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      1 /*
      2  * $HeadURL: http://svn.apache.org/repos/asf/httpcomponents/httpclient/trunk/module-client/src/main/java/org/apache/http/client/methods/AbortableHttpRequest.java $
      3  * $Revision: 639600 $
      4  * $Date: 2008-03-21 04:28:15 -0700 (Fri, 21 Mar 2008) $
      5  *
      6  * ====================================================================
      7  * Licensed to the Apache Software Foundation (ASF) under one
      8  * or more contributor license agreements.  See the NOTICE file
      9  * distributed with this work for additional information
     10  * regarding copyright ownership.  The ASF licenses this file
     11  * to you under the Apache License, Version 2.0 (the
     12  * "License"); you may not use this file except in compliance
     13  * with the License.  You may obtain a copy of the License at
     14  *
     15  *   http://www.apache.org/licenses/LICENSE-2.0
     16  *
     17  * Unless required by applicable law or agreed to in writing,
     18  * software distributed under the License is distributed on an
     19  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
     20  * KIND, either express or implied.  See the License for the
     21  * specific language governing permissions and limitations
     22  * under the License.
     23  * ====================================================================
     24  *
     25  * This software consists of voluntary contributions made by many
     26  * individuals on behalf of the Apache Software Foundation.  For more
     27  * information on the Apache Software Foundation, please see
     28  * <http://www.apache.org/>.
     29  *
     30  */
     31 
     32 package org.apache.http.client.methods;
     33 
     34 import java.io.IOException;
     35 
     36 import org.apache.http.client.HttpClient;
     37 import org.apache.http.conn.ClientConnectionManager;
     38 import org.apache.http.conn.ClientConnectionRequest;
     39 import org.apache.http.conn.ConnectionReleaseTrigger;
     40 import org.apache.http.conn.ManagedClientConnection;
     41 import org.apache.http.impl.conn.tsccm.ThreadSafeClientConnManager;
     42 
     43 /**
     44  * Interface representing an HTTP request that can be aborted by shutting
     45  * down the underlying HTTP connection.
     46  *
     47  * @author <a href="mailto:oleg at ural.ru">Oleg Kalnichevski</a>
     48  *
     49  * <!-- empty lines to avoid svn diff problems -->
     50  * @version   $Revision: 639600 $
     51  *
     52  * @since 4.0
     53  *
     54  * @deprecated Please use {@link java.net.URL#openConnection} instead.
     55  *     Please visit <a href="http://android-developers.blogspot.com/2011/09/androids-http-clients.html">this webpage</a>
     56  *     for further details.
     57  */
     58 @Deprecated
     59 public interface AbortableHttpRequest {
     60 
     61     /**
     62      * Sets the {@link ClientConnectionRequest} callback that can be
     63      * used to abort a long-lived request for a connection.
     64      * If the request is already aborted, throws an {@link IOException}.
     65      *
     66      * @see ClientConnectionManager
     67      * @see ThreadSafeClientConnManager
     68      */
     69     void setConnectionRequest(ClientConnectionRequest connRequest) throws IOException;
     70 
     71     /**
     72      * Sets the {@link ConnectionReleaseTrigger} callback that can
     73      * be used to abort an active connection.
     74      * Typically, this will be the {@link ManagedClientConnection} itself.
     75      * If the request is already aborted, throws an {@link IOException}.
     76      */
     77     void setReleaseTrigger(ConnectionReleaseTrigger releaseTrigger) throws IOException;
     78 
     79     /**
     80      * Aborts this http request. Any active execution of this method should
     81      * return immediately. If the request has not started, it will abort after
     82      * the next execution. Aborting this request will cause all subsequent
     83      * executions with this request to fail.
     84      *
     85      * @see HttpClient#execute(HttpUriRequest)
     86      * @see HttpClient#execute(org.apache.http.HttpHost,
     87      *      org.apache.http.HttpRequest)
     88      * @see HttpClient#execute(HttpUriRequest,
     89      *      org.apache.http.protocol.HttpContext)
     90      * @see HttpClient#execute(org.apache.http.HttpHost,
     91      *      org.apache.http.HttpRequest, org.apache.http.protocol.HttpContext)
     92      */
     93     void abort();
     94 
     95 }
     96 
     97