/*
 * 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
 *
 *      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,
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package org.springframework.http.client;

import java.io.IOException;
import java.net.URI;
import java.util.Iterator;
import java.util.List;

import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpMethod;
import org.springframework.http.HttpRequest;
import org.springframework.util.Assert;
import org.springframework.util.StreamUtils;
import org.springframework.util.concurrent.ListenableFuture;

An AsyncClientHttpRequest wrapper that enriches it proceeds the actual request execution with calling the registered interceptors.
Author:Jakub Narloch, Rossen Stoyanchev
See Also:
Deprecated:as of Spring 5.0, with no direct replacement
/** * An {@link AsyncClientHttpRequest} wrapper that enriches it proceeds the actual * request execution with calling the registered interceptors. * * @author Jakub Narloch * @author Rossen Stoyanchev * @see InterceptingAsyncClientHttpRequestFactory * @deprecated as of Spring 5.0, with no direct replacement */
@Deprecated class InterceptingAsyncClientHttpRequest extends AbstractBufferingAsyncClientHttpRequest { private AsyncClientHttpRequestFactory requestFactory; private List<AsyncClientHttpRequestInterceptor> interceptors; private URI uri; private HttpMethod httpMethod;
Create new instance of InterceptingAsyncClientHttpRequest.
Params:
  • requestFactory – the async request factory
  • interceptors – the list of interceptors
  • uri – the request URI
  • httpMethod – the HTTP method
/** * Create new instance of {@link InterceptingAsyncClientHttpRequest}. * @param requestFactory the async request factory * @param interceptors the list of interceptors * @param uri the request URI * @param httpMethod the HTTP method */
public InterceptingAsyncClientHttpRequest(AsyncClientHttpRequestFactory requestFactory, List<AsyncClientHttpRequestInterceptor> interceptors, URI uri, HttpMethod httpMethod) { this.requestFactory = requestFactory; this.interceptors = interceptors; this.uri = uri; this.httpMethod = httpMethod; } @Override protected ListenableFuture<ClientHttpResponse> executeInternal(HttpHeaders headers, byte[] body) throws IOException { return new AsyncRequestExecution().executeAsync(this, body); } @Override public HttpMethod getMethod() { return this.httpMethod; } @Override public String getMethodValue() { return this.httpMethod.name(); } @Override public URI getURI() { return this.uri; } private class AsyncRequestExecution implements AsyncClientHttpRequestExecution { private Iterator<AsyncClientHttpRequestInterceptor> iterator; public AsyncRequestExecution() { this.iterator = interceptors.iterator(); } @Override public ListenableFuture<ClientHttpResponse> executeAsync(HttpRequest request, byte[] body) throws IOException { if (this.iterator.hasNext()) { AsyncClientHttpRequestInterceptor interceptor = this.iterator.next(); return interceptor.intercept(request, body, this); } else { URI uri = request.getURI(); HttpMethod method = request.getMethod(); HttpHeaders headers = request.getHeaders(); Assert.state(method != null, "No standard HTTP method"); AsyncClientHttpRequest delegate = requestFactory.createAsyncRequest(uri, method); delegate.getHeaders().putAll(headers); if (body.length > 0) { StreamUtils.copy(body, delegate.getBody()); } return delegate.executeAsync(); } } } }