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:com.iana.dver.controller.DverUserController.java

@RequestMapping("/downloadDver/{dverDetailId}")
@ResponseBody/*from www  .j av a2 s  . co m*/
public byte[] getDverFile(@PathVariable("dverDetailId") Integer dverDetailId, HttpServletRequest request,
        HttpServletResponse response) throws IOException {

    try {
        logger.info("Perform download Dver File.....");
        DverFileVO dverFileVO = this.dverDetailsService.getDverFileFromDverDetail(dverDetailId);
        if (dverFileVO != null) {
            byte[] bytes = dverFileVO.getDverContent();
            response.setHeader("Content-Disposition",
                    "attachment; filename=\"" + dverFileVO.getDverName() + ".pdf\"");
            response.setContentLength(bytes.length);
            response.setContentType("application/pdf");
            return bytes;
        } else {
            return null;
        }
    } catch (Exception ex) {
        DVERUtil.sendExceptionEmails("getDverFile method of DverUserController \n " + ex);
        logger.error("Error in getDverFile()....." + ex);
        return null;
    }
}

From source file:com.ibm.jaggr.core.impl.layer.LayerImpl.java

protected void setResponseHeaders(HttpServletRequest request, HttpServletResponse response, int size) {
    response.setContentType("application/x-javascript; charset=utf-8"); //$NON-NLS-1$
    response.setContentLength(size);
    if (RequestUtil.isGzipEncoding(request)) {
        response.setHeader("Content-Encoding", "gzip"); //$NON-NLS-1$ //$NON-NLS-2$
    }/*from  ww w .j a  v a  2  s  .co m*/

}

From source file:net.sf.ehcache.constructs.web.filter.CachingFilter.java

/**
 * Writes the response content.//from ww  w .j a  va  2  s  .  c  o  m
 * This will be gzipped or non gzipped depending on whether the User Agent accepts
 * GZIP encoding.
 * <p/>
 * If the body is written gzipped a gzip header is added.
 *
 * @param response
 * @param pageInfo
 * @throws IOException
 */
protected void writeContent(final HttpServletRequest request, final HttpServletResponse response,
        final PageInfo pageInfo) throws IOException, ResponseHeadersNotModifiableException {
    byte[] body;
    if (acceptsGzipEncoding(request)) {
        ResponseUtil.addGzipHeader(response);
        body = pageInfo.getGzippedBody();
        if (ResponseUtil.shouldGzippedBodyBeZero(body, request)) {
            body = new byte[0];
        }
    } else {
        body = pageInfo.getUngzippedBody();
    }

    boolean shouldBodyBeZero = ResponseUtil.shouldBodyBeZero(request, pageInfo.getStatusCode());
    if (shouldBodyBeZero) {
        body = new byte[0];
    }

    response.setContentLength(body.length);
    OutputStream out = new BufferedOutputStream(response.getOutputStream());
    out.write(body);
    out.flush();
}

From source file:org.ala.spatial.web.services.DownloadController.java

@RequestMapping(value = "/session/{sessionid}", method = RequestMethod.GET)
@ResponseBody//from   www.ja v  a 2  s .c  o m
public String downloadSessionUrl(@PathVariable String sessionid, HttpServletResponse response) {
    try {

        String basedir = AlaspatialProperties.getBaseOutputDir() + File.separator + "output" + File.separator;
        String sessiondir = basedir + "session" + File.separator + sessionid;
        File sDir = new File(sessiondir);

        if (sDir.exists() && sDir.isDirectory()) {
            StringBuffer sbSession = new StringBuffer();
            sbSession.append("[InternetShortcut]").append("\n");
            sbSession.append("URL=").append(AlaspatialProperties.getBaseOutputURL());
            sbSession.append("?ss=").append(sessionid).append("\n");

            response.setContentType("application/internet-shortcut");
            response.setContentLength(safeLongToInt(sbSession.length()));
            response.setHeader("Content-Disposition",
                    "attachment; filename=\"ALA_Spatial_Portal_Session_" + sessionid + ".url\"");

