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.kolich.spring.views.mappers.KolichMappingPNGView.java

@Override
public void myRenderMergedOutputModel(final KolichViewSerializable payload, final HttpServletRequest request,
        final HttpServletResponse response) throws Exception {
    final ServletOutputStream os = response.getOutputStream();
    // Be sure to set the Content-Length header on a MP3 audio file
    // response to the client (some MP3 players don't like chunked
    // transfer encoding so this fixes that).
    final byte[] bytes = payload.getEntity().getBytes();
    response.setContentLength(bytes.length);
    os.write(bytes);/*from  w  ww.j  ava 2 s.  c o  m*/
    // Quietly close the output stream.
    IOUtils.closeQuietly(os);
}

From source file:com.orange.mmp.mvc.bundle.Controller.java

@SuppressWarnings("unchecked")
@Override/*from  w ww .  j  a  va  2  s.  c o m*/
protected ModelAndView handleRequestInternal(HttpServletRequest request, HttpServletResponse response)
        throws Exception {
    int pathInfoStart = request.getRequestURI().indexOf(urlMapping);
    if (pathInfoStart < 0) {
        response.setStatus(HttpServletResponse.SC_NOT_FOUND);
        response.setContentLength(0);
        return null;
    }
    // Get user agent to obtain branchID
    String userAgent = request.getHeader(Constants.HTTP_HEADER_USERAGENT);
    Mobile mobile = new Mobile();
    mobile.setUserAgent(userAgent);
    Mobile[] mobiles = (Mobile[]) DaoManagerFactory.getInstance().getDaoManager().getDao("mobile").find(mobile);
    String branchId = null;//Constants.DEFAULT_BRANCH_ID;
    if (mobiles != null && mobiles.length > 0) {
        branchId = mobiles[0].getBranchId();
    } else {
        Branch branch = new Branch();
        branch.setDefault(true);
        Branch[] branches = (Branch[]) DaoManagerFactory.getInstance().getDaoManager().getDao("branch")
                .find(branch);
        if (branches != null && branches.length > 0)
            branchId = branches[0].getId();
    }

    String pathInfo = request.getRequestURI().substring(pathInfoStart + urlMapping.length());
    String requestParts[] = pathInfo.split("/");
    String widgetId = null;
    String resourceName = null;
    InputStream input = null;

    if (requestParts.length > 2) {
        widgetId = requestParts[1];
        resourceName = pathInfo.substring(widgetId.length() + 2);
    } else {
        response.setStatus(HttpServletResponse.SC_BAD_REQUEST);
        response.setContentLength(0);
        return null;
    }

    input = WidgetManager.getInstance().getWidgetResource(resourceName, widgetId, branchId);

    if (input == null) {
        response.setStatus(HttpServletResponse.SC_NOT_FOUND);
        response.setContentLength(0);
    } else {
        ByteArrayOutputStream resourceBuffer = new ByteArrayOutputStream();
        OutputStream output = response.getOutputStream();
        try {
            IOUtils.copy(input, resourceBuffer);
            response.setContentLength(resourceBuffer.size());
            resourceBuffer.writeTo(output);
        } catch (IOException ioe) {
            response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
            response.setContentLength(0);
        } finally {
            if (input != null)
                input.close();
            if (output != null)
                output.close();
            if (resourceBuffer != null)
                resourceBuffer.close();
        }
    }
    return null;
}

From source file:com.sunflower.petal.controller.ImageController.java

@RequestMapping(value = "/thumbnail/{id}", method = RequestMethod.GET)
public void thumbnail(HttpServletResponse response, @PathVariable Long id) {
    Image image = imageService.get(id);
    File imageFile = new File(fileUploadDirectory + "/" + image.getThumbnailFilename());
    response.setContentType(image.getContentType());
    response.setContentLength(image.getSize().intValue());
    try {//from w w w.  j  av  a2  s  .  c  o m
        InputStream is = new FileInputStream(imageFile);
        IOUtils.copy(is, response.getOutputStream());
    } catch (IOException e) {
        log.error("Could not show thumbnail " + id, e);
    }
}

From source file:au.edu.uq.cmm.paul.servlet.FileView.java

@Override
protected void renderMergedOutputModel(Map<String, Object> model, HttpServletRequest request,
        HttpServletResponse response) throws IOException {
    File file = (File) model.get("file");
    String contentType = (String) model.get("contentType");
    try (FileInputStream fis = new FileInputStream(file)) {
        response.setContentType(contentType);
        long length = file.length();
        if (length <= Integer.MAX_VALUE) {
            response.setContentLength((int) length);
        }/*w  w  w. j  a v a 2  s.com*/
        response.setStatus(HttpServletResponse.SC_OK);
        try (OutputStream os = response.getOutputStream()) {
            byte[] buffer = new byte[8192];
            int nosRead;
            while ((nosRead = fis.read(buffer)) > 0) {
                os.write(buffer, 0, nosRead);
            }
        }
    } catch (FileNotFoundException ex) {
        LOG.info("Cannot access file: " + ex.getLocalizedMessage());
        response.setStatus(HttpServletResponse.SC_NOT_FOUND);
    }
}

