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1   package net.sumaris.server.http.json;
2   
3   /*-
4    * #%L
5    * SUMARiS:: Server
6    * %%
7    * Copyright (C) 2018 - 2019 SUMARiS Consortium
8    * %%
9    * This program is free software: you can redistribute it and/or modify
10   * it under the terms of the GNU General Public License as
11   * published by the Free Software Foundation, either version 3 of the
12   * License, or (at your option) any later version.
13   * 
14   * This program is distributed in the hope that it will be useful,
15   * but WITHOUT ANY WARRANTY; without even the implied warranty of
16   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17   * GNU General Public License for more details.
18   * 
19   * You should have received a copy of the GNU General Public
20   * License along with this program.  If not, see
21   * <http://www.gnu.org/licenses/gpl-3.0.html>.
22   * #L%
23   */
24  
25  import com.fasterxml.jackson.core.JsonParser;
26  import com.fasterxml.jackson.core.ObjectCodec;
27  import com.fasterxml.jackson.databind.DeserializationContext;
28  import com.fasterxml.jackson.databind.JsonDeserializer;
29  import com.fasterxml.jackson.databind.JsonNode;
30  import com.fasterxml.jackson.databind.node.ObjectNode;
31  
32  import java.io.IOException;
33  import java.util.Iterator;
34  import java.util.LinkedHashMap;
35  import java.util.List;
36  import java.util.Map;
37  
38  /**
39   * @author Benoit Lavenier <benoit.lavenier@e-is.pro>*
40   */
41  public class LinkedHashMapDeserializer extends JsonDeserializer<Object> {
42  
43      @Override
44      public Object deserialize(JsonParser jp, DeserializationContext context)
45              throws IOException {
46          Map map = new LinkedHashMap();
47  
48          ObjectCodec oc = jp.getCodec();
49          ObjectNode mapNode = oc.readTree(jp);
50          Iterator it = mapNode.elements();
51          while(it.hasNext()) {
52              Map.Entry entry = (Map.Entry)it.next();
53              map.put(entry.getKey(), entry.getValue());
54          }
55  
56          return map;
57      }
58  }