            FileCopyUtils.copy(sbSession.toString(), response.getWriter());

            return null;
        }
    } catch (Exception e) {
        System.out.println("Could not find session directory");
    }

    return "";
}

From source file:com.qcadoo.mes.cmmsMachineParts.controller.PlannedEventMultiUploadController.java

@RequestMapping(value = "/getAttachmentForPlannedEvent.html", method = RequestMethod.GET)
public final void getAttachment(@RequestParam("id") final Long[] ids, HttpServletResponse response) {
    DataDefinition attachmentDD = dataDefinitionService.get(CmmsMachinePartsConstants.PLUGIN_IDENTIFIER,
            CmmsMachinePartsConstants.MODEL_PLANNED_EVENT_ATTACHMENT);
    Entity attachment = attachmentDD.get(ids[0]);
    InputStream is = fileService//from   w  ww  .j  a v  a  2 s .  c om
            .getInputStream(attachment.getStringField(PlannedEventAttachmentFields.ATTACHMENT));

    try {
        if (is == null) {
            response.sendRedirect("/error.html?code=404");
        }

        response.setHeader("Content-disposition",
                "inline; filename=" + attachment.getStringField(PlannedEventAttachmentFields.NAME));
        response.setContentType(
                fileService.getContentType(attachment.getStringField(PlannedEventAttachmentFields.ATTACHMENT)));

        int bytes = IOUtils.copy(is, response.getOutputStream());
        response.setContentLength(bytes);

        response.flushBuffer();

    } catch (IOException e) {
        logger.error("Unable to copy attachment file to response stream.", e);
    }
}

From source file:com.googlecode.jsonplugin.JSONUtil.java

public static void writeJSONToResponse(SerializationParams serializationParams) throws IOException {
    StringBuilder stringBuilder = new StringBuilder();
    if (TextUtils.stringSet(serializationParams.getSerializedJSON()))
        stringBuilder.append(serializationParams.getSerializedJSON());

    if (TextUtils.stringSet(serializationParams.getWrapPrefix()))
        stringBuilder.insert(0, serializationParams.getWrapPrefix());
    else if (serializationParams.isWrapWithComments()) {
        stringBuilder.insert(0, "/* ");
        stringBuilder.append(" */");
    } else if (serializationParams.isPrefix())
        stringBuilder.insert(0, "{}&& ");

    if (TextUtils.stringSet(serializationParams.getWrapSuffix()))
        stringBuilder.append(serializationParams.getWrapSuffix());

    String json = stringBuilder.toString();

    if (log.isDebugEnabled()) {
        log.debug("[JSON]" + json);
    }//from w  w w.jav  a2s  .  c  om

    HttpServletResponse response = serializationParams.getResponse();

    //status or error code
    if (serializationParams.getStatusCode() > 0)
        response.setStatus(serializationParams.getStatusCode());
    else if (serializationParams.getErrorCode() > 0)
        response.sendError(serializationParams.getErrorCode());

    //content type
    if (serializationParams.isSmd())
        response.setContentType("application/json-rpc;charset=" + serializationParams.getEncoding());
    else
        response.setContentType(
                serializationParams.getContentType() + ";charset=" + serializationParams.getEncoding());

    if (serializationParams.isNoCache()) {
        response.setHeader("Cache-Control", "no-cache");
        response.setHeader("Expires", "0");
        response.setHeader("Pragma", "No-cache");
    }

    if (serializationParams.isGzip()) {
        response.addHeader("Content-Encoding", "gzip");
        GZIPOutputStream out = null;
        InputStream in = null;
        try {
            out = new GZIPOutputStream(response.getOutputStream());
            in = new ByteArrayInputStream(json.getBytes());
            byte[] buf = new byte[1024];
            int len;
            while ((len = in.read(buf)) > 0) {
                out.write(buf, 0, len);
            }
        } finally {
            if (in != null)
                in.close();
            if (out != null) {
                out.finish();
                out.close();
            }
        }

