Example usage for javax.servlet.http HttpServletResponse getOutputStream

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

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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.zalando.logbook.servlet.example.ExampleController.java

@RequestMapping(value = "/read-byte", produces = MediaType.TEXT_PLAIN_VALUE)
public void readByte(final HttpServletRequest request, final HttpServletResponse response) throws IOException {

    final ServletInputStream input = request.getInputStream();
    final ServletOutputStream output = response.getOutputStream();

    while (true) {
        final int read = input.read();
        if (read == -1) {
            break;
        }//from w ww .  j  a v a2s  .c  om
        output.write(read);
    }
}

From source file:com.healthcit.cacure.web.controller.ModuleImportExportController.java

@RequestMapping(method = RequestMethod.GET)
public void exportModule(@RequestParam(value = "moduleId", required = true) long id,
        @RequestParam(value = "format", required = true) String format, HttpServletResponse response) {

    try {/* ww  w .  j a v  a2s .  c o m*/
        response.setContentType("text/xml");

        OutputStream oStream = response.getOutputStream();
        Cure cureXml = dataExporter.constructModuleXML(id);
        JAXBContext jc = JAXBContext.newInstance("com.healthcit.cacure.export.model");
        if (ExportFormat.XML.name().equals(format)) {
            String fileNameHeader = String.format("attachment; filename=form-%d.xml;", id);

            response.setHeader("Content-Disposition", fileNameHeader);
            Marshaller m = jc.createMarshaller();
            m.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, Boolean.TRUE);
            m.marshal(cureXml, oStream);
        } else if (ExportFormat.EXCEL.name().equals(format)) {
            String fileNameHeader = String.format("attachment; filename=form-%d.xlxml;", id);

            response.setHeader("Content-Disposition", fileNameHeader);
            response.setContentType("application/xml");
            StreamSource xslSource = new StreamSource(this.getClass().getClassLoader()
                    .getResourceAsStream(AppConfig.getString(Constants.EXPORT_EXCEL_XSLT_FILE)));
            JAXBSource xmlSource = new JAXBSource(jc, cureXml);
            Transformer transformer = TransformerFactory.newInstance().newTransformer(xslSource);
            transformer.transform(xmlSource, new StreamResult(oStream));
        }
        oStream.flush();
    } catch (IOException e) {
        log.error("Unable to obtain output stream from the response");
        log.error(e.getMessage(), e);
    } catch (JAXBException e) {
        log.error("Unable to marshal the object");
        log.error(e.getMessage(), e);
    } catch (TransformerException e) {
        log.error("XSLT transformation failed");
        log.error(e.getMessage(), e);
    }
}

From source file:org.openmrs.module.clinicalsummary.web.controller.watcher.CohortEvaluationWatcherController.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 ww  .j  av  a  2 s .  c o  m*/

    SummaryCohortEvaluatorInstance instanceSummary = SummaryCohortEvaluatorInstance.getInstance();
    generator.writeBooleanField("running", instanceSummary.isRunning());
    generator.writeStringField("filename", instanceSummary.getCurrentPatient());
    generator.writeStringField("status", instanceSummary.getCurrentStatus());
    generator.writeStringField("counter", instanceSummary.getProcessed());
    generator.writeStringField("size", instanceSummary.getSize());

    generator.writeEndObject();

    generator.close();
}

From source file:org.openmrs.module.clinicalsummary.web.controller.watcher.ReminderEvaluationWatcherController.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 ww .j  a va  2s .  c  om

    ReminderCohortEvaluatorInstance instanceSummary = ReminderCohortEvaluatorInstance.getInstance();
    generator.writeBooleanField("running", instanceSummary.isRunning());
    generator.writeStringField("filename", instanceSummary.getCurrentPatient());
    generator.writeStringField("status", instanceSummary.getCurrentStatus());
    generator.writeStringField("counter", instanceSummary.getProcessed());
    generator.writeStringField("size", instanceSummary.getSize());

    generator.writeEndObject();

    generator.close();
}

From source file:org.openmrs.module.clinicalsummary.web.controller.watcher.RuleEvaluationWatcherController.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.ja v a 2s.  co  m

