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1   /*
2    * This file is part of ***  M y C o R e  ***
3    * See http://www.mycore.de/ for details.
4    *
5    * MyCoRe is free software: you can redistribute it and/or modify
6    * it under the terms of the GNU General Public License as published by
7    * the Free Software Foundation, either version 3 of the License, or
8    * (at your option) any later version.
9    *
10   * MyCoRe is distributed in the hope that it will be useful,
11   * but WITHOUT ANY WARRANTY; without even the implied warranty of
12   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13   * GNU General Public License for more details.
14   *
15   * You should have received a copy of the GNU General Public License
16   * along with MyCoRe.  If not, see <http://www.gnu.org/licenses/>.
17   */
18  
19  package org.mycore.restapi.v2;
20  
21  import java.util.Date;
22  import java.util.Optional;
23  
24  import jakarta.ws.rs.core.EntityTag;
25  import jakarta.ws.rs.core.Request;
26  import jakarta.ws.rs.core.Response;
27  
28  public final class MCRRestUtils {
29  
30      public static final String JSON_DATE_FORMAT = "yyyy-MM-dd'T'HH:mm:ss'Z'";
31  
32      public static final String TAG_MYCORE_CLASSIFICATION = "mcr_class";
33  
34      public static final String TAG_MYCORE_OBJECT = "mcr_object";
35  
36      public static final String TAG_MYCORE_DERIVATE = "mcr_derivate";
37  
38      public static final String TAG_MYCORE_FILE = "mcr_file";
39  
40      public static final String TAG_MYCORE_ABOUT = "mcr_about";
41  
42      public static final String TAG_MYCORE_EVENTS = "mcr_events";
43  
44      private MCRRestUtils() {
45      }
46  
47      public static Optional<Response> getCachedResponse(Request request, Date lastModified) {
48          return Optional.ofNullable(request)
49              .map(r -> r.evaluatePreconditions(lastModified))
50              .map(Response.ResponseBuilder::build);
51      }
52  
53      public static Optional<Response> getCachedResponse(Request request, Date lastModified, EntityTag eTag) {
54          return Optional.ofNullable(request)
55              .map(r -> r.evaluatePreconditions(lastModified, eTag))
56              .map(Response.ResponseBuilder::build);
57      }
58  }