Example usage for javax.servlet ServletContext getMimeType

Introduction

In this page you can find the example usage for javax.servlet ServletContext getMimeType.

Prototype

public String getMimeType(String file);

Source Link

Document

Returns the MIME type of the specified file, or null if the MIME type is not known.

Usage

From source file:org.apache.wiki.rss.Feed.java

/**
 * A helper method for figuring out the MIME type for an enclosure.
 *
 * @param c    A ServletContext//from w ww  .ja va  2s. com
 * @param name The filename
 * @return Something sane for a MIME type.
 */
protected String getMimeType(ServletContext c, String name) {
    String type = c.getMimeType(name);

    if (type == null) {
        type = "application/octet-stream";
    }

    return type;
}

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From source file:gov.nih.nci.firebird.web.common.Struts2UploadedFileInfoTest.java

@Test
public void testResolveContentTypeWithSystem() throws IOException {
    FileUtils.writeByteArrayToFile(file, new byte[10]);
    ServletContext ctx = mock(ServletContext.class);
    info.setDataFileName("funny.extention");
    assertNull(ctx.getMimeType(info.getDataFileName()));
    info.resolveContentType(ctx);//from   ww w . ja  v a 2 s  .c om
    assertEquals("application/octet-stream", info.getDataContentType());
}

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From source file:fr.insalyon.creatis.vip.query.server.rpc.FileDownload.java

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

    User user = (User) req.getSession().getAttribute(CoreConstants.SESSION_USER);
    String queryId = req.getParameter("queryid");
    String path = req.getParameter("path");
    String queryName = req.getParameter("name");
    String tab[] = path.split("/");

    if (user != null && queryId != null && !queryId.isEmpty()) {

        try {/*from  ww  w.  ja v  a2 s  .  co m*/

            String k = new String();

            int l = tab.length;
            for (int i = 0; i < l - 1; i++) {
                k += "//" + tab[i];
            }
            File file = new File(k);
            logger.info("that" + k);
            if (file.isDirectory()) {

                file = new File(k + "/" + tab[l - 1]);

            }
            int length = 0;
            ServletOutputStream op = resp.getOutputStream();
            ServletContext context = getServletConfig().getServletContext();
            String mimetype = context.getMimeType(file.getName());

            logger.info("(" + user.getEmail() + ") Downloading '" + file.getAbsolutePath() + "'.");

            resp.setContentType((mimetype != null) ? mimetype : "application/octet-stream");
            resp.setContentLength((int) file.length());
            //name of the file in servlet download
            resp.setHeader("Content-Disposition", "attachment; filename=\"" + queryName + "_"
                    + getCurrentTimeStamp().toString().replaceAll(" ", "_") + ".txt" + "\"");

            byte[] bbuf = new byte[4096];
            DataInputStream in = new DataInputStream(new FileInputStream(file));

            while ((in != null) && ((length = in.read(bbuf)) != -1)) {
                op.write(bbuf, 0, length);
            }

            in.close();
            op.flush();
            op.close();
        } catch (Exception ex) {
            logger.error(ex);
        }

    }
}

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From source file:org.pentaho.test.platform.web.GetResourceIT.java

@Before
public void setUp() throws PlatformInitializationException, ServletException {
    request = mock(HttpServletRequest.class);
    when(request.getMethod()).thenReturn("GET");

    response = mock(HttpServletResponse.class);

    servlet = spy(new GetResource());
    final ServletConfig servletConfig = mock(ServletConfig.class);
    final ServletContext servletContext = mock(ServletContext.class);
    when(servletContext.getMimeType(anyString())).thenReturn(TEST_MIME_TYPE);
    when(servletConfig.getServletContext()).thenReturn(servletContext);
    servlet.init(servletConfig);//from ww  w .j a v a 2  s .  c  o  m

    mp.start();
}

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From source file:com.rhythm.louie.info.DownloadServlet.java

private void downloadFile(HttpServletRequest request, HttpServletResponse response, String filePath)
        throws IOException {
    if (filePath.isEmpty()) {
        response.sendError(HttpServletResponse.SC_NOT_FOUND);
        return;//from ww w  .j  a va 2  s . c om
    }
    File file = new File(filePath);
    int length = 0;
    try (ServletOutputStream outStream = response.getOutputStream()) {
        ServletContext context = getServletConfig().getServletContext();

