Examples of org.apache.commons.fileupload.disk.DiskFileItemFactory

Package org.apache.commons.fileupload.disk

Examples of org.apache.commons.fileupload.disk.DiskFileItemFactory

org.apache.commons.fileupload.disk.DiskFileItemFactory
The default {@link org.apache.commons.fileupload.FileItemFactory}implementation. This implementation creates {@link org.apache.commons.fileupload.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").
NOTE: Files are created in the system default temp directory with predictable names. This means that a local attacker with write access to that directory can perform a TOUTOC attack to replace any uploaded file with a file of the attackers choice. The implications of this will depend on how the uploaded file is used but could be significant. When using this implementation in an environment with local, untrusted users, {@link #setRepository(File)} MUST be used to configure a repository locationthat is not publicly writable. In a Servlet container the location identified by the ServletContext attribute javax.servlet.context.tempdir may be used.

Temporary files, which are created for file items, should be deleted later on. The best way to do this is using a {@link FileCleaningTracker}, which you can set on the {@link DiskFileItemFactory}. However, if you do use such a tracker, then you must 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.)This is done by the so-called reaper thread, which is started automatically when the class {@link org.apache.commons.io.FileCleaner}is loaded. It might make sense to terminate that thread, for example, if your web application ends. See the section on "Resource cleanup" in the users guide of commons-fileupload.
@since FileUpload 1.1 @version $Id: DiskFileItemFactory.java 1455094 2013-03-11 11:00:14Z simonetripodi $

    }
    
    MultiMapSolrParams params = SolrRequestParsers.parseQueryString( req.getQueryString() );
    
    // Create a factory for disk-based file items
    DiskFileItemFactory factory = new DiskFileItemFactory();


    // Set factory constraints
    // TODO - configure factory.setSizeThreshold(yourMaxMemorySize);
    // TODO - configure factory.setRepository(yourTempDirectory);

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    }
  }


  private DiskFileItemFactory setupFileItemFactory(File repository, ServletContext context)
  {
    DiskFileItemFactory factory = new DiskFileItemFactory();
    factory.setSizeThreshold(DiskFileItemFactory.DEFAULT_SIZE_THRESHOLD);
    factory.setRepository(repository);


    FileCleaningTracker pTracker = FileCleanerCleanup.getFileCleaningTracker(context);
    factory.setFileCleaningTracker(pTracker);


    return factory;
  }

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import org.apache.commons.fileupload.servlet.ServletFileUpload;


public class UploadFileUtils {


  public static FileItem getUploadFile(HttpServletRequest request, String file) throws Exception {
    ServletFileUpload fileUpload = new ServletFileUpload(new DiskFileItemFactory());
    List<FileItem> list = fileUpload.parseRequest(request);
    for(FileItem fileItem: list) {
      if (fileItem.getFieldName().equals(file)) {
        return fileItem;
      }

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      String timestamp = format.format(new java.util.Date());
      
      if(ServletFileUpload.isMultipartContent(req))
      {
        // we'll store them temporarily on disk, then move them to the DB
        FileItemFactory factory = new DiskFileItemFactory();
        
        logger.debug("factory=" + factory);
        
        // upload handler
        ServletFileUpload upload = new ServletFileUpload(factory);

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      response.sendError(HttpServletResponse.SC_BAD_REQUEST, "not a multipart request");
      return;
    }


    // Create a factory for disk-based file items
    DiskFileItemFactory factory = new DiskFileItemFactory();


    // size threshold beyond which files are written directly to disk.
    factory.setSizeThreshold(10*1024);
//    factory.setRepository(yourTempDirectory);


    
    // Create a new file upload handler
    ServletFileUpload upload = new ServletFileUpload(factory);

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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()
    {
      @Override
      public FileCleaningTracker getFileCleaningTracker()
      {
        IFileCleaner fileCleaner = Application.get()

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


    DiskFileItemFactory itemFactory = new DiskFileItemFactory()
    {
      @Override
      public FileCleaningTracker getFileCleaningTracker()
      {
        return new FileCleanerTrackerAdapter(fileUploadCleaner);
      }
    };
    FileItem fileItem = itemFactory.createItem("dummyFieldName",
        "text/java", false, "FileUploadTest.java");
    // Initialize the upload
    fileItem.getOutputStream();


    // Get the internal list out

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    String serverPath = WidgetPackageUtils.convertPathToPlatform(uploadPath);


    //
    // Create a factory for disk-based file items
    //
    DiskFileItemFactory factory = new DiskFileItemFactory();


    //
    // Create a new file upload handler
    //
    ServletFileUpload upload = new ServletFileUpload(factory);

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        // process only multipart requests
        if (ServletFileUpload.isMultipartContent(req)) {


            // Create a factory for disk-based file items
            FileItemFactory factory = new DiskFileItemFactory();


            // Create a new file upload handler
            ServletFileUpload upload = new ServletFileUpload(factory);


            // Parse the request

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        HttpSession session = request.getSession(true);
        GenericValue userLogin = (GenericValue) session.getAttribute("userLogin");
        LocalDispatcher dispatcher = (LocalDispatcher) request.getAttribute("dispatcher");
        
        Map<String, String> formInput = FastMap.newInstance();
        ServletFileUpload fu = new ServletFileUpload(new DiskFileItemFactory(10240, FileUtil.getFile("runtime/tmp")));
        List<FileItem> lst = null;
        try {
           lst = UtilGenerics.checkList(fu.parseRequest(request));
        } catch (FileUploadException e4) {
            return e4.getMessage();

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