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.deployment.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 }