/*
* ====================================================================
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*
*/
package org.apache.http.nio.protocol;
import java.io.IOException;
import org.apache.http.HttpException;
import org.apache.http.protocol.HttpContext;
/**
* {@code HttpAsyncExpectationVerifier} defines a strategy to verify whether
* or not an incoming HTTP request meets the target server's expectations.
*<p>
* A server that does not understand or is unable to comply with any of
* the expectation values in the Expect field of a request MUST respond
* with appropriate error status. The server MUST respond with a 417
* (Expectation Failed) status if any of the expectations cannot be met
* or, if there are other problems with the request, some other 4xx
* status.
*
* @since 4.2
*/
public interface HttpAsyncExpectationVerifier {
void verify(
HttpAsyncExchange httpExchange,
HttpContext context) throws HttpException, IOException;
}