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1   /*
2    * Copyright (c) 2002-2024, City of Paris
3    * All rights reserved.
4    *
5    * Redistribution and use in source and binary forms, with or without
6    * modification, are permitted provided that the following conditions
7    * are met:
8    *
9    *  1. Redistributions of source code must retain the above copyright notice
10   *     and the following disclaimer.
11   *
12   *  2. Redistributions in binary form must reproduce the above copyright notice
13   *     and the following disclaimer in the documentation and/or other materials
14   *     provided with the distribution.
15   *
16   *  3. Neither the name of 'Mairie de Paris' nor 'Lutece' nor the names of its
17   *     contributors may be used to endorse or promote products derived from
18   *     this software without specific prior written permission.
19   *
20   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
21   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23   * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
24   * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25   * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26   * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27   * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28   * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30   * POSSIBILITY OF SUCH DAMAGE.
31   *
32   * License 1.0
33   */
34  package fr.paris.lutece.plugins.rest.util.json;
35  
36  import com.fasterxml.jackson.databind.ObjectMapper;
37  import com.fasterxml.jackson.databind.node.ObjectNode;
38  import java.util.Map;
39  
40  /**
41   * JSON Utils
42   */
43  public final class JSONUtil
44  {
45  
46      /** Private constructor */
47      private JSONUtil( )
48      {
49      }
50  
51      /**
52       * Convert a model into a JSON formatted string
53       * 
54       * @param model
55       *            The model
56       * @return The JSON string
57       */
58      public static String model2Json( Map model )
59      {
60          ObjectNode json = json( model );
61  
62          return json.toPrettyString( );
63      }
64  
65      /**
66       * Convert a model into a JSON object
67       * 
68       * @param model
69       *            The model
70       * @return The JSON Object
71       */
72      public static ObjectNode json( Map model )
73      {
74          ObjectMapper objectMapper = new ObjectMapper( );
75  
76          return objectMapper.convertValue( model, ObjectNode.class );
77      }
78  
79      /**
80       * Format error as JSON
81       * 
82       * @param strMessage
83       *            the error message
84       * @param nCode
85       *            The error code
86       * @return The formatted string
87       */
88      public static String formatError( String strMessage, int nCode )
89      {
90          ObjectMapper mapper = new ObjectMapper( );
91          ObjectNode json = mapper.createObjectNode( );
92          ObjectNode detail = mapper.createObjectNode( );
93  
94          detail.put( "message", strMessage );
95          detail.put( "code", nCode );
96          json.set( "error", detail );
97  
98          return json.toPrettyString( );
99      }
100 }