Example usage for javax.servlet.http HttpServletResponse setContentLength

Introduction

In this page you can find the example usage for javax.servlet.http HttpServletResponse setContentLength.

Prototype

public void setContentLength(int len);

Source Link

Document

Sets the length of the content body in the response In HTTP servlets, this method sets the HTTP Content-Length header.

Usage

From source file:com.novartis.pcs.ontology.rest.servlet.SynonymsServlet.java

@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    String mediaType = getExpectedMediaType(request);
    String pathInfo = StringUtils.trimToNull(request.getPathInfo());
    if (mediaType == null || !MEDIA_TYPE_JSON.equals(mediaType)) {
        response.setStatus(HttpServletResponse.SC_UNSUPPORTED_MEDIA_TYPE);
        response.setContentLength(0);
    } else if (pathInfo == null || pathInfo.length() == 1) {
        response.setStatus(HttpServletResponse.SC_NOT_FOUND);
        response.setContentLength(0);/*from  ww w . ja  v a2 s . c  o  m*/
    } else {
        String datasourceAcronym = null;
        String vocabRefId = null;
        boolean pending = Boolean.parseBoolean(request.getParameter("pending"));
        int i = pathInfo.indexOf('/', 1);
        if (i != -1) {
            datasourceAcronym = pathInfo.substring(1, i);
            vocabRefId = pathInfo.substring(i + 1);
        } else {
            datasourceAcronym = pathInfo.substring(1);
        }
        serialize(datasourceAcronym, vocabRefId, pending, response);
    }
}

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From source file:com.ikon.servlet.MimeIconServlet.java

/**
 * /* w  ww. ja  v  a2 s  . c  o  m*/
 */
public void doGet(HttpServletRequest request, HttpServletResponse response)
        throws IOException, ServletException {
    String mime = request.getPathInfo();
    OutputStream os = null;

    try {
        if (mime.length() > 1) {
            MimeType mt = MimeTypeDAO.findByName(mime.substring(1));

            if (mt != null) {
                byte[] img = SecureStore.b64Decode(new String(mt.getImageContent()));
                response.setContentType(mt.getImageMime());
                response.setContentLength(img.length);
                os = response.getOutputStream();
                os.write(img);
                os.flush();
            }
        }
    } catch (DatabaseException e) {
        log.error(e.getMessage(), e);
    } finally {
        IOUtils.closeQuietly(os);
    }
}

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From source file:org.openmrs.module.emtfrontend.web.controller.EmtFrontendFormController.java

private void returnPdf(HttpServletResponse response, File pdfFile, String filenameToReturn)
        throws FileNotFoundException, IOException {
    response.setContentType("application/pdf");
    response.addHeader("Content-Disposition", "attachment; filename=" + filenameToReturn);
    response.setContentLength((int) pdfFile.length());

    FileInputStream fileInputStream = null;
    OutputStream responseOutputStream = null;
    try {/*from www  . j av a2  s. c o m*/
        fileInputStream = new FileInputStream(pdfFile);
        responseOutputStream = response.getOutputStream();
        int bytes;
        while ((bytes = fileInputStream.read()) != -1) {
            responseOutputStream.write(bytes);
        }
    } finally {
        if (fileInputStream != null)
            fileInputStream.close();
    }
}

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From source file:org.openmrs.module.emtfrontend.web.controller.EmtFrontendFormController.java

private void returnCsv(HttpServletResponse response, File csvFile, String filenameToReturn)
        throws FileNotFoundException, IOException {
    response.setContentType("application/csv");
    response.addHeader("Content-Disposition", "attachment; filename=" + filenameToReturn);
    response.setContentLength((int) csvFile.length());

    FileInputStream fileInputStream = null;
    OutputStream responseOutputStream = null;
    try {//from www  .ja  va2s . c  om
        fileInputStream = new FileInputStream(csvFile);
        responseOutputStream = response.getOutputStream();
        int bytes;
        while ((bytes = fileInputStream.read()) != -1) {
            responseOutputStream.write(bytes);
        }
    } finally {
        if (fileInputStream != null)
            fileInputStream.close();
    }
}

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From source file:com.esri.ArcGISController.java

@RequestMapping(value = "/rest/services/InfoUSA/MapServer", method = RequestMethod.GET)
public void doMapServer(final HttpServletResponse response) throws IOException {
    response.setStatus(HttpServletResponse.SC_OK);
    response.setContentType("application/json");
    response.setContentLength(m_byteArrayOutputStream.size());
    m_byteArrayOutputStream.writeTo(response.getOutputStream());
    response.getOutputStream().flush();//w  w  w .j  a  v  a 2  s. com
}

