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

org.apache.wicket.util.upload.FileItem

This class represents a file or form item that was received within a multipart/form-data POST request.
After retrieving an instance of this class from a {@link org.apache.wicket.util.upload.FileUpload FileUpload} instance (see{@link org.apache.wicket.util.upload.FileUpload#parseRequest(javax.servlet.http.HttpServletRequest)}), you may either request all contents of the file at once using {@link #get()} or request an{@link java.io.InputStream InputStream} with {@link #getInputStream()} and process the filewithout attempting to load it into memory, which may come handy with large files.
While this interface does not extend javax.activation.DataSource per se (to avoid a seldom used dependency), several of the defined methods are specifically defined with the same signatures as methods in that interface. This allows an implementation of this interface to also implement javax.activation.DataSource with minimal additional work. @author Rafal Krzewski @author Sean Legassick @author Jason van Zyl @author Martin Cooper

   */
  public void testGetInputStream() throws Exception
  {
    IFileUploadCleaner fileUploadCleaner = new FileUploadCleaner();


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


    // Get the internal list out
    Field inputStreamsField = FileUpload.class.getDeclaredField("inputStreamsToClose");
    inputStreamsField.setAccessible(true);

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    // Loop through items
    for (Iterator<FileItem> i = items.iterator(); i.hasNext();)
    {
      // Get next item
      final FileItem item = i.next();


      // If item is a form field
      if (item.isFormField())
      {
        // Set parameter value
        final String value;
        if (encoding != null)
        {
          try
          {
            value = item.getString(encoding);
          }
          catch (UnsupportedEncodingException e)
          {
            throw new WicketRuntimeException(e);
          }
        }
        else
        {
          value = item.getString();
        }


        addParameter(item.getFieldName(), value);
      }
      else
      {
        // Add to file list
        files.put(item.getFieldName(), item);
      }
    }
  }

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    // If we successfully installed a multipart request
    if (request instanceof IMultipartWebRequest)
    {
      // Get the item for the path
      final FileItem item = ((IMultipartWebRequest)request).getFile(getInputName());


      // Only update the model when there is a file (larger than zero
      // bytes)
      if (item != null && item.getSize() > 0)
      {
        if (fileUpload == null)
        {
          fileUpload = new FileUpload(item);
        }

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    // If we successfully installed a multipart request
    if (request instanceof IMultipartWebRequest)
    {
      // Get the item for the path
      final FileItem item = ((IMultipartWebRequest)request).getFile(getInputName());


      // Only update the model when there is a file (larger than zero
      // bytes)
      if (item != null && item.getSize() > 0)
      {
        if (fileUpload == null)
        {
          fileUpload = new FileUpload(item);
        }

View Full Code Here

   */
  public void testGetInputStream() 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
    Field inputStreamsField = FileUpload.class.getDeclaredField("inputStreamsToClose");
    inputStreamsField.setAccessible(true);

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    // If we successfully installed a multipart request
    if (request instanceof IMultipartWebRequest)
    {
      // Get the item for the path
      final FileItem item = ((IMultipartWebRequest)request).getFile(getInputName());


      // Only update the model when there is a file (larger than zero
      // bytes)
      if (item != null && item.getSize() > 0)
      {
        if (fileUpload == null)
        {
          fileUpload = new FileUpload(item);
        }

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        {
          // iterate over the map and build the list of filenames


          final Entry entry = (Entry)it.next();
          final String name = (String)entry.getKey();
          final FileItem item = (FileItem)entry.getValue();


          if (!Strings.isEmpty(name) &&
              name.startsWith(getInputName() + MAGIC_SEPARATOR) &&
              !Strings.isEmpty(item.getName()))
          {


            // make sure the fileitem belongs to this component and
            // is not empty

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    // If we successfully installed a multipart request
    if (request instanceof IMultipartWebRequest)
    {
      // Get the item for the path
      final FileItem item = ((IMultipartWebRequest)request).getFile(getInputName());


      // Only update the model when there is a file (larger than zero
      // bytes)
      if (item != null && item.getSize() > 0)
      {
        if (fileUpload == null)
        {
          fileUpload = new FileUpload(item);
        }

View Full Code Here


    // If we successfully installed a multipart request
    if (request instanceof IMultipartWebRequest)
    {
      // Get the item for the path
      final FileItem item = ((IMultipartWebRequest)request).getFile(getInputName());


      // Only update the model when there is a file (larger than zero
      // bytes)
      if (item != null && item.getSize() > 0)
      {
        if (fileUpload == null)
        {
          fileUpload = new FileUpload(item);
        }

View Full Code Here


    // If we successfully installed a multipart request
    if (request instanceof IMultipartWebRequest)
    {
      // Get the item for the path
      final FileItem item = ((IMultipartWebRequest)request).getFile(getInputName());


      // Only update the model when there is a file (larger than zero
      // bytes)
      if (item != null && item.getSize() > 0)
      {
        if (fileUpload == null)
        {
          fileUpload = new FileUpload(item);
        }

View Full Code Here

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org.apache.wicket.markup.html.form.upload.FileUploadTest

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org.apache.wicket.protocol.http.servlet.MultipartServletWebRequest

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