    } else {
        response.setContentLength(json.getBytes(serializationParams.getEncoding()).length);
        PrintWriter out = response.getWriter();
        out.print(json);
    }
}

From source file:SendMp3.java

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

    String fileName = (String) request.getParameter("file");
    if (fileName == null || fileName.equals(""))
        throw new ServletException("Invalid or non-existent file parameter in SendMp3 servlet.");

    if (fileName.indexOf(".mp3") == -1)
        fileName = fileName + ".mp3";

    String mp3Dir = getServletContext().getInitParameter("mp3-dir");
    if (mp3Dir == null || mp3Dir.equals(""))
        throw new ServletException("Invalid or non-existent mp3Dir context-param.");

    ServletOutputStream stream = null;/*ww w . j a v a 2  s .  c  o m*/
    BufferedInputStream buf = null;
    try {

        stream = response.getOutputStream();
        File mp3 = new File(mp3Dir + "/" + fileName);

        //set response headers
        response.setContentType("audio/mpeg");

        response.addHeader("Content-Disposition", "attachment; filename=" + fileName);

        response.setContentLength((int) mp3.length());

        FileInputStream input = new FileInputStream(mp3);
        buf = new BufferedInputStream(input);
        int readBytes = 0;
        //read from the file; write to the ServletOutputStream
        while ((readBytes = buf.read()) != -1)
            stream.write(readBytes);
    } catch (IOException ioe) {
        throw new ServletException(ioe.getMessage());
    } finally {
        if (stream != null)
            stream.close();
        if (buf != null)
            buf.close();
    }
}

From source file:arena.web.view.DownloadView.java

@Override
@SuppressWarnings("unchecked")
protected void renderMergedOutputModel(Map model, HttpServletRequest request, HttpServletResponse response)
        throws Exception {
    response.setStatus(HttpServletResponse.SC_OK);
    String mt = (mimeTypeParam != null ? (String) model.get(mimeTypeParam) : this.mimeType);
    if (mt != null) {
        response.setContentType(this.mimeType);
    }/*from w  w w  .  j a va2  s .  com*/

    Object contentObj = model.get(this.contentParam);
    String fileName = ServletUtils.replaceWildcards(this.filenamePattern, this.allowRequestArgs, model,
            request);
    if (!fileName.equals("")) {
        String rfc2047Name = javax.mail.internet.MimeUtility.encodeText(fileName, "UTF-8", null);
        String fullHeader = "attachment;filename=" + rfc2047Name;
        response.setHeader("Content-Disposition", fullHeader);
    }

    ServletOutputStream out = response.getOutputStream();
    if (contentObj instanceof byte[]) {
        byte[] content = (byte[]) model.get(this.contentParam);
        response.setContentLength(content == null ? 0 : content.length);
        if (content != null && content.length > 0) {
            out.write(content);
        }
    } else if (contentObj instanceof InputStream) {
        InputStream content = (InputStream) contentObj;
        byte[] buffer = new byte[response.getBufferSize()];
        int read = 0;
        while ((read = content.read(buffer)) >= 0) {
            out.write(buffer, 0, read);
        }
        if (this.closeStream) {
            content.close();
        }
    }
}

From source file:io.fabric8.maven.impl.MavenProxyServletSupportTest.java

private void testDownload(Handler serverHandler) throws Exception {
    String old = System.getProperty("karaf.data");
    System.setProperty("karaf.data", new File("target").getCanonicalPath());
    FileUtils.deleteDirectory(new File("target/tmp"));

    Server server = new Server(0);
    server.setHandler(serverHandler);//from ww  w  . j a  v a  2 s  . c o  m
    server.start();

    try {
        int localPort = server.getConnectors()[0].getLocalPort();
        List<String> remoteRepos = Arrays.asList("http://relevant.not/maven2@id=central");
        RuntimeProperties props = new MockRuntimeProperties();
        MavenDownloadProxyServlet servlet = new MavenDownloadProxyServlet(props, "target/tmp", remoteRepos,
                false, "always", "warn", "http", "localhost", localPort, "fuse", "fuse", null);

