org.springframework.http.client.support.AsyncHttpAccessor Maven / Gradle / Ivy
/*
* Copyright 2002-2017 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.http.client.support;
import java.io.IOException;
import java.net.URI;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.http.HttpMethod;
import org.springframework.http.client.AsyncClientHttpRequest;
import org.springframework.http.client.AsyncClientHttpRequestFactory;
import org.springframework.util.Assert;
/**
* Base class for {@link org.springframework.web.client.AsyncRestTemplate}
* and other HTTP accessing gateway helpers, defining common properties
* such as the {@link AsyncClientHttpRequestFactory} to operate on.
*
* Not intended to be used directly. See
* {@link org.springframework.web.client.AsyncRestTemplate}.
*
* @author Arjen Poutsma
* @since 4.0
* @see org.springframework.web.client.AsyncRestTemplate
*/
public class AsyncHttpAccessor {
/** Logger available to subclasses. */
protected final Log logger = LogFactory.getLog(getClass());
private AsyncClientHttpRequestFactory asyncRequestFactory;
/**
* Set the request factory that this accessor uses for obtaining {@link
* org.springframework.http.client.ClientHttpRequest HttpRequests}.
*/
public void setAsyncRequestFactory(AsyncClientHttpRequestFactory asyncRequestFactory) {
Assert.notNull(asyncRequestFactory, "AsyncClientHttpRequestFactory must not be null");
this.asyncRequestFactory = asyncRequestFactory;
}
/**
* Return the request factory that this accessor uses for obtaining {@link
* org.springframework.http.client.ClientHttpRequest HttpRequests}.
*/
public AsyncClientHttpRequestFactory getAsyncRequestFactory() {
return this.asyncRequestFactory;
}
/**
* Create a new {@link AsyncClientHttpRequest} via this template's
* {@link AsyncClientHttpRequestFactory}.
* @param url the URL to connect to
* @param method the HTTP method to execute (GET, POST, etc.)
* @return the created request
* @throws IOException in case of I/O errors
*/
protected AsyncClientHttpRequest createAsyncRequest(URI url, HttpMethod method) throws IOException {
AsyncClientHttpRequest request = getAsyncRequestFactory().createAsyncRequest(url, method);
if (logger.isDebugEnabled()) {
logger.debug("Created asynchronous " + method.name() + " request for \"" + url + "\"");
}
return request;
}
}