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1   package org.apache.turbine.services.urlmapper.model;
2   
3   /*
4    * 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
7    * regarding copyright ownership.  The ASF licenses this file
8    * to you under the Apache License, Version 2.0 (the
9    * "License"); you may not use this file except in compliance
10   * with the License.  You may obtain a copy of the License at
11   *
12   *   http://www.apache.org/licenses/LICENSE-2.0
13   *
14   * Unless required by applicable law or agreed to in writing,
15   * software distributed under the License is distributed on an
16   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17   * KIND, either express or implied.  See the License for the
18   * specific language governing permissions and limitations
19   * under the License.
20   */
21  
22  import java.util.LinkedHashMap;
23  import java.util.Map;
24  import java.util.stream.Collectors;
25  
26  import javax.xml.bind.annotation.adapters.XmlAdapter;
27  
28  import org.apache.turbine.services.urlmapper.model.XmlParameterList.XmlParameter;
29  
30  /**
31   * Creates Map objects from XmlParameterList objects and vice-versa.
32   *
33   * @author <a href="mailto:tv@apache.org">Thomas Vandahl</a>
34   */
35  public class XmlParameterAdapter extends XmlAdapter<XmlParameterList, Map<String, String>>
36  {
37      /**
38       * @see javax.xml.bind.annotation.adapters.XmlAdapter#unmarshal(java.lang.Object)
39       */
40      @Override
41      public Map<String, String> unmarshal(XmlParameterList xmlList) throws Exception
42      {
43          // Make sure that order is kept
44          return xmlList.getXmlParameters().stream()
45                  .collect(Collectors.toMap(xml -> xml.key, xml -> xml.value,
46                          (e1, e2) -> e1, LinkedHashMap::new));
47      }
48  
49      /**
50       * @see javax.xml.bind.annotation.adapters.XmlAdapter#marshal(java.lang.Object)
51       */
52      @Override
53      public XmlParameterList marshal(Map<String, String> map) throws Exception
54      {
55          XmlParameterListpper/model/XmlParameterList.html#XmlParameterList">XmlParameterList xmlList = new XmlParameterList();
56          xmlList.setXmlParameters(map.entrySet().stream()
57                  .map(entry -> new XmlParameter(entry.getKey(), entry.getValue()))
58                  .collect(Collectors.toList()));
59  
60          return xmlList;
61      }
62  }