/*
* Copyright 2002-2014 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.web.client;
import java.io.IOException;
import org.springframework.http.client.ClientHttpRequest;
/**
* Callback interface for code that operates on a {@link ClientHttpRequest}. Allows to manipulate the request
* headers, and write to the request body.
*
* <p>Used internally by the {@link RestTemplate}, but also useful for application code.
*
* @author Arjen Poutsma
* @see RestTemplate#execute
* @since 1.0
*/
public interface RequestCallback {
/**
* Gets called by {@link RestTemplate#execute} with an opened {@code ClientHttpRequest}.
* Does not need to care about closing the request or about handling errors:
* this will all be handled by the {@code RestTemplate}.
* @param request the active HTTP request
* @throws IOException in case of I/O errors
*/
void doWithRequest(ClientHttpRequest request) throws IOException;
}