1
19
20 package com.liferay.portal.upload;
21
22 import com.liferay.portal.kernel.util.ProgressTracker;
23 import com.liferay.portal.kernel.util.Validator;
24
25 import java.util.List;
26 import java.util.Map;
27
28 import javax.servlet.http.HttpServletRequest;
29 import javax.servlet.http.HttpSession;
30
31 import org.apache.commons.fileupload.FileItem;
32 import org.apache.commons.fileupload.FileItemFactory;
33 import org.apache.commons.fileupload.FileUploadException;
34 import org.apache.commons.fileupload.servlet.ServletFileUpload;
35
36
43 public class LiferayFileUpload extends ServletFileUpload {
44
45 public static final String FILE_NAME =
46 LiferayFileUpload.class.getName() + "_FILE_NAME";
47
48 public static final String PERCENT = ProgressTracker.PERCENT;
49
50 public LiferayFileUpload(
51 FileItemFactory fileItemFactory, HttpServletRequest request) {
52
53 super(fileItemFactory);
54
55 _session = request.getSession();
56 }
57
58 public List<LiferayFileItem> parseRequest(HttpServletRequest request)
59 throws FileUploadException {
60
61 _session.removeAttribute(LiferayFileUpload.FILE_NAME);
62 _session.removeAttribute(LiferayFileUpload.PERCENT);
63
64 return super.parseRequest(request);
65 }
66
67
70 protected FileItem createItem(Map headers, boolean formField)
71 throws FileUploadException {
72
73 LiferayFileItem item = (LiferayFileItem)super.createItem(
74 headers, formField);
75
76 String fileName = item.getFileName();
77
78 if (Validator.isNotNull(fileName)) {
79 _session.setAttribute(LiferayFileUpload.FILE_NAME, fileName);
80 }
81
82 return item;
83 }
84
85 private HttpSession _session;
86
87 }