1
22
23 package com.liferay.portal.upload;
24
25 import com.liferay.portal.kernel.util.ProgressTracker;
26 import com.liferay.portal.kernel.util.Validator;
27
28 import java.util.List;
29 import java.util.Map;
30
31 import javax.servlet.http.HttpServletRequest;
32 import javax.servlet.http.HttpSession;
33
34 import org.apache.commons.fileupload.FileItem;
35 import org.apache.commons.fileupload.FileItemFactory;
36 import org.apache.commons.fileupload.FileUploadException;
37 import org.apache.commons.fileupload.servlet.ServletFileUpload;
38
39
46 public class LiferayFileUpload extends ServletFileUpload {
47
48 public static final String FILE_NAME =
49 LiferayFileUpload.class.getName() + "_FILE_NAME";
50
51 public static final String PERCENT = ProgressTracker.PERCENT;
52
53 public LiferayFileUpload(
54 FileItemFactory fileItemFactory, HttpServletRequest request) {
55
56 super(fileItemFactory);
57
58 _session = request.getSession();
59 }
60
61 public List<LiferayFileItem> parseRequest(HttpServletRequest request)
62 throws FileUploadException {
63
64 _session.removeAttribute(LiferayFileUpload.FILE_NAME);
65 _session.removeAttribute(LiferayFileUpload.PERCENT);
66
67 return super.parseRequest(request);
68 }
69
70
73 protected FileItem createItem(Map headers, boolean formField)
74 throws FileUploadException {
75
76 LiferayFileItem item = (LiferayFileItem)super.createItem(
77 headers, formField);
78
79 String fileName = item.getFileName();
80
81 if (Validator.isNotNull(fileName)) {
82 _session.setAttribute(LiferayFileUpload.FILE_NAME, fileName);
83 }
84
85 return item;
86 }
87
88 private HttpSession _session;
89
90 }