy.

Method Summary

Modifier and Type	Method	Description
static <T> NullListConversionStrategy<T>	raiseError(Class<T> ignored)	Raise an IllegalArgumentException that the list is null.
static <T> NullListConversionStrategy<T>	returnEmptyList(Class<T> ignored)	Return an empty list.
static <T> NullListConversionStrategy<T>	returnNull(Class<T> ignored)	Return null.

Methods inherited from class java.lang.Object

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

Method Details

raiseError

public static <T> NullListConversionStrategy<T> raiseError(Class<T> ignored)

Raise an IllegalArgumentException that the list is null.

Type Parameters:

T - The element type of the list to be returned.

Parameters:

ignored - The class, ignored, used for type casting.

Throws:

IllegalArgumentException - always

returnNull

public static <T> NullListConversionStrategy<T> returnNull(Class<T> ignored)

Return null.

Type Parameters:

T - The element type of the list to be returned.

Parameters:

ignored - The class, ignored, used for type casting.

Returns:

null, always.

returnEmptyList

public static <T> NullListConversionStrategy<T> returnEmptyList(Class<T> ignored)

Return an empty list.

Type Parameters:

T - The element type of the list to be returned.

Parameters:

ignored - The class, ignored, used for type casting.

Returns:

An empty list.