The Tor Browser: mobile/android/thirdparty/ch/boye/httpclientandroidlib/protocol/ResponseDate.java@fc2d59ddac77

     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  */

    28 package ch.boye.httpclientandroidlib.protocol;

    30 import java.io.IOException;

    32 import ch.boye.httpclientandroidlib.HttpException;

    33 import ch.boye.httpclientandroidlib.HttpResponse;

    34 import ch.boye.httpclientandroidlib.HttpResponseInterceptor;

    35 import ch.boye.httpclientandroidlib.HttpStatus;

    37 /**

    38  * ResponseDate is responsible for adding <code>Date<c/ode> header to the

    39  * outgoing responses. This interceptor is recommended for server side protocol

    40  * processors.

    41  *

    42  * @since 4.0

    43  */

    44 public class ResponseDate implements HttpResponseInterceptor {

    46     private static final HttpDateGenerator DATE_GENERATOR = new HttpDateGenerator();

    48     public ResponseDate() {

    49         super();

    50     }

    52     public void process(final HttpResponse response, final HttpContext context)

    53             throws HttpException, IOException {

    54         if (response == null) {

    55             throw new IllegalArgumentException

    56                 ("HTTP response may not be null.");

    57         }

    58         int status = response.getStatusLine().getStatusCode();

    59         if ((status >= HttpStatus.SC_OK) &&

    60             !response.containsHeader(HTTP.DATE_HEADER)) {

    61             String httpdate = DATE_GENERATOR.getCurrentDate();

    62             response.setHeader(HTTP.DATE_HEADER, httpdate);

    63         }

    64     }

    66 }

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