        String mimetype = context.getMimeType(filePath);

        // sets response content type
        if (mimetype == null) {
            mimetype = "application/octet-stream";
        }
        response.setContentType(mimetype);
        response.setContentLength((int) file.length());
        String fileName = (new File(filePath)).getName();

        // sets HTTP header
        response.setHeader("Content-Disposition", "attachment; filename=\"" + fileName + "\"");

        byte[] byteBuffer = new byte[4096];
        // reads the file's bytes and writes them to the response stream
        try (DataInputStream in = new DataInputStream(new FileInputStream(file))) {
            // reads the file's bytes and writes them to the response stream
            while ((in != null) && ((length = in.read(byteBuffer)) != -1)) {
                outStream.write(byteBuffer, 0, length);
            }
        }
    }
}

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From source file:gov.nih.nci.firebird.web.common.Struts2UploadedFileInfo.java

/**
 * @return file type according to the web-app.
 * @see ServletContext#getMimeType(java.lang.String) .
 *//*w w  w  . jav a 2  s  .c om*/
private String getContextFileType(ServletContext context) {
    return context.getMimeType(dataFileName);
}

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From source file:cpabe.controladores.UploadDecriptacaoServlet.java

protected void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {

    String fileName = request.getParameter("fileName");
    if (fileName == null || fileName.equals("")) {
        throw new ServletException("O nome do arquivo no pode ser null ou vazio.");
    }//from  ww w. j  av a  2  s  .c o  m
    File file = new File(request.getServletContext().getAttribute("FILES_DIR") + File.separator + fileName);
    if (!file.exists()) {
        throw new ServletException("O arquivo desejado no existe no Servidor.");
    }
    System.out.println("File location on server::" + file.getAbsolutePath());
    ServletContext ctx = getServletContext();
    InputStream fis = new FileInputStream(file);
    String mimeType = ctx.getMimeType(file.getAbsolutePath());
    response.setContentType(mimeType != null ? mimeType : "application/octet-stream");
    response.setContentLength((int) file.length());
    response.setHeader("Content-Disposition", "attachment; filename=\"" + fileName + "\"");

    ServletOutputStream os = response.getOutputStream();
    byte[] bufferData = new byte[1024];
    int read = 0;
    while ((read = fis.read(bufferData)) != -1) {
        os.write(bufferData, 0, read);
    }
    os.flush();
    os.close();
    fis.close();
    System.out.println("File downloaded at client successfully");
}

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From source file:com.Uploader.java

/**
 * Handles the HTTP <code>GET</code> method.
 *
 * @param request servlet request//from  w  ww.j  a v a2s .c  o  m
 * @param response servlet response
 * @throws ServletException if a servlet-specific error occurs
 * @throws IOException if an I/O error occurs
 */
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    //  processRequest(request, response);
    String fileName = request.getParameter("fileName");
    if (fileName == null || fileName.equals("")) {
        throw new ServletException("File Name can't be null or empty");
    }
    File file = new File(request.getServletContext().getAttribute("FILES_DIR") + File.separator + fileName);
    if (!file.exists()) {
        throw new ServletException("File doesn't exists on server.");
    }
    System.out.println("File location on server::" + file.getAbsolutePath());
    ServletContext ctx = getServletContext();
    InputStream fis = new FileInputStream(file);
    String mimeType = ctx.getMimeType(file.getAbsolutePath());
    response.setContentType(mimeType != null ? mimeType : "application/octet-stream");
    response.setContentLength((int) file.length());
    response.setHeader("Content-Disposition", "attachment; filename=\"" + fileName + "\"");

    ServletOutputStream os = response.getOutputStream();
    byte[] bufferData = new byte[1024];
    int read = 0;
    while ((read = fis.read(bufferData)) != -1) {
        os.write(bufferData, 0, read);
    }
    os.flush();
    os.close();
    fis.close();
    System.out.println("File downloaded at client successfully");
}

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From source file:com.evolveum.midpoint.gui.impl.util.ReportPeerQueryInterceptor.java

