Example usage for javax.servlet.http HttpServletResponse setContentLength

List of usage examples for javax.servlet.http HttpServletResponse setContentLength

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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:mx.edu.um.mateo.rh.web.VacacionesEmpleadoController.java

private void generaReporte(String tipo, List<VacacionesEmpleado> vacacionesEmpleados,
        HttpServletResponse response) throws JRException, IOException {
    log.debug("Generando reporte {}", tipo);
    byte[] archivo = null;
    switch (tipo) {
    case "PDF":
        archivo = generaPdf(vacacionesEmpleados);
        response.setContentType("application/pdf");
        response.addHeader("Content-Disposition", "attachment; filename=clavesEmpleado.pdf");
        break;/*from   w  w w.j  a va2  s.c  o  m*/
    case "CSV":
        archivo = generaCsv(vacacionesEmpleados);
        response.setContentType("text/csv");
        response.addHeader("Content-Disposition", "attachment; filename=clavesEmpleado.csv");
        break;
    case "XLS":
        archivo = generaXls(vacacionesEmpleados);
        response.setContentType("application/vnd.ms-excel");
        response.addHeader("Content-Disposition", "attachment; filename=clavesEmpleado.xls");
    }
    if (archivo != null) {
        response.setContentLength(archivo.length);
        try (BufferedOutputStream bos = new BufferedOutputStream(response.getOutputStream())) {
            bos.write(archivo);
            bos.flush();
        }
    }

}

From source file:ro.fils.angularspring.controller.ProjectsController.java

@RequestMapping(method = RequestMethod.GET, value = "/downloadXSLT")
public void downloadXSLT(HttpServletRequest request, HttpServletResponse response)
        throws FileNotFoundException, IOException, BadElementException {
    ServletContext context = request.getServletContext();
    String appPath = context.getRealPath("");
    String fullPath = appPath + "Projects.xsl";
    PDFCreator creator = new PDFCreator();
    creator.saveAsXSLT(XSLTFile.xsltString, fullPath);
    System.out.println("appPath = " + appPath);

    File downloadFile = new File(fullPath);
    FileInputStream inputStream = new FileInputStream(downloadFile);

    // get MIME type of the file
    String mimeType = context.getMimeType(fullPath);
    if (mimeType == null) {
        // set to binary type if MIME mapping not found
        mimeType = "application/octet-stream";
    }/*  w  w  w  .  ja  va  2  s.c  om*/
    System.out.println("MIME type: " + mimeType);

    // set content attributes for the response
    response.setContentType(mimeType);
    response.setContentLength((int) downloadFile.length());

    // set headers for the response
    String headerKey = "Content-Disposition";
    String headerValue = String.format("attachment; filename=\"%s\"", downloadFile.getName());
    response.setHeader(headerKey, headerValue);

    // get output stream of the response
    OutputStream outStream = response.getOutputStream();

    byte[] buffer = new byte[BUFFER_SIZE];
    int bytesRead = -1;

    // write bytes read from the input stream into the output stream
    while ((bytesRead = inputStream.read(buffer)) != -1) {
        outStream.write(buffer, 0, bytesRead);
    }

    inputStream.close();
    outStream.close();

}

From source file:mx.edu.um.mateo.rh.web.DependienteController.java

private void generaReporte(String tipo, List<Dependiente> dependientes, HttpServletResponse response)
        throws JRException, IOException {
    log.debug("Generando reporte {}", tipo);
    byte[] archivo = null;
    switch (tipo) {
    case "PDF":
        archivo = generaPdf(dependientes);
        response.setContentType("application/pdf");
        response.addHeader("Content-Disposition", "attachment; filename=Dependientes.pdf");
        break;//from  w  ww  .jav  a  2  s .com
    case "CSV":
        archivo = generaCsv(dependientes);
        response.setContentType("text/csv");
        response.addHeader("Content-Disposition", "attachment; filename=Dependientes.csv");
        break;
    case "XLS":
        archivo = generaXls(dependientes);
        response.setContentType("application/vnd.ms-excel");
        response.addHeader("Content-Disposition", "attachment; filename=Dependientes.xls");
    }
    if (archivo != null) {
        response.setContentLength(archivo.length);
        try (BufferedOutputStream bos = new BufferedOutputStream(response.getOutputStream())) {
            bos.write(archivo);
            bos.flush();
        }
    }

