Examples of org.apache.wicket.util.upload.DiskFileItemFactory

org.apache.wicket.util.upload.DiskFileItemFactory
The default {@link org.apache.wicket.util.upload.FileItemFactory} implementation. Thisimplementation creates {@link org.apache.wicket.util.upload.FileItem} instances which keep theircontent either in memory, for smaller items, or in a temporary file on disk, for larger items. The size threshold, above which content will be stored on disk, is configurable, as is the directory in which temporary files will be created.

If not otherwise configured, the default configuration values are as follows:
- Size threshold is 10KB.
- Repository is the system default temp directory, as returned by System.getProperty("java.io.tmpdir").
When using the DiskFileItemFactory, then you should consider the following: Temporary files are automatically deleted as soon as they are no longer needed. (More precisely, when the corresponding instance of {@link java.io.File} is garbage collected.) Cleaning up thosefiles is done by an instance of {@link FileCleaningTracker}, and an associated thread. In a complex environment, for example in a web application, you should consider terminating this thread, for example, when your web application ends. See the section on "Resource cleanup" in the users guide of commons-fileupload.
@author Martin Cooper

   *             Thrown if something goes wrong with upload
   */
  public MultipartServletWebRequestImpl(HttpServletRequest request, String filterPrefix,
    Bytes maxSize, String upload) throws FileUploadException
  {
    this(request, filterPrefix, maxSize, upload, new DiskFileItemFactory(Application.get()
      .getResourceSettings()
      .getFileCleaner()));
  }

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   *             Thrown if something goes wrong with upload
   */
  public MultipartServletWebRequestImpl(HttpServletRequest request, String filterPrefix,
    Bytes maxSize, String upload) throws FileUploadException
  {
    this(request, filterPrefix, maxSize, upload, new DiskFileItemFactory(Application.get()
      .getResourceSettings()
      .getFileCleaner()));
  }

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  @Test
  public void getInputStream() throws Exception
  {
    IFileCleaner fileUploadCleaner = new FileCleaner();


    FileItem fileItem = new DiskFileItemFactory(fileUploadCleaner).createItem("dummyFieldName",
      "text/java", false, "FileUploadTest.java");
    // Initialize the upload
    fileItem.getOutputStream();


    // Get the internal list out

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   *             Thrown if something goes wrong with upload
   */
  public MultipartServletWebRequestImpl(HttpServletRequest request, String filterPrefix,
    Bytes maxSize, String upload) throws FileUploadException
  {
    this(request, filterPrefix, maxSize, upload, new DiskFileItemFactory(Application.get()
      .getResourceSettings()
      .getFileCleaner()));
  }

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   *             Thrown if something goes wrong with upload
   */
  public MultipartServletWebRequestImpl(HttpServletRequest request, String filterPrefix,
    Bytes maxSize) throws FileUploadException
  {
    this(request, filterPrefix, maxSize, new DiskFileItemFactory(Application.get()
      .getResourceSettings()
      .getFileUploadCleaner()));
  }

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      String fieldName = "pulledFileUpload";  // not sure how to get the real value in here...
      String contentType = method.getResponseHeader("Content-Type").getValue();
      String name = url.getPath();
      boolean isFormField = true;


      DiskFileItemFactory factory = new DiskFileItemFactory();
      FileItem fileItem = factory.createItem(fieldName, contentType, isFormField, name);
      IOUtils.copy(method.getResponseBodyAsStream(), fileItem.getOutputStream());


      return new PulledFileUpload(url, fileItem);
    } catch (MalformedURLException e) {
      ConversionException ex = new ConversionException("Can't convert " + value + " into a URL.", e);

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   * 
   * @throws Exception 
   */
  public void testGetInputStream() throws Exception
  {
    FileItem fileItem = new DiskFileItemFactory().createItem("dummyFieldName", "text/java", false, "FileUploadTest.java");
    // Initialize the upload
    fileItem.getOutputStream();
    
    // Get the internal list out
    Field inputStreamsField = FileUpload.class.getDeclaredField("inputStreamsToClose");

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    if (!isMultipart)
    {
      throw new IllegalStateException("ServletRequest does not contain multipart content");
    }


    DiskFileItemFactory factory = new DiskFileItemFactory();


    // Configure the factory here, if desired.
    ServletFileUpload upload = new ServletFileUpload(factory);


    // The encoding that will be used to decode the string parameters

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