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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *   http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing,
13   * software distributed under the License is distributed on an
14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   * KIND, either express or implied.  See the License for the
16   * specific language governing permissions and limitations
17   * under the License.
18   */
19  package org.apache.syncope.common.lib.jackson;
20  
21  import com.ctc.wstx.stax.WstxOutputFactory;
22  import com.fasterxml.jackson.annotation.JsonSetter;
23  import com.fasterxml.jackson.annotation.Nulls;
24  import com.fasterxml.jackson.databind.SerializationFeature;
25  import com.fasterxml.jackson.dataformat.xml.XmlFactory;
26  import com.fasterxml.jackson.dataformat.xml.XmlMapper;
27  import com.fasterxml.jackson.dataformat.xml.deser.FromXmlParser;
28  import com.fasterxml.jackson.dataformat.xml.ser.ToXmlGenerator;
29  import java.util.List;
30  import java.util.Map;
31  import java.util.Set;
32  import javax.xml.stream.XMLInputFactory;
33  import javax.xml.stream.XMLOutputFactory;
34  
35  public class SyncopeXmlMapper extends XmlMapper {
36  
37      private static final long serialVersionUID = 1022020055828974308L;
38  
39      public SyncopeXmlMapper() {
40          super(new XmlFactory() {
41  
42              private static final long serialVersionUID = 1022020055828974306L;
43  
44              @Override
45              protected void _initFactories(final XMLInputFactory xmlIn, final XMLOutputFactory xmlOut) {
46                  super._initFactories(xmlIn, xmlOut);
47                  xmlOut.setProperty(WstxOutputFactory.P_AUTOMATIC_EMPTY_ELEMENTS, Boolean.FALSE);
48              }
49          });
50  
51          findAndRegisterModules();
52  
53          configure(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS, false);
54          configure(SerializationFeature.WRITE_DURATIONS_AS_TIMESTAMPS, false);
55  
56          configOverride(List.class).setSetterInfo(JsonSetter.Value.forValueNulls(Nulls.AS_EMPTY));
57          configOverride(Set.class).setSetterInfo(JsonSetter.Value.forValueNulls(Nulls.AS_EMPTY));
58          configOverride(Map.class).setSetterInfo(JsonSetter.Value.forValueNulls(Nulls.AS_EMPTY));
59  
60          enable(ToXmlGenerator.Feature.WRITE_XML_DECLARATION);
61          enable(FromXmlParser.Feature.EMPTY_ELEMENT_AS_NULL);
62      }
63  }