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.directory.web;
35
36 import fr.paris.lutece.plugins.directory.service.upload.DirectoryAsynchronousUploadHandler;
37 import fr.paris.lutece.plugins.directory.utils.JSONUtils;
38 import fr.paris.lutece.portal.service.i18n.I18nService;
39
40 import net.sf.json.JSON;
41 import net.sf.json.JSONArray;
42 import net.sf.json.JSONSerializer;
43
44 import org.apache.commons.lang.ArrayUtils;
45 import org.apache.commons.lang.StringUtils;
46
47 import java.util.Arrays;
48
49 import javax.servlet.http.HttpServletRequest;
50
51 /**
52 *
53 * This class is called by the directoryupload.js. It is used to remove the file from the asynchronous map store in {@link DirectoryAsynchronousUploadHandler}.
54 *
55 */
56 public class DoRemoveAsynchronousFile
57 {
58 private static final String PARAMETER_ID_ENTRY = "id_entry";
59 private static final String PARAMETER_FIELD_INDEX = "field_index";
60 private static final String PROPERTY_MESSAGE_ERROR_REMOVING_FILE = "directory.message.error.removingFile";
61
62 /**
63 * Removes the uploaded fileItem. <br>
64 * This method is called by the JSP <b>jsp/site/plugins/directory/DoRemoveFile.jsp</b> because this method is also used in front office in other module
65 * (module-workflow-editrecord).
66 *
67 * @param request
68 * the request
69 * @return JSON
70 * category CALLED_BY_JS (directoryupload.js)
71 */
72 public String doRemoveAsynchronousUploadedFile( HttpServletRequest request )
73 {
74 String strSessionId = request.getSession( ).getId( );
75 String strIdEntry = request.getParameter( PARAMETER_ID_ENTRY );
76 String strFieldIndex = request.getParameter( PARAMETER_FIELD_INDEX );
77 String strErrorMessage = I18nService.getLocalizedString( PROPERTY_MESSAGE_ERROR_REMOVING_FILE, request.getLocale( ) );
78
79 if ( StringUtils.isBlank( strIdEntry ) || StringUtils.isBlank( strFieldIndex ) )
80 {
81 return JSONUtils.buildJsonError( strErrorMessage ).toString( );
82 }
83
84 // parse json
85 JSON jsonFieldIndexes = JSONSerializer.toJSON( strFieldIndex );
86
87 if ( !jsonFieldIndexes.isArray( ) )
88 {
89 return JSONUtils.buildJsonError( strErrorMessage ).toString( );
90 }
91
92 JSONArray jsonArrayFieldIndexers = (JSONArray) jsonFieldIndexes;
93 int [ ] tabFieldIndex = new int [ jsonArrayFieldIndexers.size( )];
94
95 for ( int nIndex = 0; nIndex < jsonArrayFieldIndexers.size( ); nIndex++ )
96 {
97 try
98 {
99 tabFieldIndex [nIndex] = Integer.parseInt( jsonArrayFieldIndexers.getString( nIndex ) );
100 }
101 catch( NumberFormatException nfe )
102 {
103 return JSONUtils.buildJsonError( strErrorMessage ).toString( );
104 }
105 }
106
107 // inverse order (removing using index - remove greater first to keep order)
108 Arrays.sort( tabFieldIndex );
109 ArrayUtils.reverse( tabFieldIndex );
110
111 for ( int nFieldIndex : tabFieldIndex )
112 {
113 DirectoryAsynchronousUploadHandler.getHandler( ).removeFileItem( strIdEntry, strSessionId, nFieldIndex );
114 }
115
116 return JSONUtils.buildJsonSuccess( strIdEntry, strSessionId ).toString( );
117 }
118 }