1 /*
2 * Copyright (c) 2002-2014, 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.util.bean;
35
36 import fr.paris.lutece.portal.service.util.AppLogService;
37
38 import org.apache.commons.beanutils.BeanUtils;
39
40 import java.lang.reflect.Field;
41 import java.lang.reflect.InvocationTargetException;
42
43 import java.util.HashMap;
44 import java.util.Map;
45 import java.util.Map.Entry;
46
47 import javax.servlet.http.HttpServletRequest;
48
49
50 /**
51 * Bean Utils
52 */
53 public final class BeanUtil
54 {
55 private static final char UNDERSCORE = '_';
56
57 /** Private constructor */
58 private BeanUtil( )
59 {
60 }
61
62 /**
63 * Populate a bean using parameters in http request
64 *
65 * @param bean bean to populate
66 * @param request http request
67 */
68 public static void populate( Object bean, HttpServletRequest request )
69 {
70 for ( Field field : bean.getClass( ).getDeclaredFields( ) )
71 {
72 try
73 {
74 // for all boolean field, init to false
75 if ( field.getType( ).getName( ).equals( Boolean.class.getName( ) ) ||
76 field.getType( ).getName( ).equals( boolean.class.getName( ) ) )
77 {
78 field.setAccessible( true );
79 field.set( bean, false );
80 }
81 }
82 catch ( Exception e )
83 {
84 String error = "La valeur du champ " + field.getName( ) + " de la classe " +
85 bean.getClass( ).getName( ) + " n'a pas pu être récupéré ";
86 AppLogService.error( error );
87 throw new RuntimeException( error, e );
88 }
89 }
90
91 try
92 {
93 BeanUtils.populate( bean, convertMap( request.getParameterMap( ) ) );
94 }
95 catch ( IllegalAccessException e )
96 {
97 AppLogService.error( "Unable to fetch data from request", e );
98 }
99 catch ( InvocationTargetException e )
100 {
101 AppLogService.error( "Unable to fetch data from request", e );
102 }
103 }
104
105 /**
106 * Convert map by casifying parameters names.
107 * @param mapInput The input map
108 * @return The output map
109 */
110 public static Map<String, Object> convertMap( Map<String, Object> mapInput )
111 {
112 Map<String, Object> mapOutput = new HashMap<String, Object>( );
113
114 for ( Entry<String, Object> entry : mapInput.entrySet( ) )
115 {
116 mapOutput.put( convertUnderscores( entry.getKey( ) ), entry.getValue( ) );
117 }
118
119 return mapOutput;
120 }
121
122 /**
123 * Remove underscore and set the next letter in caps
124 * @param strSource The source
125 * @return The converted string
126 */
127 public static String convertUnderscores( String strSource )
128 {
129 StringBuilder sb = new StringBuilder( );
130 boolean bCapitalizeNext = false;
131
132 for ( char c : strSource.toCharArray( ) )
133 {
134 if ( c == UNDERSCORE )
135 {
136 bCapitalizeNext = true;
137 }
138 else
139 {
140 if ( bCapitalizeNext )
141 {
142 sb.append( Character.toUpperCase( c ) );
143 bCapitalizeNext = false;
144 }
145 else
146 {
147 sb.append( c );
148 }
149 }
150 }
151
152 return sb.toString( );
153 }
154 }