The Tor Browser: mobile/android/thirdparty/ch/boye/httpclientandroidlib/protocol/HttpDateGenerator.java@6474c204b198

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  */

    28 package ch.boye.httpclientandroidlib.protocol;

    30 import java.text.DateFormat;

    31 import java.text.SimpleDateFormat;

    32 import java.util.Date;

    33 import java.util.Locale;

    34 import java.util.TimeZone;

    37 /**

    38  * Generates a date in the format required by the HTTP protocol.

    39  *

    40  * @since 4.0

    41  */

    42 public class HttpDateGenerator {

    44     /** Date format pattern used to generate the header in RFC 1123 format. */

    45     public static final

    46         String PATTERN_RFC1123 = "EEE, dd MMM yyyy HH:mm:ss zzz";

    48     /** The time zone to use in the date header. */

    49     public static final TimeZone GMT = TimeZone.getTimeZone("GMT");

    52     private final DateFormat dateformat;

    54     private long dateAsLong = 0L;

    55     private String dateAsText = null;

    57     public HttpDateGenerator() {

    58         super();

    59         this.dateformat = new SimpleDateFormat(PATTERN_RFC1123, Locale.US);

    60         this.dateformat.setTimeZone(GMT);

    61     }

    63     public synchronized String getCurrentDate() {

    64         long now = System.currentTimeMillis();

    65         if (now - this.dateAsLong > 1000) {

    66             // Generate new date string

    67             this.dateAsText = this.dateformat.format(new Date(now));

    68             this.dateAsLong = now;

    69         }

    70         return this.dateAsText;

    71     }

    73 }

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