}

From source file:mx.edu.um.mateo.rh.web.JefeSeccionController.java

private void generaReporte(String tipo, List<JefeSeccion> jefeSeccions, HttpServletResponse response)
        throws JRException, IOException {
    log.debug("Generando reporte {}", tipo);
    byte[] archivo = null;
    switch (tipo) {
    case "PDF":
        archivo = generaPdf(jefeSeccions);
        response.setContentType("application/pdf");
        response.addHeader("Content-Disposition", "attachment; filename=clavesEmpleado.pdf");
        break;//from  www.  j  av  a2  s  .c o  m
    case "CSV":
        archivo = generaCsv(jefeSeccions);
        response.setContentType("text/csv");
        response.addHeader("Content-Disposition", "attachment; filename=clavesEmpleado.csv");
        break;
    case "XLS":
        archivo = generaXls(jefeSeccions);
        response.setContentType("application/vnd.ms-excel");
        response.addHeader("Content-Disposition", "attachment; filename=clavesEmpleado.xls");
    }
    if (archivo != null) {
        response.setContentLength(archivo.length);
        try (BufferedOutputStream bos = new BufferedOutputStream(response.getOutputStream())) {
            bos.write(archivo);
            bos.flush();
        }
    }

}

From source file:org.nsesa.editor.gwt.an.amendments.server.service.WordExportService.java

@Override
public void export(AmendmentContainerDTO object, HttpServletResponse response) throws IOException {

    response.setContentType("application/vnd.openxmlformats-officedocument.wordprocessingml.document");
    response.setHeader("Content-Disposition",
            "attachment;filename=" + object.getAmendmentContainerID() + ".docx");
    response.setCharacterEncoding("UTF8");

    final String content = object.getBody();
    final InputSource inputSource;
    inputSource = new InputSource(new StringReader(content));

    try {//w w  w.  j  a  v  a2  s.  c  om

        final NodeModel model = NodeModel.parse(inputSource);
        final Configuration configuration = new Configuration();
        configuration.setDefaultEncoding("UTF-8");
        configuration.setDirectoryForTemplateLoading(template.getFile().getParentFile());
        final StringWriter sw = new StringWriter();
        Map<String, Object> root = new HashMap<String, Object>();
        root.put("amendment", model);
        configuration.getTemplate(template.getFile().getName()).process(root, sw);
        byte[] bytes = sw.toString().getBytes("utf-8");
        IOUtils.copy(new ByteArrayInputStream(bytes), response.getOutputStream());
        response.setContentLength(sw.toString().length());
        response.flushBuffer();
    } catch (IOException e) {
        throw new RuntimeException("Could not read file.", e);
    } catch (SAXException e) {
        throw new RuntimeException("Could not parse file.", e);
    } catch (ParserConfigurationException e) {
        throw new RuntimeException("Could not parse file.", e);
    } catch (TemplateException e) {
        throw new RuntimeException("Could not load template.", e);
    }
}

From source file:com.nominanuda.web.http.ServletHelper.java

public void copyResponse(HttpResponse response, HttpServletResponse servletResponse) throws IOException {
    servletResponse.setStatus(response.getStatusLine().getStatusCode());
    for (Header h : response.getAllHeaders()) {
        if ("Set-Cookie".equals(h.getName()) || "Set-Cookie2".equals(h.getName())) {
            for (HttpCookie c : HttpCookie.parse(h.getValue())) {
                servletResponse.addCookie(servletCookie(c));
            }//ww  w.  j  a  v a  2s . c om
        } else {
            servletResponse.setHeader(h.getName(), h.getValue());
        }
    }
    HttpEntity entity = response.getEntity();
    if (entity != null) {
        Header ct = entity.getContentType();
        if (ct != null) {
            servletResponse.setContentType(ct.getValue());
        }
        Header ce = entity.getContentEncoding();
        if (ce != null) {
            servletResponse.setHeader(ce.getName(), ce.getValue());
        }
        long len = entity.getContentLength();
        if (len >= 0) {
            servletResponse.setContentLength((int) len);
        }
        ioHelper.pipe(entity.getContent(), servletResponse.getOutputStream(), true, false);
    }
}

From source file:org.nsesa.editor.gwt.an.amendments.server.service.HtmlExportService.java

