LoadBalancerRequestFactory.java

/*
 * Copyright 2012-present 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.cloud.client.loadbalancer;

import java.util.ArrayList;
import java.util.List;

import org.springframework.http.HttpRequest;
import org.springframework.http.client.ClientHttpRequestExecution;
import org.springframework.http.client.ClientHttpResponse;

/**
 * Creates {@link LoadBalancerRequest}s for {@link LoadBalancerInterceptor} and
 * {@link RetryLoadBalancerInterceptor}. Applies {@link LoadBalancerRequestTransformer}s
 * to the intercepted {@link HttpRequest}.
 *
 * @author William Tran
 * @author Olga Maciaszek-Sharma
 *
 */
public class LoadBalancerRequestFactory {

	private final LoadBalancerClient loadBalancer;

	private final List<LoadBalancerRequestTransformer> transformers;

	public LoadBalancerRequestFactory(LoadBalancerClient loadBalancer,
			List<LoadBalancerRequestTransformer> transformers) {
		this.loadBalancer = loadBalancer;
		this.transformers = transformers;
	}

	public LoadBalancerRequestFactory(LoadBalancerClient loadBalancer) {
		this.loadBalancer = loadBalancer;
		transformers = new ArrayList<>();
	}

	public LoadBalancerRequest<ClientHttpResponse> createRequest(final HttpRequest request, final byte[] body,
			final ClientHttpRequestExecution execution) {
		return new BlockingLoadBalancerRequest(loadBalancer, transformers,
				new BlockingLoadBalancerRequest.ClientHttpRequestData(request, body, execution));
	}

}