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From source file:net.sourceforge.fenixedu.presentationTier.Action.base.FenixDispatchAction.java

protected void writeFile(final HttpServletResponse response, final String filename, final String contentType,
        final byte[] content) throws IOException {

    response.setContentLength(content.length);
    response.setContentType(contentType);
    response.addHeader("Content-Disposition", "attachment; filename=\"" + filename + "\"");

    try (ServletOutputStream outputStream = response.getOutputStream()) {
        outputStream.write(content);/*from  w w w  .j  a v a2s.c o m*/
        outputStream.flush();
        response.flushBuffer();
    }
}

---

From source file:mx.edu.um.mateo.general.web.ImagenController.java

@RequestMapping("/producto/{id}")
public String producto(HttpServletRequest request, HttpServletResponse response, @PathVariable Long id) {
    log.debug("Buscando imagen del producto {}", id);
    Query query = currentSession().createQuery(
            "select imagen from Producto p left outer join p.imagenes as imagen where p.id = :productoId");
    query.setLong("productoId", id);
    Imagen imagen = (Imagen) query.uniqueResult();
    if (imagen != null) {
        response.setContentType(imagen.getTipoContenido());
        response.setContentLength(imagen.getTamano().intValue());
        try {/*  w  w w.  j  a  v a  2s .c o  m*/
            response.getOutputStream().write(imagen.getArchivo());
        } catch (IOException e) {
            log.error("No se pudo escribir el archivo", e);
            throw new RuntimeException("No se pudo escribir el archivo en el outputstream");
        }
    } else {
        try {
            response.sendRedirect(request.getContextPath() + "/images/sin-foto.jpg");
        } catch (IOException e) {
            log.error("No se pudo obtener la imagen", e);
        }
    }
    return null;
}

---

From source file:net.acesinc.convergentui.BaseFilter.java

protected void writeResponse(BufferedImage image, MediaType type) throws Exception {
    RequestContext context = RequestContext.getCurrentContext();
    // there is no body to send
    if (image == null) {
        return;/*from   w ww.ja  v  a  2 s.c om*/
    }
    HttpServletResponse servletResponse = context.getResponse();
    //        servletResponse.setCharacterEncoding("UTF-8");
    servletResponse.setContentType(type.toString());

    ByteArrayOutputStream tmp = new ByteArrayOutputStream();
    ImageIO.write(image, type.getSubtype(), tmp);
    tmp.close();
    Integer contentLength = tmp.size();

    servletResponse.setContentLength(contentLength);

    OutputStream outStream = servletResponse.getOutputStream();
    ByteArrayOutputStream os = new ByteArrayOutputStream();

    ImageIO.write(image, type.getSubtype(), os);
    InputStream is = new ByteArrayInputStream(os.toByteArray());

    try {
        writeResponse(is, outStream);
    } finally {
        try {
            if (is != null) {
                is.close();
            }
            outStream.flush();
            outStream.close();
        } catch (IOException ex) {
        }
    }
}

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From source file:it.eng.spagobi.analiticalmodel.execution.service.PrintNotesAction.java

public void doService() {
    logger.debug("IN");

    ExecutionInstance executionInstance;
    executionInstance = getContext().getExecutionInstance(ExecutionInstance.class.getName());
    String executionIdentifier = new BIObjectNotesManager()
            .getExecutionIdentifier(executionInstance.getBIObject());
    Integer biobjectId = executionInstance.getBIObject().getId();
    List globalObjNoteList = null;
    try {//www .j  a  v  a  2 s.co m
        globalObjNoteList = DAOFactory.getObjNoteDAO().getListExecutionNotes(biobjectId, executionIdentifier);
    } catch (EMFUserError e1) {
        logger.error("Error in retrieving obj notes", e1);
        return;
    } catch (Exception e1) {
        logger.error("Error in retrieving obj notes", e1);
        return;
    }
    //mantains only the personal notes and others one only if they have PUBLIC status
    List objNoteList = new ArrayList();
    UserProfile profile = (UserProfile) this.getUserProfile();
    String userId = (String) profile.getUserId();
    for (int i = 0, l = globalObjNoteList.size(); i < l; i++) {
        ObjNote objNote = (ObjNote) globalObjNoteList.get(i);
        if (objNote.getIsPublic()) {
            objNoteList.add(objNote);
        } else if (objNote.getOwner().equalsIgnoreCase(userId)) {
            objNoteList.add(objNote);
        }
    }