@Override
public void export(final AmendmentContainerDTO object, final HttpServletResponse response) throws IOException {
    response.setContentType("text/html; charset=UTF-8");
    response.setHeader("Content-Disposition",
            "attachment;filename=" + object.getAmendmentContainerID() + ".html");
    response.setCharacterEncoding("UTF8");

    final String content = object.getBody();
    final InputSource inputSource;
    inputSource = new InputSource(new StringReader(content));

    try {//  w w  w .  j  a  v a 2 s. com
        final NodeModel model = NodeModel.parse(inputSource);
        final Configuration configuration = new Configuration();
        configuration.setDefaultEncoding("UTF-8");
        configuration.setDirectoryForTemplateLoading(template.getFile().getParentFile());
        final StringWriter sw = new StringWriter();
        Map<String, Object> root = new HashMap<String, Object>();
        root.put("amendment", model);
        root.put("editorUrl", editorUrl);
        configuration.getTemplate(template.getFile().getName()).process(root, sw);
        byte[] bytes = sw.toString().getBytes("utf-8");
        IOUtils.copy(new ByteArrayInputStream(bytes), response.getOutputStream());
        response.setContentLength(bytes.length);
        response.flushBuffer();

    } catch (IOException e) {
        throw new RuntimeException("Could not read file.", e);
    } catch (SAXException e) {
        throw new RuntimeException("Could not parse file.", e);
    } catch (ParserConfigurationException e) {
        throw new RuntimeException("Could not parse file.", e);
    } catch (TemplateException e) {
        throw new RuntimeException("Could not load template.", e);
    }
}

From source file:mx.edu.um.mateo.rh.web.ClaveEmpleadoController.java

private void generaReporte(String tipo, List<ClaveEmpleado> claveEmpleados, HttpServletResponse response)
        throws JRException, IOException {
    log.debug("Generando reporte {}", tipo);
    byte[] archivo = null;
    switch (tipo) {
    case "PDF":
        archivo = generaPdf(claveEmpleados);
        response.setContentType("application/pdf");
        response.addHeader("Content-Disposition", "attachment; filename=clavesEmpleado.pdf");
        break;//from   www .  j av a2s . c  om
    case "CSV":
        archivo = generaCsv(claveEmpleados);
        response.setContentType("text/csv");
        response.addHeader("Content-Disposition", "attachment; filename=clavesEmpleado.csv");
        break;
    case "XLS":
        archivo = generaXls(claveEmpleados);
        response.setContentType("application/vnd.ms-excel");
        response.addHeader("Content-Disposition", "attachment; filename=clavesEmpleado.xls");
    }
    if (archivo != null) {
        response.setContentLength(archivo.length);
        try (BufferedOutputStream bos = new BufferedOutputStream(response.getOutputStream())) {
            bos.write(archivo);
            bos.flush();
        }
    }

}

From source file:org.wrml.server.WrmlServlet.java

private void writeException(final Exception e, final HttpServletResponse response, final boolean noBody)
        throws IOException {

    LOGGER.error("An exception was thrown during request processing.", e);

    response.setContentType(ContentType.TEXT_PLAIN.toString());
    response.setStatus(HttpServletResponse.SC_BAD_REQUEST);

    if (!noBody) {
        // NullPointerExceptions don't have messages.
        if (null != e.getMessage()) {
            response.setContentLength(e.getMessage().length());

            final OutputStream responseOut = response.getOutputStream();

            if (responseOut != null) {
                IOUtils.write((e.getMessage()), responseOut);
                responseOut.flush();/*from   w  w w  .ja va 2  s .  c  o  m*/
                responseOut.close();
            }
        }
    }

    response.flushBuffer();
}

From source file:org.springframework.boot.web.servlet.server.AbstractServletWebServerFactoryTests.java

private String setUpFactoryForCompression(int contentSize, String[] mimeTypes, String[] excludedUserAgents)
        throws Exception {
    char[] chars = new char[contentSize];
    Arrays.fill(chars, 'F');
    String testContent = new String(chars);
    AbstractServletWebServerFactory factory = getFactory();
    Compression compression = new Compression();
    compression.setEnabled(true);// w w  w. j a  v a  2  s.  co  m
    if (mimeTypes != null) {
        compression.setMimeTypes(mimeTypes);
    }
    if (excludedUserAgents != null) {
        compression.setExcludedUserAgents(excludedUserAgents);
    }
    factory.setCompression(compression);
    factory.addInitializers(new ServletRegistrationBean<HttpServlet>(new HttpServlet() {

        @Override
        protected void service(HttpServletRequest req, HttpServletResponse resp)
                throws ServletException, IOException {
            resp.setContentType("text/plain");
            resp.setContentLength(testContent.length());
            resp.getWriter().write(testContent);
            resp.getWriter().flush();
        }

    }, "/test.txt"));
    this.webServer = factory.getWebServer();
    this.webServer.start();
    return testContent;
}