/*
 * Copyright 2012-2023 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.boot.web.embedded.jetty;

import org.eclipse.jetty.server.ConnectionFactory;
import org.eclipse.jetty.server.Connector;
import org.eclipse.jetty.server.ForwardedRequestCustomizer;
import org.eclipse.jetty.server.HttpConfiguration;
import org.eclipse.jetty.server.Server;

/**
 * {@link JettyServerCustomizer} to add {@link ForwardedRequestCustomizer}.
 *
 * @author Phillip Webb
 */
class ForwardHeadersCustomizer implements JettyServerCustomizer {

	@Override
	public void customize(Server server) {
		ForwardedRequestCustomizer customizer = new ForwardedRequestCustomizer();
		for (Connector connector : server.getConnectors()) {
			for (ConnectionFactory connectionFactory : connector.getConnectionFactories()) {
				if (connectionFactory instanceof HttpConfiguration.ConnectionFactory) {
					((HttpConfiguration.ConnectionFactory) connectionFactory).getHttpConfiguration()
						.addCustomizer(customizer);
				}
			}
		}
	}

}
