Example usage for javax.servlet.http Part delete

Introduction

In this page you can find the example usage for javax.servlet.http Part delete.

Prototype

public void delete() throws IOException;

Source Link

Document

Deletes the underlying storage for a file item, including deleting any associated temporary disk file.

Usage

From source file:com.galenframework.storage.controllers.api.PageApiController.java

private FileInfo copyImageToStorage(Request req) throws IOException, ServletException {
    if (req.raw().getAttribute("org.eclipse.jetty.multipartConfig") == null) {
        MultipartConfigElement multipartConfigElement = new MultipartConfigElement(
                System.getProperty("java.io.tmpdir"));
        req.raw().setAttribute("org.eclipse.jetty.multipartConfig", multipartConfigElement);
    }//w  w w  .  j  av  a  2s  .  c o m

    Part file = req.raw().getPart("file");
    FileInfo imageInfo = fileStorage.saveImageToStorage(file.getInputStream());
    file.delete();
    return imageInfo;
}

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From source file:com.sishuok.chapter4.web.servlet.UploadServlet.java

@Override
protected void doPost(final HttpServletRequest req, final HttpServletResponse resp)
        throws ServletException, IOException {

    try {//  ww w  .  j  av a 2 s  .c  om

        //servlet?Partnull
        //9.0.4.v20130625 ??
        System.out.println(req.getParameter("name"));

        //?Part
        System.out.println("\n\n==========file1");
        Part file1Part = req.getPart("file1"); //?? ?Part
        InputStream file1PartInputStream = file1Part.getInputStream();
        System.out.println(IOUtils.toString(file1PartInputStream));
        file1PartInputStream.close();

        // ??
        System.out.println("\n\n==========file2");
        Part file2Part = req.getPart("file2");
        InputStream file2PartInputStream = file2Part.getInputStream();
        System.out.println(IOUtils.toString(file2PartInputStream));
        file2PartInputStream.close();

        System.out.println("\n\n==========parameter name");
        //????
        System.out.println(IOUtils.toString(req.getPart("name").getInputStream()));
        //Part??? jettyparameters??
        System.out.println(req.getParameter("name"));

        //?? ? req.getInputStream(); ??

        System.out.println("\n\n=============all part");
        for (Part part : req.getParts()) {
            System.out.println("\n\n=========name:::" + part.getName());
            System.out.println("=========size:::" + part.getSize());
            System.out.println("=========content-type:::" + part.getContentType());
            System.out
                    .println("=========header content-disposition:::" + part.getHeader("content-disposition"));
            System.out.println("=========file name:::" + getFileName(part));
            InputStream partInputStream = part.getInputStream();
            System.out.println("=========value:::" + IOUtils.toString(partInputStream));

            //
            partInputStream.close();
            // ? ? ?
            part.delete();

        }

    } catch (IllegalStateException ise) {
        //
        ise.printStackTrace();
        String errorMsg = ise.getMessage();
        if (errorMsg.contains("Request exceeds maxRequestSize")) {
            //?
        } else if (errorMsg.contains("Multipart Mime part file1 exceeds max filesize")) {
            //? ??
        } else {
            //
        }
    }

}

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From source file:net.voidfunction.rm.master.AdminServlet.java

protected void doPost(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    response.setHeader("Date", HTTPUtils.getServerTime(0));
    response.setContentType("text/html");
    response.setStatus(HttpServletResponse.SC_OK);

    Part uploadFile = request.getPart("uploadfile");
    if (uploadFile == null)
        throw new ServletException("Uploaded file is null.");

    // Get some info about the file
    String filename = getFilename(uploadFile);
    String contentType = uploadFile.getContentType();
    long size = uploadFile.getSize();
    byte[] hash = FileUtils.sha256Hash(uploadFile.getInputStream());

    // Create a new file object, add it to the database, and store data
    RMFile newFile = new RMFile(filename, contentType, size, hash);
    node.getFileRepository().addFile(newFile, uploadFile.getInputStream());

    // Output data for interested parties
    Template tpl = new Template(new File(templateDir + "uploadsuccess.tpl"));
    tpl.assign("FILENAME", filename);
    tpl.assign("SIZE", String.valueOf(size));
    tpl.assign("TYPE", contentType);
    tpl.assign("HASH", Hex.encodeHexString(hash));
    tpl.assign("FILEID", newFile.getId());
    tpl.parse("main");
    response.getWriter().print(tpl.out());

    // Delete temp file
    uploadFile.delete();

    // Log/*from w ww.  j  a v  a  2s .  c  o  m*/
    node.getLog().info("New file added (via web): " + newFile.getId() + " (" + newFile.getName() + ")");
}

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From source file:org.springframework.web.multipart.support.StandardServletMultipartResolver.java

@Override
public void cleanupMultipart(MultipartHttpServletRequest request) {
    // To be on the safe side: explicitly delete the parts,
    // but only actual file parts (for Resin compatibility)
    try {// w  w  w .  j ava2s .  c  om
        for (Part part : request.getParts()) {
            if (request.getFile(part.getName()) != null) {
                part.delete();
            }
        }
    } catch (Throwable ex) {
        LogFactory.getLog(getClass()).warn("Failed to perform cleanup of multipart items", ex);
    }
}

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