I have a little problem then upload a file from a servlet. The upload is succesful but i must manually refresh my image directory (in WebContent) for see the uploaded image on the website.
here my form for choose the file :
<form action="SRVLTInsererImage" method="POST" enctype="multipart/form-data">
<div>
<div>
<label>Choisir une catégorie</label>
<select name="id_categorie">
<c:forEach var="item" items="${categories}">
<option value="${item.idCategorie}">${item.nomCategorie}</option>
</c:forEach>
</select>
</div>
<div>
<label>Titre</label>
<input type="text" name="nom_image" />
</div>
<div>
<label>Description</label>
<textarea name="desc_image"></textarea>
</div>
</div>
<div>
<input type="file" name="file" size="1024" multiple="multiple"/>
<input type="submit" name="insertimage" value="Upload Fichier" />
</div>
</form>
and here the code for my servlet who make the upload
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
String idcategorie = "null";
String nomImage = "Pas de titre";
String descImage = "Pas de description";
String urlImage = "nullurl";
isMultipart = ServletFileUpload.isMultipartContent(request);
response.setContentType("text/html");
java.io.PrintWriter out = response.getWriter( );
if( !isMultipart ){
//redirection vers jsp de "pas d'upload"
}
DiskFileItemFactory factory = new DiskFileItemFactory();
factory.setSizeThreshold(maxMemSize);
factory.setRepository(new File("c:\\temp"));
ServletFileUpload upload = new ServletFileUpload(factory);
upload.setSizeMax( maxFileSize );
try{
List fileItems = upload.parseRequest(request);
Iterator i = fileItems.iterator();
while ( i.hasNext () )
{
FileItem fi = (FileItem)i.next();
if ( !fi.isFormField () )
{
// Get the uploaded file parameters
String fieldName = fi.getFieldName();
String fileName = fi.getName();
String contentType = fi.getContentType();
boolean isInMemory = fi.isInMemory();
long sizeInBytes = fi.getSize();
// Write the file
if( fileName.lastIndexOf("\\") >= 0 ){
file = new File( filePath + fileName.substring( fileName.lastIndexOf("\\"))) ;
}else{
file = new File( filePath + fileName.substring(fileName.lastIndexOf("\\")+1)) ;
}
urlImage = file.getName();
fi.write( file ) ;
}
else
{
String fieldname = fi.getFieldName();
String fieldvalue = fi.getString();
if (fieldname.equals("id_categorie"))
idcategorie = fieldvalue;
else if (fieldname.equals("nom_image"))
nomImage = fieldvalue;
else if (fieldname.equals("desc_image"))
descImage = fieldvalue;
}
}
//here i adding the URLimage with hibernate in the database
RequestDispatcher req = request.getRequestDispatcher("/index.jsp");
req.forward(request, response);
}catch(Exception ex) {
System.out.println(ex);
}
}
So, then i submit the form you see befor, and i will be redirect on index.jsp, if i click the "showAllImage" button i will see the older image and a little icone then a path for the img html tag is not existing. If i manually refresh my directory where my images are, and refresh the website, i will see all the images including the new uploaded image.
Why have it this probleme ? And how can i solve it ?
thanks
