Example usage for javax.servlet.http HttpServletResponse getOutputStream

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

  1. HOME
  2. Java
  3. javax
  4. javax.servlet.http.*
  5. HttpServletResponse
  6. getOutputStream

Introduction

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

Prototype

public ServletOutputStream getOutputStream() throws IOException;

Source Link

Document

Returns a ServletOutputStream suitable for writing binary data in the response.

Usage

From source file:org.reallysqs.server.views.ReceivedMessagesResponseView.java

@SuppressWarnings("unchecked")
@Override//from w  w  w .  jav  a 2  s  .c o  m
protected void renderMergedOutputModel(Map<String, Object> model, HttpServletRequest request,
        HttpServletResponse response) throws Exception {

    response.setContentType("text/xml");

    List<Message> messages = (List<Message>) model.get("messages");

    ServletOutputStream outputStream = response.getOutputStream();
    outputStream.print(prelude);
    if (messages != null) {
        for (Message message : messages) {
            outputStream.print("<Message><MessageId>");
            outputStream.print(message.getUuid());
            outputStream.print("</MessageId><MessageBody>");
            outputStream.print(message.getContent());
            outputStream.print("</MessageBody></Message>");
        }
    }

    outputStream.print(epilogue);

}

From source file:com.twitter.common.net.http.handlers.AssetHandler.java

@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {

    OutputStream responseBody = resp.getOutputStream();

    if (checksumMatches(req)) {
        resp.setStatus(HttpServletResponse.SC_NOT_MODIFIED);
    } else {/*from   w  ww.  j  a  v a 2s . c om*/
        setPayloadHeaders(resp);

        boolean gzip = supportsGzip(req);
        if (gzip) {
            resp.setHeader("Content-Encoding", GZIP_ENCODING);
        }

        InputStream in = new ByteArrayInputStream(gzip ? staticAsset.getGzipData() : staticAsset.getRawData());
        ByteStreams.copy(in, responseBody);
    }

    Closeables.close(responseBody, /* swallowIOException */ true);
}

From source file:UTF8.java

public void doGet(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException {
    try {//www . ja  v a2s .  c  om
        BufferedReader reader = req.getReader();

        res.setContentType("text/html; charset=UTF-8");
        PrintWriter out = new PrintWriter(new OutputStreamWriter(res.getOutputStream(), "UTF8"), true);

        // Read and write 4K chars at a time
        // (Far more efficient than reading and writing a line at a time)
        char[] buf = new char[4 * 1024]; // 4Kchar buffer
        int len;
        while ((len = reader.read(buf, 0, buf.length)) != -1) {
            out.write(buf, 0, len);
        }
        out.flush();
    } catch (Exception e) {
        getServletContext().log(e, "Problem filtering page to UTF-8");
    }
}

From source file:edu.mayo.cts2.framework.plugin.service.lexevs.bulk.AbstractBulkDownloadController.java

protected void writeException(HttpServletResponse response, String message, int errorCode) {
    response.setContentType("text/plain; charset=utf-8");
    response.setStatus(errorCode);//  w w  w .j a  va 2  s  . co m

    try {
        IOUtils.write(message, response.getOutputStream());
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
}

From source file:simplestorage.hashtable.JsonView.java

@Override
protected void renderMergedOutputModel(Map model, HttpServletRequest request, HttpServletResponse response)
        throws Exception {
    response.setContentType("text/plain");
    response.setHeader("Cache-Control", "no-cache");
    String json = model.get("responseJson").toString();
    ServletOutputStream out = response.getOutputStream();
    out.print(json);//w  ww  . j  a v  a  2 s. c o m
    out.close();
}

From source file:org.openmrs.module.clinicalsummary.web.controller.watcher.DownloadUploadWatcherController.java

@RequestMapping(method = RequestMethod.GET)
public void watch(final HttpServletResponse response) throws IOException {
    response.setContentType(MimeType.APPLICATION_JSON);
    JsonFactory factory = new JsonFactory();
    JsonGenerator generator = factory.createJsonGenerator(response.getOutputStream(), JsonEncoding.UTF8);
    generator.useDefaultPrettyPrinter();

    generator.writeStartObject();//from w w  w.  j a  v  a2 s .  c  o m

    SummariesTaskInstance instance = SummariesTaskInstance.getInstance();
    generator.writeBooleanField("running", instance.isRunning());
    generator.writeStringField("filename", instance.getCurrentFilename());
    generator.writeStringField("task", instance.getCurrentTask());

    String summariesFilename = instance.getSummariesFilename();
    if (!instance.isRunning() && StringUtils.isNotEmpty(summariesFilename)) {
        generator.writeStringField("file", summariesFilename);
        SummariesTaskInstance.removeInstance();
    }

    generator.writeEndObject();
    generator.close();
}

From source file:com.stratelia.webactiv.servlets.OnlineFileServer.java

private void displayWarningHtmlCode(HttpServletResponse res) throws IOException {
    StringReader message = null;// w w w .  j a  v  a2s .c  o  m
    OutputStream output = res.getOutputStream();
    ResourceLocator resourceLocator = new ResourceLocator(
            "com.stratelia.webactiv.util.peasUtil.multiLang.fileServerBundle", "");
    message = new StringReader(resourceLocator.getString("warning"));
    try {
        IOUtils.copy(message, output);
    } catch (Exception e) {
        SilverTrace.warn("peasUtil", "OnlineFileServer.displayWarningHtmlCode", "root.EX_CANT_READ_FILE",
                "warning properties");
    } finally {
        IOUtils.closeQuietly(output);
        IOUtils.closeQuietly(message);
    }
}

