com.kdgregory.logging.aws.facade.v1.internal

Class ClientFactory<T>

java.lang.Object

com.kdgregory.logging.aws.facade.v1.internal.ClientFactory<T>

public class ClientFactory<T>
extends Object

Creates and configures an AWS client based on the provided writer configuration.

Implementation note: all internal methods are protected to enable testing.

Constructor Summary

Constructors

Constructor and Description
ClientFactory(Class<T> clientType, AbstractWriterConfig<?> config)

Method Summary

Modifier and Type	Method and Description
T	create()
protected com.amazonaws.client.builder.AwsClientBuilder<?,?>	createClientBuilder() Picks an appropriate client builder, based on the configuration type.
protected void	optSetRegionOrEndpoint(com.amazonaws.client.builder.AwsClientBuilder<?,?> builder) If the configuration specifies region, attempts to set it.
protected void	setAssumedRoleCredentialsProvider(com.amazonaws.client.builder.AwsClientBuilder<?,?> builder, String roleToAssume) Configures the builder with an assumed-role credentials provider.
protected T	tryInstantiateFromFactory() Determines whether the configuration specifies a factory method, and if so tries to invoke it.

Methods inherited from class java.lang.Object

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

Constructor Detail

ClientFactory

public ClientFactory(Class<T> clientType,
                     AbstractWriterConfig<?> config)

Method Detail

create

public T create()

tryInstantiateFromFactory

protected T tryInstantiateFromFactory()

Determines whether the configuration specifies a factory method, and if so tries to invoke it.

createClientBuilder

protected com.amazonaws.client.builder.AwsClientBuilder<?,?> createClientBuilder()

Picks an appropriate client builder, based on the configuration type.

optSetRegionOrEndpoint

protected void optSetRegionOrEndpoint(com.amazonaws.client.builder.AwsClientBuilder<?,?> builder)

If the configuration specifies region, attempts to set it.

setAssumedRoleCredentialsProvider

protected void setAssumedRoleCredentialsProvider(com.amazonaws.client.builder.AwsClientBuilder<?,?> builder,
                                                 String roleToAssume)

Configures the builder with an assumed-role credentials provider. The test for this is in the caller, so that we can override this method for testing.