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82 lines
2.9 KiB
82 lines
2.9 KiB
/*
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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 org.apache.http.client;
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import org.apache.http.HttpRequest;
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import org.apache.http.HttpResponse;
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import org.apache.http.ProtocolException;
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import org.apache.http.client.methods.HttpUriRequest;
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import org.apache.http.protocol.HttpContext;
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/**
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* A strategy for determining if an HTTP request should be redirected to
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* a new location in response to an HTTP response received from the target
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* server.
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* <p>
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* Implementations of this interface must be thread-safe. Access to shared
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* data must be synchronized as methods of this interface may be executed
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* from multiple threads.
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*
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* @since 4.1
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*/
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public interface RedirectStrategy {
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/**
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* Determines if a request should be redirected to a new location
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* given the response from the target server.
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*
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* @param request the executed request
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* @param response the response received from the target server
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* @param context the context for the request execution
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*
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* @return <code>true</code> if the request should be redirected, <code>false</code>
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* otherwise
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*/
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boolean isRedirected(
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HttpRequest request,
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HttpResponse response,
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HttpContext context) throws ProtocolException;
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/**
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* Determines the redirect location given the response from the target
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* server and the current request execution context and generates a new
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* request to be sent to the location.
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*
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* @param request the executed request
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* @param response the response received from the target server
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* @param context the context for the request execution
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*
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* @return redirected request
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*/
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HttpUriRequest getRedirect(
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HttpRequest request,
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HttpResponse response,
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HttpContext context) throws ProtocolException;
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}
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