Package google.registry.util

Class NullIgnoringCollectionBuilder<E,B extends com.google.common.collect.ImmutableCollection.Builder<E>>

java.lang.Object

google.registry.util.NullIgnoringCollectionBuilder<E,B>

public class NullIgnoringCollectionBuilder<E,B extends com.google.common.collect.ImmutableCollection.Builder<E>>
extends Object

Collection builder that simply ignores requests to add null elements.

Useful because we do this in a number of cases.

Method Summary

Modifier and Type	Method	Description
NullIgnoringCollectionBuilder<E,B>	add(E elem)	If 'elem' is not null, add it to the builder.
static <E2, B2 extends com.google.common.collect.ImmutableCollection.Builder<E2>> NullIgnoringCollectionBuilder<E2,B2>	create(B2 builder)
B	getBuilder()	Returns the underlying builder.

Methods inherited from class java.lang.Object

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

Method Details

create

public static <E2,
B2 extends com.google.common.collect.ImmutableCollection.Builder<E2>>
NullIgnoringCollectionBuilder<E2,B2> create(B2 builder)

add

public NullIgnoringCollectionBuilder<E,B> add(@Nullable
 E elem)

If 'elem' is not null, add it to the builder.

getBuilder

public B getBuilder()

Returns the underlying builder.