From source file:com.sshdemo.common.report.manage.web.ParameterSetAction.java

private void buildText() {
    PrintWriter pw = null;/*from www.j  ava2  s. co m*/
    InputStream in = null;
    try {
        TextReport report = reportFac.findTextReportById(reportId);
        HttpServletResponse response = ServletActionContext.getResponse();
        HttpServletRequest request = ServletActionContext.getRequest();

        pw = response.getWriter();
        response.reset();// 
        response.setContentLength(0);
        response.setCharacterEncoding("utf-8");
        response.setContentType("text/html; charset=utf-8");
        byte[] bytes = textFactory.export(paraMap, report, fileFormat, response, request);
        in = new ByteArrayInputStream(bytes);
        int len = 0;
        while ((len = in.read()) > -1) {
            pw.write(len);
        }
        pw.flush();
    } catch (Exception e) {
        // log.error(e.toString());
    } finally {
        if (pw != null) {
            try {
                pw.close();
                pw = null;
            } catch (Exception e) {
            }
        }
        if (in != null) {
            try {
                in.close();
                in = null;
            } catch (Exception e) {
            }
        }
    }
}

From source file:de.betterform.agent.web.WebUtil.java

/**
 * transforms an input document and writes it to the ServletOutputStream.
 *
 * @param context the servlet context/*from  w w  w.  jav  a  2  s  . com*/
 * @param response the servlet response
 * @param input an DOM input document to transform
 * @param stylesheetName the name of the stylesheet to use. This must be preloaded in CachingTransformerService. See WebFactory
 * @param params transformation parameters as a piece of DOM if any. The params object is passed as param 'params' to the stylesheets
 * @throws java.io.IOException
 */
public static void doTransform(ServletContext context, HttpServletResponse response, Document input,
        String stylesheetName, Object params) throws IOException {
    CachingTransformerService transformerService = (CachingTransformerService) context
            .getAttribute(TransformerService.TRANSFORMER_SERVICE);
    Source xmlSource = new DOMSource(input);
    ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
    try {
        Transformer transformer = transformerService.getTransformerByName(stylesheetName);
        if (params != null) {
            if (params instanceof Node) {
                transformer.setParameter("params", params);
            }
        }
        transformer.transform(xmlSource, new StreamResult(outputStream));

    } catch (TransformerException e) {
        e.printStackTrace(); //To change body of catch statement use File | Settings | File Templates.
    }
    response.setContentType(WebUtil.HTML_CONTENT_TYPE);
    response.setContentLength(outputStream.toByteArray().length);
    response.getOutputStream().write(outputStream.toByteArray());
    response.getOutputStream().close();
}

From source file:bixo.fetcher.RedirectResponseHandler.java

@Override
public void handle(String pathInContext, Request baseRequest, HttpServletRequest request,
        HttpServletResponse response) throws HttpException, IOException {
    if (pathInContext.equalsIgnoreCase(_originalPath)) {
        response.sendRedirect(_redirectUrl);
    } else if (_redirectUrl.contains(pathInContext)) {
        response.setStatus(HttpStatus.SC_OK);
        response.setContentType("text/plain");

        String content = "redirected content";
        response.setContentLength(content.length());
        response.getOutputStream().write(content.getBytes());
    } else {//from  w  ww. j a  v  a2  s. com
        response.setStatus(HttpStatus.SC_OK);
        response.setContentType("text/plain");

        String content = "other content";
        response.setContentLength(content.length());
        response.getOutputStream().write(content.getBytes());
    }
}

From source file:net.duckling.ddl.web.controller.pan.WopiController.java

public void sendPreviewDoc(String skey, HttpServletRequest request, HttpServletResponse response) {
    OutputStream os = null;/*from  www .  ja  v a 2  s.co  m*/
    long p0 = System.currentTimeMillis();
    try {
        FileInfo info = (FileInfo) cacheService.get(skey);
        response.setCharacterEncoding("utf-8");
        response.setContentLength((int) info.getSize());
        response.setContentType("application/x-download");
        String headerValue = ResponseHeaderUtils.buildResponseHeader(request, info.getFileName(), true);
        response.setHeader("Content-Disposition", headerValue);
        response.setHeader("Content-Length", info.getSize() + "");
        os = response.getOutputStream();
        if (StringUtils.isEmpty(info.getPanAcl().getUmtToken())) {
            //pan???
            panService.getShareContent(info.getRemotePath(), null, os);
        } else {
            panService.download(info.getPanAcl(), info.getRemotePath(), info.getVersion(), os);
        }
    } catch (UnsupportedEncodingException e) {
        e.printStackTrace();
    } catch (MeePoException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        IOUtils.closeQuietly(os);
        long p1 = System.currentTimeMillis();
        System.out.println("Send document use time " + (p1 - p0));
    }

