io.helidon.integrations.oci.sdk.cdi.EmptyAdpSupplier Maven / Gradle / Ivy
/*
* Copyright (c) 2024 Oracle and/or its affiliates.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package io.helidon.integrations.oci.sdk.cdi;
import java.util.Optional;
import com.oracle.bmc.auth.BasicAuthenticationDetailsProvider;
/**
* An {@link AdpSupplier} that always {@linkplain #get() returns} an {@linkplain Optional#isEmpty() empty
* Optional} from its {@link #get()} method.
*/
final class EmptyAdpSupplier implements AdpSupplier {
/*
* Static fields.
*/
/**
* The sole instance of this class.
*/
private static final EmptyAdpSupplier INSTANCE = new EmptyAdpSupplier();
/*
* Constructors.
*/
/**
* Creates a new {@link EmptyAdpSupplier}.
*/
private EmptyAdpSupplier() {
super();
}
/*
* Instance methods.
*/
/**
* Returns an {@linkplain Optional#isEmpty() empty Optional} when invoked.
*
* @return an {@linkplain Optional#isEmpty() empty Optional} when invoked; never {@code null}
*/
@Override
public Optional get() {
return Optional.empty();
}
/*
* Static methods.
*/
/**
* Returns an {@link EmptyAdpSupplier}.
*
* @return an {@link EmptyAdpSupplier}; never {@code null}
*/
public static EmptyAdpSupplier of() {
return INSTANCE;
}
}