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1   /**
2    * This file Copyright (c) 2013-2018 Magnolia International
3    * Ltd.  (http://www.magnolia-cms.com). All rights reserved.
4    *
5    *
6    * This file is dual-licensed under both the Magnolia
7    * Network Agreement and the GNU General Public License.
8    * You may elect to use one or the other of these licenses.
9    *
10   * This file is distributed in the hope that it will be
11   * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
12   * implied warranty of MERCHANTABILITY or FITNESS FOR A
13   * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
14   * Redistribution, except as permitted by whichever of the GPL
15   * or MNA you select, is prohibited.
16   *
17   * 1. For the GPL license (GPL), you can redistribute and/or
18   * modify this file under the terms of the GNU General
19   * Public License, Version 3, as published by the Free Software
20   * Foundation.  You should have received a copy of the GNU
21   * General Public License, Version 3 along with this program;
22   * if not, write to the Free Software Foundation, Inc., 51
23   * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
24   *
25   * 2. For the Magnolia Network Agreement (MNA), this file
26   * and the accompanying materials are made available under the
27   * terms of the MNA which accompanies this distribution, and
28   * is available at http://www.magnolia-cms.com/mna.html
29   *
30   * Any modifications to this file must keep this entire header
31   * intact.
32   *
33   */
34  package info.magnolia.ui.form.field.upload;
35  
36  import info.magnolia.cms.util.PathUtil;
37  import info.magnolia.i18nsystem.SimpleTranslator;
38  
39  import java.io.File;
40  import java.io.OutputStream;
41  import java.text.Normalizer;
42  
43  import javax.inject.Inject;
44  
45  import org.apache.commons.lang3.NotImplementedException;
46  import org.apache.commons.lang3.StringUtils;
47  import org.vaadin.easyuploads.FileBuffer;
48  import org.vaadin.easyuploads.FileFactory;
49  import org.vaadin.easyuploads.UploadField.FieldType;
50  
51  /**
52   * Implementation of {@link FileBuffer}.<br>
53   * Expose need variables.<br>
54   * Currently only support {@link FieldType.FILE}.
55   */
56  public class UploadReceiver extends FileBuffer {
57  
58      private static final long serialVersionUID = 1L;
59      private File directory;
60      private final SimpleTranslator i18n;
61      public static final String INVALID_FILE_NAME = "untitled";
62      private String fileName;
63  
64      @Inject
65      public UploadReceiver(File directory, SimpleTranslator i18n) {
66          this.directory = directory;
67          this.i18n = i18n;
68          setFieldType(FieldType.FILE);
69          setDeleteFiles(true);
70      }
71  
72      @Override
73      public OutputStream receiveUpload(String filename, String MIMEType) {
74          // Firefox does not compose unicode diacritical marks properly in input fields, so we compose them ourselves.
75          // Node name is derived from file-name too, so it would have one more escaped char (ö -> o-)
76          // Arguably, our node name validation is too broad: both JCR and URLs—in case of URI2Repo mapping—support unicode characters…
77          filename = Normalizer.normalize(filename, Normalizer.Form.NFC);
78          setFileName(filename);
79          return super.receiveUpload(fileName, MIMEType);
80      }
81  
82      @Override
83      public FileFactory getFileFactory() {
84          return new DefaultFileFactory(directory, i18n);
85      }
86  
87      public String getFileName() {
88          if (StringUtils.isBlank(this.fileName)) {
89              return INVALID_FILE_NAME;
90          }
91          return this.fileName;
92      }
93  
94      public long getFileSize() {
95          return this.getFile() != null ? this.getLastFileSize() : 0l;
96      }
97  
98      public String getMimeType() {
99          return this.getLastMimeType();
100     }
101 
102     public String getExtension() {
103         return PathUtil.getExtension(getFileName());
104     }
105 
106     public void setFileName(String fileName) {
107         this.fileName = fileName;
108     }
109 
110     @Override
111     public void setLastMimeType(String s) {
112         throw new NotImplementedException("rico");
113     }
114 
115     @Override
116     public void setLastFileName(String s) {
117         throw new NotImplementedException("rico");
118     }
119 }