The Tor Browser: mobile/android/thirdparty/ch/boye/httpclientandroidlib/conn/BasicEofSensorWatcher.java@fc2d59ddac77

     1 /*

     2  * $Revision $

     3  * ====================================================================

     4  *

     5  *  Licensed to the Apache Software Foundation (ASF) under one or more

     6  *  contributor license agreements.  See the NOTICE file distributed with

     7  *  this work for additional information regarding copyright ownership.

     8  *  The ASF licenses this file to You under the Apache License, Version 2.0

     9  *  (the "License"); you may not use this file except in compliance with

    10  *  the License.  You may obtain a copy of the License at

    11  *

    12  *      http://www.apache.org/licenses/LICENSE-2.0

    13  *

    14  *  Unless required by applicable law or agreed to in writing, software

    15  *  distributed under the License is distributed on an "AS IS" BASIS,

    16  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

    17  *  See the License for the specific language governing permissions and

    18  *  limitations under the License.

    19  * ====================================================================

    20  *

    21  * This software consists of voluntary contributions made by many

    22  * individuals on behalf of the Apache Software Foundation.  For more

    23  * information on the Apache Software Foundation, please see

    24  * <http://www.apache.org/>.

    25  *

    26  */

    28 package ch.boye.httpclientandroidlib.conn;

    30 import java.io.InputStream;

    31 import java.io.IOException;

    33 import ch.boye.httpclientandroidlib.annotation.NotThreadSafe;

    35 /**

    36  * Basic implementation of {@link EofSensorWatcher}. The underlying connection

    37  * is released on close or EOF.

    38  *

    39  * @since 4.0

    40  */

    41 @NotThreadSafe

    42 public class BasicEofSensorWatcher implements EofSensorWatcher {

    44     /** The connection to auto-release. */

    45     protected final ManagedClientConnection managedConn;

    47     /** Whether to keep the connection alive. */

    48     protected final boolean attemptReuse;

    50     /**

    51      * Creates a new watcher for auto-releasing a connection.

    52      *

    53      * @param conn      the connection to auto-release

    54      * @param reuse     whether the connection should be re-used

    55      */

    56     public BasicEofSensorWatcher(ManagedClientConnection conn,

    57                                  boolean reuse) {

    58         if (conn == null)

    59             throw new IllegalArgumentException

    60                 ("Connection may not be null.");

    62         managedConn = conn;

    63         attemptReuse = reuse;

    64     }

    66     public boolean eofDetected(InputStream wrapped)

    67         throws IOException {

    69         try {

    70             if (attemptReuse) {

    71                 // there may be some cleanup required, such as

    72                 // reading trailers after the response body:

    73                 wrapped.close();

    74                 managedConn.markReusable();

    75             }

    76         } finally {

    77             managedConn.releaseConnection();

    78         }

    79         return false;

    80     }

    82     public boolean streamClosed(InputStream wrapped)

    83         throws IOException {

    85         try {

    86             if (attemptReuse) {

    87                 // this assumes that closing the stream will

    88                 // consume the remainder of the response body:

    89                 wrapped.close();

    90                 managedConn.markReusable();

    91             }

    92         } finally {

    93             managedConn.releaseConnection();

    94         }

    95         return false;

    96     }

    98     public boolean streamAbort(InputStream wrapped)

    99         throws IOException {

   101         managedConn.abortConnection();

   102         return false;

   103     }

   105 }

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