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1   /*
2    * Copyright (c) 2002-2017, Mairie de 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.appcenter.modules.fastdeployapplication.util;
35  
36  import java.io.IOException;
37  import java.io.StringWriter;
38  
39  import org.codehaus.jackson.map.DeserializationConfig;
40  import org.codehaus.jackson.map.ObjectMapper;
41  
42  /**
43   * JSON Mapper utils
44   */
45  public final class MapperJsonUtil
46  {
47      private static final ObjectMapper _mapper;
48  
49      static
50      {
51          _mapper = new ObjectMapper( );
52          _mapper.configure( DeserializationConfig.Feature.FAIL_ON_UNKNOWN_PROPERTIES, false );
53      }
54  
55      /** Private constructor */
56      private MapperJsonUtil( )
57      {
58      }
59  
60      /**
61       * parse the JSON for a bean
62       * 
63       * @param <T>
64       *            The Bean class
65       * @param strJson
66       *            The JSON
67       * @param t
68       *            The bean class
69       * @return The bean
70       * @throws IOException
71       *             if an error occurs
72       */
73      public static <T> T parse( String strJson, Class<T> t ) throws IOException
74      {
75          return _mapper.readValue( strJson, t );
76      }
77  
78      /**
79       * parse a bean into a json
80       * 
81       * @param object
82       * @return The json
83       * @throws IOException
84       *             if an error occurs
85       */
86      public static String getJson( Object object ) throws IOException
87      {
88          StringWriter stringWriter = new StringWriter( );
89          _mapper.writeValue( stringWriter, object );
90          return stringWriter.toString( );
91      }
92  }