Example usage for javax.servlet.http HttpServletResponse setContentLength

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

  1. HOME
  2. Java
  3. javax
  4. javax.servlet.http.*
  5. HttpServletResponse
  6. 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.github.matthesrieke.jprox.JProxViaParameterServlet.java

private void executeRequest(HttpServletRequest req, HttpServletResponse resp) throws IOException {
    String target = resolveTargetUrl(req);
    HttpClient client = new DefaultHttpClient();
    HttpResponse response = client.execute(prepareRequest(req, target));
    try {/*ww w .ja va2s  .c o m*/
        String contentType = response.getEntity().getContentType().getValue();

        resp.setContentLength((int) response.getEntity().getContentLength());
        resp.setStatus(response.getStatusLine().getStatusCode());
        resp.setContentType(contentType);

        copyStream(response.getEntity().getContent(), resp.getOutputStream());
    } finally {
        EntityUtils.consume(response.getEntity());
    }
}

From source file:org.jtalks.common.web.controller.UserController.java

/**
 * Write user avatar  in response for rendering it on html pages.
 *
 * @param response        servlet response
 * @param encodedUsername {@link User#getEncodedUsername()}
 * @throws NotFoundException   - throws if user with given encodedUsername not found
 * @throws java.io.IOException - throws if an output exception occurred
 *//*from   w ww. j a  v  a  2  s  .  co  m*/
@RequestMapping(value = "/show/{encodedUsername}/avatar", method = RequestMethod.GET)
public void renderAvatar(HttpServletResponse response, @PathVariable("encodedUsername") String encodedUsername)
        throws NotFoundException, IOException {
    User user = userService.getByEncodedUsername(encodedUsername);
    response.setContentType("image/jpeg");
    response.setContentLength(user.getAvatar().length);
    response.getOutputStream().write(user.getAvatar());
}

From source file:biz.webgate.dominoext.poi.component.kernel.CSVProcessor.java

public void generateNewFile(UICSV csvDef, HttpServletResponse httpResponse, FacesContext context) {

    try {// www. jav  a  2s .  co  m
        // First getting the File

        ByteArrayOutputStream csvBAOS = generateCSV(csvDef, context);

        httpResponse.setContentType("text/csv");
        httpResponse.setHeader("Cache-Control", "no-cache");
        httpResponse.setDateHeader("Expires", -1);
        httpResponse.setContentLength(csvBAOS.size());
        httpResponse.addHeader("Content-disposition",
                "inline; filename=\"" + csvDef.getDownloadFileName() + "\"");
        OutputStream os = httpResponse.getOutputStream();
        csvBAOS.writeTo(os);
        os.close();
    } catch (Exception e) {
        ErrorPageBuilder.getInstance().processError(httpResponse, "Error during CSV-Generation", e);
    }

}

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

@Override
protected void doDelete(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    resp.setStatus(HttpServletResponse.SC_METHOD_NOT_ALLOWED);
    resp.setContentLength(0);
}

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

@Override
protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    resp.setStatus(HttpServletResponse.SC_METHOD_NOT_ALLOWED);
    resp.setContentLength(0);
}

From source file:edu.usf.cutr.BaseController.java

protected void createStaticProtoBufFile(HttpServletResponse response, String filename) throws IOException {
    File downloadFile = new File(filename);

    FileInputStream inputStream = new FileInputStream(downloadFile);

    // get MIME type of the file
    String mimeType = "application/x-google-protobuf";

    // set content attributes for the response
    response.setContentType(mimeType);/*from w w w. java2 s  . co  m*/
    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:com.smartsheet.api.HttpTestServer.java

/**
 * Creates an {@link AbstractHandler handler} returning an arbitrary String as a response.
 *
 * @return never <code>null</code>.
 *//*www. j  a v  a2s .  co  m*/
public Handler getMockHandler() {
    Handler handler = new AbstractHandler() {

        //@Override
        public void handle(String target, Request baseRequest, HttpServletRequest request,
                HttpServletResponse response) throws IOException, ServletException {

            setRequestBody(IOUtils.toString(baseRequest.getInputStream()));

            response.setStatus(getStatus());
            response.setContentType(getContentType());

            byte[] body = getResponseBody();

            response.setContentLength(body.length);
            IOUtils.write(body, response.getOutputStream());