    String outputType = "PDF";
    RequestContainer requestContainer = getRequestContainer();
    SourceBean sb = requestContainer.getServiceRequest();
    outputType = (String) sb.getAttribute(SBI_OUTPUT_TYPE);
    if (outputType == null)
        outputType = "PDF";

    String templateStr = getTemplateTemplate();

    //JREmptyDataSource conn=new JREmptyDataSource(1);
    //Connection conn = getConnection("SpagoBI",getHttpSession(),profile,obj.getId().toString());      
    JRBeanCollectionDataSource datasource = new JRBeanCollectionDataSource(objNoteList);

    HashedMap parameters = new HashedMap();
    parameters.put("PARAM_OUTPUT_FORMAT", outputType);
    parameters.put("TITLE", executionInstance.getBIObject().getLabel());

    UUIDGenerator uuidGen = UUIDGenerator.getInstance();
    UUID uuid_local = uuidGen.generateTimeBasedUUID();
    String executionId = uuid_local.toString();
    executionId = executionId.replaceAll("-", "");
    //Creta etemp file
    String dirS = System.getProperty("java.io.tmpdir");
    File dir = new File(dirS);
    dir.mkdirs();
    String fileName = "notes" + executionId;
    OutputStream out = null;
    File tmpFile = null;
    try {
        tmpFile = File.createTempFile(fileName, "." + outputType, dir);
        out = new FileOutputStream(tmpFile);
        StringBufferInputStream sbis = new StringBufferInputStream(templateStr);
        logger.debug("compiling report");
        JasperReport report = JasperCompileManager.compileReport(sbis);
        //report.setProperty("", )
        logger.debug("filling report");
        JasperPrint jasperPrint = JasperFillManager.fillReport(report, parameters, datasource);
        JRExporter exporter = null;
        if (outputType.equalsIgnoreCase("PDF")) {
            exporter = (JRExporter) Class.forName("net.sf.jasperreports.engine.export.JRPdfExporter")
                    .newInstance();
            if (exporter == null)
                exporter = new JRPdfExporter();
        } else {
            exporter = (JRExporter) Class.forName("net.sf.jasperreports.engine.export.JRRtfExporter")
                    .newInstance();
            if (exporter == null)
                exporter = new JRRtfExporter();
        }

        exporter.setParameter(JRExporterParameter.JASPER_PRINT, jasperPrint);
        exporter.setParameter(JRExporterParameter.OUTPUT_STREAM, out);
        logger.debug("exporting report");
        exporter.exportReport();

    } catch (Throwable e) {
        logger.error("An exception has occured", e);
        return;
    } finally {
        try {
            out.flush();
            out.close();
        } catch (IOException e) {
            logger.error("Error closing output", e);
        }
    }

    String mimeType;
    if (outputType.equalsIgnoreCase("RTF")) {
        mimeType = "application/rtf";
    } else {
        mimeType = "application/pdf";
    }

    HttpServletResponse response = getHttpResponse();
    response.setContentType(mimeType);
    response.setHeader("Content-Disposition", "filename=\"report." + outputType + "\";");
    response.setContentLength((int) tmpFile.length());
    try {
        BufferedInputStream in = new BufferedInputStream(new FileInputStream(tmpFile));
        int b = -1;
        while ((b = in.read()) != -1) {
            response.getOutputStream().write(b);
        }
        response.getOutputStream().flush();
        in.close();
    } catch (Exception e) {
        logger.error("Error while writing the content output stream", e);
    } finally {
        tmpFile.delete();
    }

    logger.debug("OUT");

}

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From source file:com.doculibre.constellio.servlets.DownloadFileServlet.java

@Override
public final void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {

    String file = request.getParameter("file");
    String mimetype = request.getParameter("mimetype");

    String filePathFound = getFilePathFor(file);
    if (filePathFound == null) {
        response.sendError(404);// www .  j av a2  s .c o m
    } else {
        File fileFound = new File(filePathFound);
        response.setContentType((mimetype != null) ? mimetype : "application/octet-stream");
        response.setContentLength((int) fileFound.length());
        response.setHeader("Content-Disposition", "attachment; filename=\"" + fileFound.getName() + "\"");

        InputStream is = new BufferedInputStream(new FileInputStream(fileFound));
        IOUtils.copy(is, response.getOutputStream());
    }
}

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