}

From source file:org.primeframework.mvc.action.result.JSONResultTest.java

@Test(dataProvider = "httpMethod")
public void errors(HTTPMethod httpMethod) throws IOException, ServletException {
    Post action = new Post();
    ExpressionEvaluator ee = createStrictMock(ExpressionEvaluator.class);
    replay(ee);//from   www. ja v  a  2  s. c  om

    MockServletOutputStream sos = new MockServletOutputStream();
    HttpServletResponse response = createStrictMock(HttpServletResponse.class);
    response.setStatus(400);
    response.setCharacterEncoding("UTF-8");
    response.setContentType("application/json");
    response.setContentLength(359);
    if (httpMethod == HTTPMethod.GET) {
        expect(response.getOutputStream()).andReturn(sos);
    }
    replay(response);

    Map<Class<?>, Object> additionalConfiguration = new HashMap<>();
    additionalConfiguration.put(JacksonActionConfiguration.class,
            new JacksonActionConfiguration(null, null, "user"));
    ActionConfiguration config = new ActionConfiguration(Post.class, null, null, null, null, null, null, null,
            null, null, null, null, null, additionalConfiguration, null);
    ActionInvocationStore store = createStrictMock(ActionInvocationStore.class);

    expect(store.getCurrent()).andReturn(new ActionInvocation(action,
            new ExecuteMethodConfiguration(httpMethod, null, null), "/foo", "", config));
    replay(store);

    MessageStore messageStore = createStrictMock(MessageStore.class);
    expect(messageStore.get(MessageScope.REQUEST)).andReturn(asList(
            new SimpleMessage(MessageType.ERROR, "[invalid]", "Invalid request"),
            new SimpleMessage(MessageType.ERROR, "[bad]", "Bad request"),
            new SimpleFieldMessage(MessageType.ERROR, "user.age", "[required]user.age", "Age is required"),
            new SimpleFieldMessage(MessageType.ERROR, "user.age", "[number]user.age", "Age must be a number"),
            new SimpleFieldMessage(MessageType.ERROR, "user.favoriteMonth", "[required]user.favoriteMonth",
                    "Favorite month is required")));
    replay(messageStore);

    JSON annotation = new JSONResultTest.JSONImpl("input", 400);
    JSONResult result = new JSONResult(ee, store, messageStore, objectMapper, response);
    result.execute(annotation);

    String expected = "{" + "  \"fieldErrors\":{"
            + "    \"user.age\":[{\"code\":\"[required]user.age\",\"message\":\"Age is required\"},{\"code\":\"[number]user.age\",\"message\":\"Age must be a number\"}],"
            + "    \"user.favoriteMonth\":[{\"code\":\"[required]user.favoriteMonth\",\"message\":\"Favorite month is required\"}]"
            + "  }," + "  \"generalErrors\":["
            + "    {\"code\":\"[invalid]\",\"message\":\"Invalid request\"},{\"code\":\"[bad]\",\"message\":\"Bad request\"}"
            + "  ]" + "}";
    assertEquals(sos.toString(), httpMethod == HTTPMethod.GET ? expected.replace("  ", "") : ""); // Un-indent

    verify(ee, messageStore, response);
}

From source file:com.google.code.jcaptcha4struts2.core.actions.support.CaptchaImageResult.java

/**
 * Action Execution Result. This will write the image bytes to response stream.
 * /*from ww w  .j  av  a2s.  com*/
 * @param invocation
 *            ActionInvocation
 * @throws IOException
 *             if an IOException occurs while writing the image to output stream.
 * @throws IllegalArgumentException
 *             if the action invocation was done by an action which is not the
 *             {@link JCaptchaImageAction}.
 */
public void execute(ActionInvocation invocation) throws IOException, IllegalArgumentException {

    // Check if the invoked action was JCaptchaImageAction
    if (!(invocation.getAction() instanceof JCaptchaImageAction)) {
        throw new IllegalArgumentException(
                "CaptchaImageResult expects JCaptchaImageAction as Action Invocation");
    }

    JCaptchaImageAction action = (JCaptchaImageAction) invocation.getAction();
    HttpServletResponse response = ServletActionContext.getResponse();

    // Read captcha image bytes
    byte[] image = action.getCaptchaImage();

    // Send response
    response.setHeader("Cache-Control", "no-store");
    response.setHeader("Pragma", "no-cache");
    response.setDateHeader("Expires", 0);
    response.setContentType("image/jpeg");
    response.setContentLength(image.length);
    try {
        response.getOutputStream().write(image);
        response.getOutputStream().flush();
    } catch (IOException e) {
        LOG.error("IOException while writing image response for action : " + e.getMessage(), e);
        throw e;
    }
}