            baseRequest.setHandled(true);
        }
    };
    return handler;
}

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

@Test(dataProvider = "httpMethod")
public void all(HTTPMethod httpMethod) throws IOException, ServletException {
    UserField userField = new UserField();
    userField.addresses.put("work", new AddressField());
    userField.addresses.get("work").age = 100;
    userField.addresses.get("work").city = "Denver";
    userField.addresses.get("work").state = "Colorado";
    userField.addresses.get("work").zipcode = "80202";
    userField.addresses.put("home", new AddressField());
    userField.addresses.get("home").age = 100;
    userField.addresses.get("home").city = "Broomfield";
    userField.addresses.get("home").state = "Colorado";
    userField.addresses.get("home").zipcode = "80023";
    userField.active = true;//from w  ww. j a v  a  2  s .c om
    userField.age = 37;
    userField.favoriteMonth = 5;
    userField.favoriteYear = 1976;
    userField.ids.put(0, 1);
    userField.ids.put(1, 2);
    userField.lifeStory = "Hello world";
    userField.locale = Locale.US;
    userField.securityQuestions = new String[] { "one", "two", "three", "four" };
    userField.siblings.add(new UserField("Brett"));
    userField.siblings.add(new UserField("Beth"));
    userField.type = UserType.COOL;

    Post action = new Post();
    ExpressionEvaluator ee = createStrictMock(ExpressionEvaluator.class);
    expect(ee.getValue("user", action)).andReturn(userField);
    replay(ee);

    MockServletOutputStream sos = new MockServletOutputStream();
    HttpServletResponse response = createStrictMock(HttpServletResponse.class);
    response.setStatus(200);
    response.setCharacterEncoding("UTF-8");
    response.setContentType("application/json");
    response.setContentLength(462);
    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(new ArrayList<>());
    replay(messageStore);

    JSON annotation = new JSONResultTest.JSONImpl("success", 200);
    JSONResult result = new JSONResult(ee, store, messageStore, objectMapper, response);
    result.execute(annotation);

    String expected = "{" + "  \"active\":true," + "  \"addresses\":{" + "    \"home\":{" + "      \"age\":100,"
            + "      \"city\":\"Broomfield\"," + "      \"state\":\"Colorado\"," + "      \"zipcode\":\"80023\""
            + "    }," + "    \"work\":{" + "      \"age\":100," + "      \"city\":\"Denver\","
            + "      \"state\":\"Colorado\"," + "      \"zipcode\":\"80202\"" + "    }" + "  },"
            + "  \"age\":37," + "  \"bar\":false," + "  \"favoriteMonth\":5," + "  \"favoriteYear\":1976,"
            + "  \"ids\":{" + "    \"0\":1," + "    \"1\":2" + "  }," + "  \"lifeStory\":\"Hello world\","
            + "  \"locale\":\"en_US\"," + "  \"securityQuestions\":[\"one\",\"two\",\"three\",\"four\"],"
            + "  \"siblings\":[{" + "    \"active\":false," + "    \"bar\":false," + "    \"name\":\"Brett\""
            + "  },{" + "    \"active\":false," + "    \"bar\":false," + "    \"name\":\"Beth\"" + "  }],"
            + "  \"type\":\"COOL\"" + "}";
    assertEquals(sos.toString(), httpMethod == HTTPMethod.GET ? expected.replace("  ", "") : ""); // Un-indent

    verify(ee, messageStore, response);
}

From source file:com.br.helpdesk.controller.AttachmentsController.java

/**
 * download/*from w  w  w  .j  a v a  2s  .com*/
 */
@RequestMapping(value = "/{attachmentId}", method = RequestMethod.GET)
@ResponseBody
public void downloadFile(HttpServletRequest request, HttpServletResponse response,
        @PathVariable(value = "attachmentId") Long attachmentId) throws Exception {
    Attachments attachment = attachmentsService.findById(attachmentId);

    String contentType = MimeTypeConstants.getMimeType(FilenameUtils.getExtension(attachment.getName()));
    response.setContentType(contentType);
    response.setContentLength(attachment.getByteArquivo().length);
    response.setHeader("Content-Disposition", "attachment; filename=\"" + attachment.getName() + "\"");

    FileCopyUtils.copy(attachment.getByteArquivo(), response.getOutputStream());
}

From source file:ch.rasc.extclassgenerator.ModelGenerator.java

public static void writeModel(HttpServletRequest request, HttpServletResponse response, ModelBean model,
        OutputConfig outputConfig) throws IOException {

    byte[] data = generateJavascript(model, outputConfig).getBytes(UTF8_CHARSET);
    String ifNoneMatch = request.getHeader("If-None-Match");
    String etag = "\"0" + DigestUtils.md5DigestAsHex(data) + "\"";

    if (etag.equals(ifNoneMatch)) {
        response.setStatus(HttpServletResponse.SC_NOT_MODIFIED);
        return;/*from   ww w . jav a  2  s . c om*/
    }

    response.setContentType("application/javascript");
    response.setCharacterEncoding(UTF8_CHARSET.name());
    response.setContentLength(data.length);

    response.setHeader("ETag", etag);

    @SuppressWarnings("resource")
    ServletOutputStream out = response.getOutputStream();
    out.write(data);
    out.flush();

}