1 /*
2 * Copyright (c) 2002-2021, City of 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.ctv.handler;
35
36 import java.io.File;
37 import java.util.ArrayList;
38 import java.util.List;
39
40 import org.apache.commons.io.FileCleaningTracker;
41 import org.apache.commons.io.FileDeleteStrategy;
42
43 /**
44 * Cleaning tracker to clean files after each upload with special method invocation. Not thread safe and must be used with 1 factory = 1 thread policy.
45 */
46 public class DeleteFilesOnEndUploadCleaningTracker extends FileCleaningTracker
47 {
48
49 private List<String> filesToDelete = new ArrayList( );
50
51 public void deleteTemporaryFiles( )
52 {
53 for ( String file : filesToDelete )
54 {
55 File file2 = new File( file );
56 file2.deleteOnExit( );
57 }
58 filesToDelete.clear( );
59 System.gc( );
60 }
61
62 @Override
63 public synchronized void exitWhenFinished( )
64 {
65 deleteTemporaryFiles( );
66 }
67
68 @Override
69 public int getTrackCount( )
70 {
71 return filesToDelete.size( );
72 }
73
74 @Override
75 public void track( File file, Object marker )
76 {
77 filesToDelete.add( file.getAbsolutePath( ) );
78 }
79
80 @Override
81 public void track( File file, Object marker, FileDeleteStrategy deleteStrategy )
82 {
83 filesToDelete.add( file.getAbsolutePath( ) );
84 }
85
86 @Override
87 public void track( String path, Object marker )
88 {
89 filesToDelete.add( path );
90 }
91
92 @Override
93 public void track( String path, Object marker, FileDeleteStrategy deleteStrategy )
94 {
95 filesToDelete.add( path );
96 }
97 }