public String getCaption() 
{
        return caption;
}

 public File getUpload() 
{
        return upload;
}

 public String getUploadContentType() 
{
        return contentType;
}

 public String getUploadFileName() 
{
    // since we are using < s:file name="upload" .../ > the file name will be
    // obtained through getter/setter of < file-tag-name >FileName
        return fileName;
}

 public  void setCaption(String caption) 
{
        this.caption = caption;
}

 public  void setUpload(File upload) 
{
        this.upload = upload;
}

 public  void setUploadContentType(String contentType) 
{
        this.contentType = contentType;
}

 public  void setUploadFileName(String fileName) 
{
        this.fileName = fileName;
}

 public String upload() throws Exception 
{
        return SUCCESS;
}