mobile/android/thirdparty/ch/boye/httpclientandroidlib/impl/client/DefaultConnectionKeepAliveStrategy.java

Wed, 31 Dec 2014 06:09:35 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 06:09:35 +0100
changeset 0
6474c204b198
permissions
-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 /*
     2  * ====================================================================
     3  * Licensed to the Apache Software Foundation (ASF) under one
     4  * or more contributor license agreements.  See the NOTICE file
     5  * distributed with this work for additional information
     6  * regarding copyright ownership.  The ASF licenses this file
     7  * to you under the Apache License, Version 2.0 (the
     8  * "License"); you may not use this file except in compliance
     9  * with the License.  You may obtain a copy of the License at
    10  *
    11  *   http://www.apache.org/licenses/LICENSE-2.0
    12  *
    13  * Unless required by applicable law or agreed to in writing,
    14  * software distributed under the License is distributed on an
    15  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
    16  * KIND, either express or implied.  See the License for the
    17  * specific language governing permissions and limitations
    18  * 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  */
    27 package ch.boye.httpclientandroidlib.impl.client;
    29 import ch.boye.httpclientandroidlib.annotation.Immutable;
    31 import ch.boye.httpclientandroidlib.HeaderElement;
    32 import ch.boye.httpclientandroidlib.HeaderElementIterator;
    33 import ch.boye.httpclientandroidlib.HttpResponse;
    34 import ch.boye.httpclientandroidlib.conn.ConnectionKeepAliveStrategy;
    35 import ch.boye.httpclientandroidlib.message.BasicHeaderElementIterator;
    36 import ch.boye.httpclientandroidlib.protocol.HTTP;
    37 import ch.boye.httpclientandroidlib.protocol.HttpContext;
    39 /**
    40  * Default implementation of a strategy deciding duration
    41  * that a connection can remain idle.
    42  *
    43  * The default implementation looks solely at the 'Keep-Alive'
    44  * header's timeout token.
    45  *
    46  * @since 4.0
    47  */
    48 @Immutable
    49 public class DefaultConnectionKeepAliveStrategy implements ConnectionKeepAliveStrategy {
    51     public long getKeepAliveDuration(HttpResponse response, HttpContext context) {
    52         if (response == null) {
    53             throw new IllegalArgumentException("HTTP response may not be null");
    54         }
    55         HeaderElementIterator it = new BasicHeaderElementIterator(
    56                 response.headerIterator(HTTP.CONN_KEEP_ALIVE));
    57         while (it.hasNext()) {
    58             HeaderElement he = it.nextElement();
    59             String param = he.getName();
    60             String value = he.getValue();
    61             if (value != null && param.equalsIgnoreCase("timeout")) {
    62                 try {
    63                     return Long.parseLong(value) * 1000;
    64                 } catch(NumberFormatException ignore) {
    65                 }
    66             }
    67         }
    68         return -1;
    69     }
    71 }

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