From source file:net.mindengine.oculus.frontend.web.controllers.test.AjaxParameterSearchController.java

@Override
public ModelAndView handleRequest(HttpServletRequest request, HttpServletResponse response) throws Exception {

    OutputStream os = response.getOutputStream();
    response.setContentType("text/xml");

    String rId = request.getParameter("id");

    OutputStreamWriter w = new OutputStreamWriter(os);

    String rootId = rId;//w  w  w .  jav  a  2  s  .c  o  m
    w.write("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
    w.write("<tree id=\"" + rootId + "\" >");

    List<Project> projects = null;
    List<TestGroup> groups = null;
    List<Test> tests = null;
    List<TestParameter> parameters = null;
    if (rId.equals("0")) {
        // Fetching a list of projects
        projects = projectDAO.getRootProjects();
    } else if (rId.startsWith("p")) {
        Long projectId = Long.parseLong(rId.substring(1));
        projects = projectDAO.getSubprojects(projectId);

        tests = testDAO.getTestsByProjectId(projectId, 0L);
        groups = testDAO.getProjectTestGroups(projectId);
    } else if (rId.startsWith("g")) {
        // g123_456 where 123 - id of a group and 456 - id of a project
        int dash = rId.indexOf("_");
        Long groupId = Long.parseLong(rId.substring(1, dash));
        Long projectId = Long.parseLong(rId.substring(dash + 1));

        tests = testDAO.getTestsByProjectId(projectId, groupId);
    } else if (rId.startsWith("t")) {
        Long testId = Long.parseLong(rId.substring(1));
        parameters = testDAO.getTestInputParameters(testId);
        parameters.addAll(testDAO.getTestOutputParameters(testId));
    }

    if (projects != null) {
        for (Project project : projects) {
            w.write("<item text=\"" + XmlUtils.escapeXml(project.getName()) + "\" " + "id=\"p" + project.getId()
                    + "\" im0=\"tombs.gif\" im1=\"tombs_open.gif\" im2=\"tombs.gif\" child=\"1\" "
                    + " nocheckbox=\"1\" >");
            w.write("</item>");
        }
    }
    if (groups != null) {
        for (TestGroup group : groups) {
            w.write("<item ");
            w.write("text=\"" + XmlUtils.escapeXml(group.getName()) + "\" ");
            w.write("id=\"g" + group.getId() + "_" + group.getProjectId() + "\" ");
            w.write("im0=\"folderClosed.gif\" im1=\"folderOpen.gif\" im2=\"folderClosed.gif\" ");
            w.write("child=\"1\" nocheckbox=\"1\"  >");
            w.write("</item>");
        }
    }
    if (tests != null) {
        for (Test test : tests) {
            w.write("<item ");
            w.write("text=\"" + XmlUtils.escapeXml(test.getName()) + "\" ");
            w.write("id=\"t" + test.getId() + "\" ");
            w.write("im0=\"iconTest.png\" im1=\"iconTest.png\" im2=\"iconTest.png\" ");
            w.write("child=\"1\" nocheckbox=\"1\"  >");
            w.write("</item>");
        }
    }
    if (parameters != null) {
        for (TestParameter parameter : parameters) {
            w.write("<item ");
            w.write("text=\"" + XmlUtils.escapeXml(parameter.getName()) + "\" ");
            w.write("id=\"tp" + parameter.getId() + "\" ");

            if (parameter.getType().equals(TestParameter.TYPE_INPUT)) {
                w.write("im0=\"iconParameterInput.png\" im1=\"iconParameterInput.png\" im2=\"iconParameterInput.png\" ");
            } else
                w.write("im0=\"iconParameterOutput.png\" im1=\"iconParameterOutput.png\" im2=\"iconParameterOutput.png\" ");
            w.write(" >");
            w.write("</item>");
        }
    }

    w.write("</tree>");
    w.flush();
    os.flush();
    os.close();
    return null;
}

From source file:codes.thischwa.c5c.requestcycle.response.GenericResponse.java

/**
 * Write the response to the {@link HttpServletResponse} (The character encoding of the {@link HttpServletResponse} will
 * be used. Inherited object could overwrite this to write 
 * special content or headers.//from   w  ww  .j av a 2  s .  c o m
 * 
 * @param resp
 *            the resp
 * @throws IOException
 *             Signals that an I/O exception has occurred.
 */
@JsonIgnore
public void write(HttpServletResponse resp) throws IOException {
    if (mode != null && mode.getContentType() != null)
        resp.setContentType(mode.getContentType());
    OutputStream out = resp.getOutputStream();
    String json = toString();
    IOUtils.write(json, out, resp.getCharacterEncoding());
    IOUtils.closeQuietly(out);
}

From source file:com.hp.autonomy.frontend.find.core.view.ViewController.java

@RequestMapping(value = VIEW_STATIC_CONTENT_PROMOTION_PATH, method = RequestMethod.GET)
public void viewStaticContentPromotion(@RequestParam(REFERENCE_PARAM) final String reference,
        final HttpServletResponse response) throws IOException, E {
    response.setContentType(MediaType.TEXT_HTML_VALUE);
    ViewContentSecurityPolicy.addContentSecurityPolicy(response);

    viewServerService.viewStaticContentPromotion(reference, response.getOutputStream());
}