Examples of org.apache.commons.io.FileCleaningTracker

org.apache.commons.io.FileCleaningTracker
Keeps track of files awaiting deletion, and deletes them when an associated marker object is reclaimed by the garbage collector.
This utility creates a background thread to handle file deletion. Each file to be deleted is registered with a handler object. When the handler object is garbage collected, the file is deleted.
In an environment with multiple class loaders (a servlet container, for example), you should consider stopping the background thread if it is no longer needed. This is done by invoking the method {@link #exitWhenFinished}, typically in {@link javax.servlet.ServletContextListener#contextDestroyed} or similar. @version $Id: FileCleaningTracker.java 1563233 2014-01-31 19:58:50Z ggregory $

  {
    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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     */
    public FileItem createItem(String fieldName, String contentType,
            boolean isFormField, String fileName) {
        DiskFileItem result = new DiskFileItem(fieldName, contentType,
                isFormField, fileName, sizeThreshold, repository);
        FileCleaningTracker tracker = getFileCleaningTracker();
        if (tracker != null) {
            tracker.track(result.getTempFile(), result);
        }
        return result;
    }

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     * @param sce The servlet context, used for calling
     *   {@link #setFileCleaningTracker(ServletContext, FileCleaningTracker)}.
     */
    public void contextInitialized(ServletContextEvent sce) {
        setFileCleaningTracker(sce.getServletContext(),
                new FileCleaningTracker());
    }

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  /**
   * Construct.
   */
  public FileCleaner()
  {
    cleaner = new FileCleaningTracker();
  }

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  {
    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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     * @param sce The servlet context, used for calling
     *   {@link #setFileCleaningTracker(ServletContext, FileCleaningTracker)}.
     */
    public void contextInitialized(ServletContextEvent sce) {
        setFileCleaningTracker(sce.getServletContext(),
                new FileCleaningTracker());
    }

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     */
    public FileItem createItem(String fieldName, String contentType,
            boolean isFormField, String fileName) {
        DiskFileItem result = new DiskFileItem(fieldName, contentType,
                isFormField, fileName, sizeThreshold, repository);
        FileCleaningTracker tracker = getFileCleaningTracker();
        if (tracker != null) {
            tracker.track(result.getTempFile(), this);
        }
        return result;
    }

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      }
      if(uploadDir != null) {
        diskFileItemFactory.setRepository(new File(uploadDir));
      }


            FileCleaningTracker fileCleaningTracker = FileCleanerCleanup.getFileCleaningTracker(httpServletRequest.getSession().getServletContext());
            if(fileCleaningTracker != null) {
                diskFileItemFactory.setFileCleaningTracker(fileCleaningTracker);
            }


      ServletFileUpload servletFileUpload = new ServletFileUpload(diskFileItemFactory);

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    progressTracker = ProgressTrackerSingleton.getSingleton();
  }


  public void destroy() {
    FileCleaningTracker cleaner = FileCleanerCleanup.getFileCleaningTracker(this.getServletContext());
    if( null != cleaner ) {
      cleaner.exitWhenFinished();
    }
  }

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                return progress.isCanceled();
            }
        };
        
        DiskFileItemFactory fileItemFactory = new DiskFileItemFactory();
        fileItemFactory.setFileCleaningTracker(new FileCleaningTracker());
        
        ServletFileUpload upload = new ServletFileUpload(fileItemFactory);
        upload.setProgressListener(new ProgressListener() {
            boolean setContentLength = false;
            long lastBytesRead = 0;

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