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WebSocketConfigProvider.java
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WebSocketConfigProvider.java
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/*
* Copyright (c) 2020 Contributors to the Eclipse Foundation
*
* See the NOTICE file(s) distributed with this work for additional
* information regarding copyright ownership.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0
*
* SPDX-License-Identifier: EPL-2.0
*/
package org.eclipse.ditto.gateway.service.endpoints.routes.websocket;
import static org.eclipse.ditto.base.model.common.ConditionChecker.checkNotNull;
import java.util.function.BiFunction;
import org.eclipse.ditto.base.model.headers.DittoHeaders;
import org.eclipse.ditto.base.service.DittoExtensionPoint;
import org.eclipse.ditto.gateway.service.util.config.DittoGatewayConfig;
import org.eclipse.ditto.gateway.service.util.config.streaming.WebsocketConfig;
import org.eclipse.ditto.internal.utils.config.DefaultScopedConfig;
import akka.actor.ActorSystem;
/**
* Provides a method to customize a given {@link org.eclipse.ditto.gateway.service.util.config.streaming.WebsocketConfig}.
*/
public abstract class WebSocketConfigProvider extends DittoExtensionPoint
implements BiFunction<DittoHeaders, WebsocketConfig, WebsocketConfig> {
/**
* @param actorSystem the actor system in which to load the extension.
*/
protected WebSocketConfigProvider(final ActorSystem actorSystem) {
super(actorSystem);
}
/**
* Loads the implementation of {@code WebSocketConfigProvider} which is configured for the
* {@code ActorSystem}.
*
* @param actorSystem the actorSystem in which the {@code WebSocketConfigProvider} should be loaded.
* @return the {@code WebSocketConfigProvider} implementation.
* @throws NullPointerException if {@code actorSystem} is {@code null}.
* @since 3.0.0
*/
public static WebSocketConfigProvider get(final ActorSystem actorSystem) {
checkNotNull(actorSystem, "actorSystem");
final var implementation = DittoGatewayConfig.of(DefaultScopedConfig.dittoScoped(
actorSystem.settings().config())).getStreamingConfig().getWebsocketConfig().getConfigProvider();
return new ExtensionId<>(implementation, WebSocketConfigProvider.class).get(actorSystem);
}
}