org.springframework.security.oauth2.client.registration.InMemoryClientRegistrationRepository Maven / Gradle / Ivy
/*
* Copyright 2002-2018 the original author or authors.
*
* 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
*
* https://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 org.springframework.security.oauth2.client.registration;
import java.util.Arrays;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import org.springframework.util.Assert;
/**
* A {@link ClientRegistrationRepository} that stores {@link ClientRegistration}(s)
* in-memory.
*
* @author Joe Grandja
* @author Rob Winch
* @author Vedran Pavic
* @since 5.0
* @see ClientRegistrationRepository
* @see ClientRegistration
*/
public final class InMemoryClientRegistrationRepository
implements ClientRegistrationRepository, Iterable {
private final Map registrations;
/**
* Constructs an {@code InMemoryClientRegistrationRepository} using the provided
* parameters.
* @param registrations the client registration(s)
*/
public InMemoryClientRegistrationRepository(ClientRegistration... registrations) {
this(Arrays.asList(registrations));
}
/**
* Constructs an {@code InMemoryClientRegistrationRepository} using the provided
* parameters.
* @param registrations the client registration(s)
*/
public InMemoryClientRegistrationRepository(List registrations) {
this(createRegistrationsMap(registrations));
}
private static Map createRegistrationsMap(List registrations) {
Assert.notEmpty(registrations, "registrations cannot be empty");
return toUnmodifiableConcurrentMap(registrations);
}
private static Map toUnmodifiableConcurrentMap(List registrations) {
ConcurrentHashMap result = new ConcurrentHashMap<>();
for (ClientRegistration registration : registrations) {
Assert.state(!result.containsKey(registration.getRegistrationId()),
() -> String.format("Duplicate key %s", registration.getRegistrationId()));
result.put(registration.getRegistrationId(), registration);
}
return Collections.unmodifiableMap(result);
}
/**
* Constructs an {@code InMemoryClientRegistrationRepository} using the provided
* {@code Map} of {@link ClientRegistration#getRegistrationId() registration id} to
* {@link ClientRegistration}.
* @param registrations the {@code Map} of client registration(s)
* @since 5.2
*/
public InMemoryClientRegistrationRepository(Map registrations) {
Assert.notNull(registrations, "registrations cannot be null");
this.registrations = registrations;
}
@Override
public ClientRegistration findByRegistrationId(String registrationId) {
Assert.hasText(registrationId, "registrationId cannot be empty");
return this.registrations.get(registrationId);
}
/**
* Returns an {@code Iterator} of {@link ClientRegistration}.
* @return an {@code Iterator}
*/
@Override
public Iterator iterator() {
return this.registrations.values().iterator();
}
}