org.springframework.cloud.netflix.ribbon.apache.RibbonApacheHttpRequest.java Source code

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Here is the source code for org.springframework.cloud.netflix.ribbon.apache.RibbonApacheHttpRequest.java

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/*
 * Copyright 2013-2015 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
 *
 *      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 org.springframework.cloud.netflix.ribbon.apache;

import static org.springframework.cloud.netflix.ribbon.support.RibbonRequestCustomizer.Runner.customize;

import java.net.URI;
import java.util.List;

import org.apache.http.client.config.RequestConfig;
import org.apache.http.client.methods.HttpUriRequest;
import org.apache.http.client.methods.RequestBuilder;
import org.apache.http.entity.BasicHttpEntity;
import org.springframework.cloud.netflix.ribbon.support.ContextAwareRequest;
import org.springframework.cloud.netflix.zuul.filters.route.RibbonCommandContext;

import lombok.Getter;

/**
 * @author Christian Lohmann
 */
@Getter
public class RibbonApacheHttpRequest extends ContextAwareRequest implements Cloneable {

    public RibbonApacheHttpRequest(RibbonCommandContext context) {
        super(context);
    }

    public HttpUriRequest toRequest(final RequestConfig requestConfig) {
        final RequestBuilder builder = RequestBuilder.create(this.context.getMethod());
        builder.setUri(this.uri);
        for (final String name : this.context.getHeaders().keySet()) {
            final List<String> values = this.context.getHeaders().get(name);
            for (final String value : values) {
                builder.addHeader(name, value);
            }
        }

        for (final String name : this.context.getParams().keySet()) {
            final List<String> values = this.context.getParams().get(name);
            for (final String value : values) {
                builder.addParameter(name, value);
            }
        }

        if (this.context.getRequestEntity() != null) {
            final BasicHttpEntity entity;
            entity = new BasicHttpEntity();
            entity.setContent(this.context.getRequestEntity());
            // if the entity contentLength isn't set, transfer-encoding will be set
            // to chunked in org.apache.http.protocol.RequestContent. See gh-1042
            if (this.context.getContentLength() != null) {
                entity.setContentLength(this.context.getContentLength());
            } else if ("GET".equals(this.context.getMethod())) {
                entity.setContentLength(0);
            }
            builder.setEntity(entity);
        }

        customize(this.context.getRequestCustomizers(), builder);

        builder.setConfig(requestConfig);
        return builder.build();
    }

    public RibbonApacheHttpRequest withNewUri(URI uri) {
        return new RibbonApacheHttpRequest(newContext(uri));
    }

}