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.plugins.rss.service;
35
36 import fr.paris.lutece.plugins.rss.business.RssGeneratedFile;
37 import fr.paris.lutece.plugins.rss.business.RssGeneratedFileHome;
38 import fr.paris.lutece.plugins.rss.web.FeedUtil;
39 import fr.paris.lutece.portal.business.rss.IResourceRss;
40 import fr.paris.lutece.portal.service.plugin.Plugin;
41 import fr.paris.lutece.portal.service.util.AppLogService;
42 import fr.paris.lutece.portal.service.util.AppPathService;
43 import fr.paris.lutece.util.filesystem.DirectoryNotFoundException;
44 import fr.paris.lutece.util.filesystem.FileSystemUtil;
45
46 import java.io.File;
47
48 import java.util.ArrayList;
49 import java.util.List;
50
51
52 /**
53 * This class provides management methods for auto updating pushrss files
54 */
55 public final class AutoUpdatingRss
56 {
57 ////////////////////////////////////////////////////////////////////////////
58 // Constants
59 private static final String UPDATING = "Updating rss file";
60
61 /**
62 * Constructor
63 */
64 private AutoUpdatingRss( )
65 {
66 }
67
68 /**
69 * Processes the Updating RSS's files method
70 * @param plugin the plugin
71 * @return The result of this process (strLogs)
72 */
73 public static synchronized String processUpdatingRssFileFile( Plugin plugin )
74 {
75 // Get all the pushrss files saved in database
76 List<RssGeneratedFile> listPushRssDatabase = RssGeneratedFileHome.getRssFileList( );
77 List<String> listFileNames = new ArrayList<String>( );
78
79 for ( RssGeneratedFile generatedFile : listPushRssDatabase )
80 {
81 listFileNames.add( generatedFile.getName( ) );
82 }
83
84 //String buffer for building the response page
85 StringBuffer strLogs = new StringBuffer( );
86
87 // fetch the pushRss directory path
88 String strFolderPath = AppPathService.getPath( RssGeneratorService.PROPERTY_RSS_STORAGE_FOLDER_PATH, "" );
89
90 // Test if the pushRss directory exist and create it if it doesn't exist
91 if ( !new File( strFolderPath ).exists( ) )
92 {
93 File fileFolder = new File( strFolderPath );
94 fileFolder.mkdir( );
95 }
96
97 List<File> listFiles;
98
99 try
100 {
101 listFiles = FileSystemUtil.getFiles( strFolderPath, "" );
102
103 if ( listFiles.size( ) != 0 )
104 {
105 for ( File file : listFiles )
106 {
107 if ( !listFileNames.contains( file.getName( ) ) )
108 {
109 file.delete( );
110 }
111 }
112 }
113 }
114 catch ( DirectoryNotFoundException e )
115 {
116 AppLogService.error( e.getMessage( ), e );
117 }
118
119 // Create again all the pushrss object saved in the database
120 for ( RssGeneratedFile generatedFile : listPushRssDatabase )
121 {
122 try
123 {
124 // Call the create method
125 String strRss = null;
126
127 if ( ( generatedFile.getPortletId( ) == 0 ) && ( generatedFile.getTypeResourceRss( ) != null ) )
128 {
129 IResourceRss resourceRss = RssService.getInstance( )
130 .getResourceRssInstance( generatedFile.getTypeResourceRss( ),
131 null );
132 resourceRss.setId( generatedFile.getId( ) );
133 resourceRss.setMaxItems( generatedFile.getMaxItems( ) );
134 resourceRss.setEncoding( generatedFile.getEncoding( ) );
135 resourceRss.setFeedType( generatedFile.getFeedType( ) );
136
137 strRss = FeedUtil.getFeed( resourceRss );
138 }
139 else
140 {
141 strRss = RssGeneratorService.createRssDocument( generatedFile.getPortletId( ),
142 generatedFile.getDescription( ), generatedFile.getEncoding( ),
143 generatedFile.getFeedType( ), generatedFile.getMaxItems( ) );
144 }
145
146 // Call the create file method
147 RssGeneratorService.createFileRss( generatedFile.getName( ), strRss );
148
149 // Update the database with the new pushrss object
150 RssGeneratedFileHome.update( generatedFile );
151 strLogs.append( UPDATING );
152 }
153 catch ( Exception e )
154 {
155 AppLogService.error( "Error processing AutoUpdatingRssFile ", e );
156 }
157 }
158
159 return strLogs.toString( );
160 }
161 }