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1
5 package org.exoplatform.faces.core.component;
6
7 import java.util.*;
8
9 import javax.faces.context.FacesContext;
10 import javax.portlet.PortletRequest;
11 import javax.servlet.http.HttpServletRequest  ;
12
13 import org.apache.commons.fileupload.FileUpload;
14 import org.apache.commons.fileupload.DiskFileUpload;
15 import org.apache.commons.fileupload.FileItem;
16 import org.exoplatform.faces.FacesConstants;
17 import org.exoplatform.faces.core.event.ExoActionEvent;
18
25 public class UIFileUpload extends UIExoCommand {
26 public static final String UPLOAD_ACTION = "upload";
27 public static final String CANCEL_ACTION = "cancel";
28
29 private int numberOfField_;
30 private String userAction_;
31 private HashMap userInputs_;
32 private String parentUri_;
33 private boolean showCancel_ = true ;
34 private boolean showHeader_ = true ;
35
36 public UIFileUpload() {
37 setRendererType("FileUploadRenderer");
38 setId("UIFileUpload");
39 numberOfField_ = 3;
40 userInputs_ = new HashMap();
41 }
42
43 public void decode(FacesContext context) {
44 Map paramMap = context.getExternalContext().getRequestParameterMap() ;
45 String uicomponent = (String ) paramMap.get(UICOMPONENT) ;
46 if (!getId().equals(uicomponent)) return ;
47 PortletRequest request = (PortletRequest) context.getExternalContext().getRequest();
48 HttpServletRequest httpRequest = (HttpServletRequest ) request;
49 userInputs_.clear();
50 try {
51 if (FileUpload.isMultipartContent(httpRequest)) {
52 DiskFileUpload upload = new DiskFileUpload();
53 List items = upload.parseRequest(httpRequest);
54 Iterator iter = items.iterator();
55 while (iter.hasNext()) {
56 FileItem item = (FileItem) iter.next();
57 if (!item.isFormField()) {
58 String fileField = item.getFieldName();
59 String fileName = item.getName();
60 byte[] buf = item.get();
61 if (buf != null && buf.length > 0) {
62 userInputs_.put(fileField, new UserInput(null, fileName, buf));
63 }
64 }
65 }
66 iter = items.iterator();
67 while (iter.hasNext()) {
68 FileItem item = (FileItem) iter.next();
69 if (item.isFormField()) {
70 String name = item.getFieldName();
71 if (FacesConstants.ACTION.equals(name)) {
72 userAction_ = item.getString();
73 } else {
74 String value = item.getString();
75 int index = name.lastIndexOf("-");
76 String number = name.substring(index + 1, name.length());
77 String fileField = "file-" + number;
78 UserInput input = (UserInput) userInputs_.get(fileField);
79 if (input != null) {
80 input.setName(value);
81 }
82 }
83 }
84 }
85 } else {
86 userAction_ = "cancel";
87 }
88 broadcast(new ExoActionEvent(this, userAction_));
89 } catch (Exception ex) {
90 ex.printStackTrace();
91 }
92 }
93
94 public int getNumberOfField() { return numberOfField_; }
95 public void setNumberOfField(int numberOfField) { numberOfField_ = numberOfField;}
96
97 public String getUserAction() { return userAction_; }
98
99 public String getParentUri() { return parentUri_; }
100
101 public void setParentUri(String uri) { parentUri_ = uri; }
102
103 public Collection getUserInputs() { return userInputs_.values(); }
104
105 public boolean isShowCancel() { return showCancel_ ; }
106 public void setShowCancel(boolean b) { showCancel_ = b ; }
107
108 public boolean isShowHeader() { return showHeader_ ; }
109 public void setShowHeader(boolean b) { showHeader_ = b ; }
110
111 public class UserInput {
112 String fileName_;
113 String name_;
114 byte[] buf_;
115
116 public UserInput(String name, String fileName, byte[] buf) {
117 name_ = name;
118 fileName_ = fileName;
119 buf_ = buf;
120
121 }
122
123 public String getName() { return name_; }
124
125 public void setName(String name) { name_ = name; }
126
127 public String getFileName() { return fileName_; }
128
129 public void setFileName(String name) { fileName_ = name; }
130
131 public byte[] getStream() { return buf_; }
132
133 public void setStream(byte[] buf) { buf_ = buf; }
134 }
135 }
136 |
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