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75 lines
2.9 KiB
Java
75 lines
2.9 KiB
Java
/*
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* ====================================================================
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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* ====================================================================
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*
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* This software consists of voluntary contributions made by many
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* individuals on behalf of the Apache Software Foundation. For more
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* information on the Apache Software Foundation, please see
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* <http://www.apache.org/>.
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*
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*/
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package ch.boye.httpclientandroidlib.client;
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import java.io.IOException;
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import ch.boye.httpclientandroidlib.HttpHost;
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import ch.boye.httpclientandroidlib.HttpRequest;
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import ch.boye.httpclientandroidlib.HttpResponse;
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import ch.boye.httpclientandroidlib.HttpException;
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import ch.boye.httpclientandroidlib.protocol.HttpContext;
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/**
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* A client-side request director.
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* The director decides which steps are necessary to execute a request.
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* It establishes connections and optionally processes redirects and
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* authentication challenges. The director may therefore generate and
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* send a sequence of requests in order to execute one initial request.
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*
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* @since 4.0
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*/
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public interface RequestDirector {
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/**
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* Executes a request.
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* <br/><b>Note:</b>
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* For the time being, a new director is instantiated for each request.
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* This is the same behavior as for <code>HttpMethodDirector</code>
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* in HttpClient 3.
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*
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* @param target the target host for the request.
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* Implementations may accept <code>null</code>
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* if they can still determine a route, for example
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* to a default target or by inspecting the request.
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* @param request the request to execute
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* @param context the context for executing the request
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*
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* @return the final response to the request.
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* This is never an intermediate response with status code 1xx.
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*
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* @throws HttpException in case of a problem
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* @throws IOException in case of an IO problem
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* or if the connection was aborted
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*/
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HttpResponse execute(HttpHost target, HttpRequest request, HttpContext context)
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throws HttpException, IOException;
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}
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