@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    if (!checkRequest(request, response, OPERATION_GET_REPORT)) {
        return;//from   w  w w  .j av  a2  s .  c  om
    }

    String fileName = getFileName(request);

    if (containsProhibitedQueryString(fileName)) {
        LOGGER.debug("Query parameter contains a prohibited character sequence. The parameter: {} ", fileName);
        response.setStatus(HttpServletResponse.SC_FORBIDDEN);
        return;
    }

    StringBuilder buildfilePath = new StringBuilder(EXPORT_DIR).append(fileName);
    String filePath = buildfilePath.toString();

    File loadedFile = new File(filePath);

    if (!isFileAndExists(loadedFile, fileName, response, OPERATION_GET_REPORT)) {
        return;
    }

    FileInputStream fileInputStream = new FileInputStream(filePath);

    ServletContext context = getServletContext();
    String mimeType = context.getMimeType(filePath);

    if (mimeType == null) {
        // MIME mapping not found
        mimeType = DEFAULTMIMETYPE;
    }

    response.setContentType(mimeType);
    response.setContentLength((int) loadedFile.length());

    StringBuilder headerValue = new StringBuilder("attachment; filename=\"%s\"").append(fileName);
    response.setHeader("Content-Disposition", headerValue.toString());

    OutputStream outputStream = response.getOutputStream();

    byte[] buffer = new byte[1024];
    int len;
    while ((len = fileInputStream.read(buffer)) > -1) {
        outputStream.write(buffer, 0, len);
    }
    IOUtils.closeQuietly(fileInputStream);
    IOUtils.closeQuietly(outputStream);
    LOGGER.trace("The file {} has been dispatched to the client.", fileName);

}

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From source file:br.org.indt.ndg.servlets.OpenRosaManagement.java

protected void doPost(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    m_openRosaBD.setPortAndAddress(SystemProperties.getServerAddress());

    String action = request.getParameter(ACTION_PARAM);

    if (SET_AVAILABLE_FOR_USER.equals(action)) {
        String selectedImei = request.getParameter(SELECTED_IMEI_PARAM);
        String[] selectedSurveyIds = request.getParameterValues(SELECTED_SURVEY_ID_PARAM);
        if (selectedImei != null && selectedSurveyIds != null) {
            log.info("IMEI: " + selectedImei);
            for (int i = 0; i < selectedSurveyIds.length; i++) {
                log.info("Survey id:" + selectedSurveyIds[i]);
            }// w w w.  j a va 2 s. c o m
        }
        boolean result = m_openRosaBD.makeSurveysAvailableForImei(selectedImei, selectedSurveyIds);
        request.setAttribute(RESULT_ATTR, result);
        dispatchSurveysForUserSelectionPage(request, response);
    } else if (EXPORT_RESULTS_FOR_USER.equals(action)) {
        ServletOutputStream outputStream = null;
        FileInputStream fileInputStream = null;
        DataInputStream dataInputStream = null;
        File file = null;
        try {
            String zipFilename = m_openRosaBD.exportZippedResultsForUser("223344556677");
            file = new File(zipFilename);
            int length = 0;
            outputStream = response.getOutputStream();
            ServletContext context = getServletConfig().getServletContext();
            String mimetype = context.getMimeType("application/octet-stream");

            response.setContentType(mimetype);
            response.setContentLength((int) file.length());
            response.setHeader("Content-Disposition", "attachment; filename=\"" + zipFilename + "\"");

            byte[] bbuf = new byte[1024];
            fileInputStream = new FileInputStream(file);
            dataInputStream = new DataInputStream(fileInputStream);

            while ((dataInputStream != null) && ((length = dataInputStream.read(bbuf)) != -1)) {
                outputStream.write(bbuf, 0, length);
            }
            outputStream.flush();
        } catch (FileNotFoundException ex) {
            ex.printStackTrace();
        } finally {
            try {
                if (fileInputStream != null)
                    fileInputStream.close();
                if (dataInputStream != null)
                    dataInputStream.close();
                if (fileInputStream != null)
                    fileInputStream.close();
            } catch (IOException ex) {
                ex.printStackTrace();
            }
            file.delete();
        }
    }
}

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