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 $


    protected List parseUploads(ServletRequestContext reqcx, RequestTrans reqtrans,
                                final UploadStatus uploadStatus, String encoding)
            throws FileUploadException, UnsupportedEncodingException {
        // handle file upload
        DiskFileItemFactory factory = new DiskFileItemFactory();
        FileUpload upload = new FileUpload(factory);
        // use upload limit for individual file size, but also set a limit on overall size
        upload.setFileSizeMax(uploadLimit * 1024);
        upload.setSizeMax(totalUploadLimit * 1024);

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            boolean discard = false;


            //
            // parse multipart request and extract the file
            //
            FileItemFactory factory = new DiskFileItemFactory(1048000, new File(System.getProperty("java.io.tmpdir")));
            ServletFileUpload upload = new ServletFileUpload(factory);
            upload.setSizeMax(-1);
            upload.setHeaderEncoding("UTF8");
            try {
                for (Iterator it = upload.parseRequest(request).iterator(); it.hasNext();) {

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public class FileUploadWrapper extends HttpServletRequestWrapper {
  
  /** Constructor.  */
  public FileUploadWrapper(HttpServletRequest aRequest) throws IOException {
    super(aRequest);
    ServletFileUpload upload = new ServletFileUpload( new DiskFileItemFactory());
    try {
      List<FileItem> fileItems = upload.parseRequest(aRequest);
      convertToMaps(fileItems);
    }
    catch(FileUploadException ex){

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    FileItem item = null;
    String comment = null;
    FileItem imageFileFormField = null;
    try
    {
      FileItemFactory factory = new DiskFileItemFactory();
      ServletFileUpload upload = new ServletFileUpload(factory);
      List<?> items = upload.parseRequest(request);
      Iterator<?> iter = items.iterator();
      while(iter.hasNext())
      {

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            parameters.put(param.getKey(), new String[]{param.getValue()});
        }
    }
    
    public void parseRequest() throws FileUploadException{
        DiskFileItemFactory factory = new DiskFileItemFactory();
        if (maxMemorySize > 0){
            factory.setSizeThreshold(maxMemorySize);
        }
        if (tempDirectory != null){
            File tmpDir = new File(tempDirectory);
            if (tmpDir.exists() && tmpDir.isDirectory()){
                factory.setRepository(tmpDir);
            }
        }
        ServletFileUpload upload = new ServletFileUpload(factory);
        if (maxFileSize > 0){
            upload.setFileSizeMax(maxFileSize);

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    public void doPost( HttpServletRequest req, HttpServletResponse res ){


      File disk = null;
      FileItem item = null;
      FileItemFactory factory = new DiskFileItemFactory();
      Iterator iter = null;
      List items = null;
      ServletFileUpload upload = new ServletFileUpload( factory );
      ServletOutputStream out = null;
      try{

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    ServletOutputStream out = null;


    try {
      HttpRequestHolder.setServletRequest(request);
      FileItemFactory factory = new DiskFileItemFactory();
      ServletFileUpload upload = new ServletFileUpload(factory);


      List<FileItem> items = upload.parseRequest(request);
      response.setContentType("text/xml");
      out = response.getOutputStream();

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  public static Map<String, Object> processMultipartRequest(final HttpServletRequest request)
            throws Frame2Exception {
        Map<String, Object> parameters = new HashMap<String, Object>();


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


        // Set factory constraints
        factory.setSizeThreshold(FileUploadConfig.getBufferSize());
        factory.setRepository(new File(FileUploadConfig.getFileTempDir()));
        
        // Create a new file upload handler
        ServletFileUpload upload = new ServletFileUpload(factory);


        // Set overall request size constraint

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    // TODO: This method is not used and should be removed. amb
    public static String uploadAndStoreImage(HttpServletRequest request, String idField, String uploadField) {
        //Delegator delegator = (Delegator) request.getAttribute("delegator");


        //String idFieldValue = null;
        ServletFileUpload fu = new ServletFileUpload(new DiskFileItemFactory(10240, FileUtil.getFile("runtime/tmp")));
        List<FileItem> lst = null;
        Locale locale = UtilHttp.getLocale(request);


        try {
            lst = UtilGenerics.checkList(fu.parseRequest(request));

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        Map<String, FileItem> files = null;
        Map<String, String> fields = null;
        if(actionRequest.getContentType() != null && actionRequest.getContentType().startsWith("multipart/form-data")) {
            files = new HashMap<String, FileItem>();
            fields = new HashMap<String, String>();
            PortletFileUpload request = new PortletFileUpload(new DiskFileItemFactory());
            try {
                List<FileItem> items = request.parseRequest(actionRequest);
                for (FileItem item : items) {
                    if (item.isFormField()) {
                        if (item.getFieldName().equals(MODE_KEY)) {

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