##### Coverage Report - org.apache.turbine.util.HttpUtils

Classes in this File | Line Coverage | Branch Coverage | Complexity
HttpUtils |
0% | 0/13
0% | 0/2
| 1.5;1,5

1 |  |
     package org.apache.turbine.util;
2 |  |
3 |  |
     /*
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      * Licensed to the Apache Software Foundation (ASF) under one
5 |  |
      * or more contributor license agreements.  See the NOTICE file
6 |  |
      * distributed with this work for additional information
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      * regarding copyright ownership.  The ASF licenses this file
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      * to you under the Apache License, Version 2.0 (the
9 |  |
      * "License"); you may not use this file except in compliance
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      * with the License.  You may obtain a copy of the License at
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      *
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      *   http://www.apache.org/licenses/LICENSE-2.0
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      *
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      * Unless required by applicable law or agreed to in writing,
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      * software distributed under the License is distributed on an
16 |  |
      * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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      * KIND, either express or implied.  See the License for the
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      * specific language governing permissions and limitations
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      * under the License.
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      */
21 |  |
22 |  |
     import java.text.SimpleDateFormat;
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     import java.util.Date;
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     import java.util.Locale;
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     import java.util.TimeZone;
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     /**
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      * This class provides utilities for handling some semi-trivial HTTP stuff that
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      * would otherwise be handled elsewhere.
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      *
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      * @author <a href="mailto:magnus@handpoint.com">Magnús Þór Torfason</a>
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      * @version $Id: HttpUtils.java 1071052 2011-02-15 20:54:47Z tv $
33 |  |
      */
34 | 0 |
     public class HttpUtils
35 |  |
     {
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         /**
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          * The date format to use for HTTP Dates.
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          */
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         private static SimpleDateFormat httpDateFormat;
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41 |  |
         static
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         {
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             httpDateFormat = new SimpleDateFormat(
44 |  |
                     "EEE, dd MMM yyyy HH:mm:ss z", Locale.US);
45 | 0 |
             httpDateFormat.setTimeZone(TimeZone.getTimeZone("GMT"));
46 | 0 |
         }
47 |  |
48 |  |
         /**
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          * Formats a java Date according to rfc 1123, the rfc standard for dates in
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          * http.
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          *
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          * @param date The Date to format
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          * @return A String representation of the date
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          */
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         public static String formatHttpDate(Date date)
56 |  |
         {
57 | 0 |
             synchronized (httpDateFormat)
58 |  |
             {
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                 return httpDateFormat.format(date);
60 | 0 |
             }
61 |  |
         }
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63 |  |
         /**
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          * This method sets the required expiration headers in the response for a
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          * given RunData object.  This method attempts to set all relevant headers,
66 |  |
          * both for HTTP 1.0 and HTTP 1.1.
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          *
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          * @param data The RunData object we are setting cache information for.
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          * @param expiry The number of milliseconds until the document should expire,
70 |  |
          * <code>0</code> indicating immediate expiration (i.e. no caching).
71 |  |
          */
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         public static void setCacheHeaders(RunData data, int expiry)
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         {
74 | 0 |
             if (0 == expiry)
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             {
76 | 0 |
                 data.getResponse().setHeader("Pragma", "no-cache");
77 | 0 |
                 data.getResponse().setHeader("Cache-Control", "no-cache");
78 | 0 |
                 data.getResponse().setDateHeader("Expires", System.currentTimeMillis());
79 |  |
             }
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             else
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             {
82 | 0 |
                 data.getResponse().setDateHeader("Expires", System.currentTimeMillis() + expiry);
83 |  |
             }
84 | 0 |
         }
85 |  |
     }