        HttpServletRequest request = EasyMock.createMock(HttpServletRequest.class);
        EasyMock.expect(request.getPathInfo())
                .andReturn("org.apache.camel/camel-core/2.13.0/camel-core-2.13.0-sources.jar");

        HttpServletResponse response = EasyMock.createMock(HttpServletResponse.class);
        final ByteArrayOutputStream baos = new ByteArrayOutputStream();
        EasyMock.expect(response.getOutputStream()).andReturn(new ServletOutputStream() {
            @Override
            public void write(int b) throws IOException {
                baos.write(b);
            }

            @Override
            public void write(byte[] b, int off, int len) throws IOException {
                baos.write(b, off, len);
            }
        }).anyTimes();
        response.setStatus(EasyMock.anyInt());
        EasyMock.expectLastCall().anyTimes();
        response.setContentLength(EasyMock.anyInt());
        EasyMock.expectLastCall().anyTimes();
        response.setContentType((String) EasyMock.anyObject());
        EasyMock.expectLastCall().anyTimes();
        response.setDateHeader((String) EasyMock.anyObject(), EasyMock.anyLong());
        EasyMock.expectLastCall().anyTimes();
        response.setHeader((String) EasyMock.anyObject(), (String) EasyMock.anyObject());
        EasyMock.expectLastCall().anyTimes();

        EasyMock.replay(request, response);

        servlet.start();
        servlet.doGet(request, response);
        Assert.assertArrayEquals(new byte[] { 0x42 }, baos.toByteArray());

        EasyMock.verify(request, response);
    } finally {
        server.stop();
        if (old != null) {
            System.setProperty("karaf.data", old);
        }
    }
}

From source file:net.duckling.ddl.web.api.pan.APIPanDownloadController.java

@WebLog(method = "mobilePanPage", params = "pid,itemType")
@RequestMapping/*from  w w w.  java 2s  .c  om*/
public void service(@RequestParam("pid") String rid, @RequestParam("itemType") String itemType,
        HttpServletRequest request, HttpServletResponse response) {
    String imageSize = request.getParameter("imageType");
    rid = decode(rid);
    PanAcl acl = PanAclUtil.getInstance(request);
    MeePoMeta meta = null;
    try {
        meta = panService.ls(acl, rid, true);
    } catch (MeePoException e1) {
        LOG.error(e1.getMessage());
        return;
    }
    OutputStream os = null;
    long[] re = getOffer(request, meta.size);
    long offset = re[0];
    long size = re[1];
    long p0 = System.currentTimeMillis();
    long tmpSize = size;
    try {
        response.setCharacterEncoding("utf-8");
        String headerValue = ResponseHeaderUtils.buildResponseHeader(request, meta.name, true);
        response.setContentType("application/x-download");
        response.setHeader("Content-Disposition", headerValue);
        response.setContentLength((int) size);
        response.setHeader("Content-Length", tmpSize + "");
        os = response.getOutputStream();

        //???
        //if(FileType.IMAGE.equals(FileTypeHelper.getName(meta.name))){
        //   panService.thumbnails(acl, rid, convertPanImageType(imageSize), os);
        //}else{
        panService.download(PanAclUtil.getInstance(request), rid, meta.version, os, offset, size);
        //}
    } catch (UnsupportedEncodingException e) {
        LOG.error("", e);
    } catch (MeePoException e) {
        LOG.error("", e);
    } catch (IOException e) {
        LOG.error("", e);
    } catch (Exception e) {
        LOG.error("", e);
    } finally {
        IOUtils.closeQuietly(os);
        long p1 = System.currentTimeMillis();
        LOG.info("Download document[name:" + meta.name + ",size:" + tmpSize + "] use time " + (p1 - p0));
    }
}