Interface NamedFactory<T>

Type Parameters:

T - The create object instance type

All Superinterfaces:

Factory<T>, NamedResource, Supplier<T>

All Known Subinterfaces:

BuiltinFactory<T>, CipherFactory, CompressionFactory, DigestFactory, MacFactory, RandomFactory, SignatureFactory

All Known Implementing Classes:

AbstractRandomFactory, BouncyCastleRandomFactory, BuiltinCiphers, BuiltinCompressions, BuiltinDigests, BuiltinIoServiceFactoryFactories, BuiltinMacs, BuiltinSignatures, BuiltinUserAuthFactories, BuiltinUserAuthFactories, CompressionConfigValue, JceRandomFactory, KnownHostDigest, SingletonRandomFactory

public interface NamedFactory<T>
extends Factory<T>, NamedResource

A named factory is a factory identified by a name. Such names are used mainly in the algorithm negotiation at the beginning of the SSH connection.

Field Summary

Fields inherited from interface NamedResource

BY_NAME_COMPARATOR, NAME_EXTRACTOR

Method Summary

Static Methods

Modifier and Type	Method	Description
static <T> T	create(Collection<? extends NamedFactory<? extends T>> factories, String name)	Create an instance of the specified name by looking up the needed factory in the list.
static <E extends NamedResource & OptionalFeature> List<E>	setUpBuiltinFactories(boolean ignoreUnsupported, Collection<? extends E> preferred)	Filters out unsupported factories from a given list if ignoreUnsupported == true.
static <S extends OptionalFeature, E extends NamedResource> List<E>	setUpTransformedFactories(boolean ignoreUnsupported, Collection<? extends S> preferred, Function<? super S, ? extends E> xform)	Converts a list of factories to a list of transformed factories, optionally excluding unsupported factories.

Methods inherited from interface Factory

create, get

Methods inherited from interface NamedResource

getName

Method Details

create

static <T> T create(Collection<? extends NamedFactory<? extends T>> factories,
 String name)

Create an instance of the specified name by looking up the needed factory in the list.

Type Parameters:

T - type of object to create

Parameters:

factories - list of available factories

name - the factory name to use

Returns:

a newly created object or null if the factory is not in the list

setUpTransformedFactories

static <S extends OptionalFeature, E extends NamedResource>
List<E> setUpTransformedFactories(boolean ignoreUnsupported,
 Collection<? extends S> preferred,
 Function<? super S, ? extends E> xform)

Converts a list of factories to a list of transformed factories, optionally excluding unsupported factories.

Type Parameters:

S - initial factory type

E - transformed factory type

Parameters:

ignoreUnsupported - whether to filter out unsupported factories from preferred

preferred - initial list to filter

xform - the transformation to apply

Returns:

the filtered list of transformed factories

setUpBuiltinFactories

static <E extends NamedResource & OptionalFeature>
List<E> setUpBuiltinFactories(boolean ignoreUnsupported,
 Collection<? extends E> preferred)

Filters out unsupported factories from a given list if ignoreUnsupported == true.

Type Parameters:

E - factory type

Parameters:

ignoreUnsupported - whether to filter out unsupported factories from preferred

preferred - initial list to filter

Returns:

the filtered list of factories