    RuleCohortEvaluatorInstance instanceCohort = RuleCohortEvaluatorInstance.getInstance();
    generator.writeBooleanField("running", instanceCohort.isRunning());
    generator.writeStringField("filename", instanceCohort.getCurrentPatient());
    generator.writeStringField("status", instanceCohort.getCurrentStatus());
    generator.writeStringField("counter", instanceCohort.getProcessed());
    generator.writeStringField("size", instanceCohort.getSize());

    generator.writeEndObject();

    generator.close();
}

From source file:org.zalando.logbook.servlet.example.ExampleController.java

@RequestMapping(value = "/read-bytes", produces = MediaType.TEXT_PLAIN_VALUE)
public void readBytes(final HttpServletRequest request, final HttpServletResponse response) throws IOException {

    final ServletInputStream input = request.getInputStream();
    final ServletOutputStream output = response.getOutputStream();

    final byte[] buffer = new byte[1];

    while (true) {
        final int read = input.read(buffer);
        if (read == -1) {
            break;
        }/*from w w  w .j  a v  a 2s  .  c  o  m*/
        output.write(buffer);
    }
}

From source file:com.thoughtworks.go.agent.testhelper.FakeGoServer.java

private void start() throws Exception {
    server = new Server();
    ServerConnector connector = new ServerConnector(server);
    server.addConnector(connector);//from w w w.  j  a  v a2 s  .  c  o  m

    SslContextFactory sslContextFactory = new SslContextFactory();
    sslContextFactory.setCertAlias("cruise");
    sslContextFactory.setKeyStoreResource(Resource.newClassPathResource("testdata/fake-server-keystore"));
    sslContextFactory.setKeyStorePassword("serverKeystorepa55w0rd");

    ServerConnector secureConnnector = new ServerConnector(server,
            new SslConnectionFactory(sslContextFactory, HttpVersion.HTTP_1_1.asString()),
            new HttpConnectionFactory(new HttpConfiguration()));
    server.addConnector(secureConnnector);

    WebAppContext wac = new WebAppContext(".", "/go");
    ServletHolder holder = new ServletHolder();
    holder.setServlet(new HttpServlet() {
        @Override
        protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOException {
            resp.getOutputStream().println("Hello");
        }
    });
    wac.addServlet(holder, "/hello");
    addFakeAgentBinaryServlet(wac, "/admin/agent", TEST_AGENT, this);
    addFakeAgentBinaryServlet(wac, "/admin/agent-launcher.jar", TEST_AGENT_LAUNCHER, this);
    addFakeAgentBinaryServlet(wac, "/admin/agent-plugins.zip", TEST_AGENT_PLUGINS, this);
    addFakeAgentBinaryServlet(wac, "/admin/tfs-impl.jar", TEST_TFS_IMPL, this);
    addlatestAgentStatusCall(wac);
    addDefaultServlet(wac);
    server.setHandler(wac);
    server.setStopAtShutdown(true);
    server.start();

    port = connector.getLocalPort();
    securePort = secureConnnector.getLocalPort();
}

From source file:info.magnolia.cms.servlets.Spool.java

/**
 * @param resource File to be returned to the client
 * @param response HttpServletResponse/*from  w  w w. ja v a 2s  . c  o  m*/
 * @return <code>true</code> if the file has been written to the servlet output stream without errors
 * @throws IOException for error in accessing the resource or the servlet output stream
 */
private boolean spool(File resource, HttpServletResponse response) throws IOException {
    FileInputStream in = new FileInputStream(resource);

    try {
        ServletOutputStream os = response.getOutputStream();
        byte[] buffer = new byte[8192];
        int read = 0;
        while ((read = in.read(buffer)) > 0) {
            os.write(buffer, 0, read);
        }
        os.flush();
        IOUtils.closeQuietly(os);
    } catch (IOException e) {
        // only log at debug level, tomcat usually throws a ClientAbortException anytime the user stop loading the
        // page
        if (log.isDebugEnabled())
            log.debug("Unable to spool resource due to a " + e.getClass().getName() + " exception", e); //$NON-NLS-1$ //$NON-NLS-2$
        return false;
    } finally {
        IOUtils.closeQuietly(in);
    }
    return true;
}

From source file:nl.surfnet.coin.mock.MockHandler.java

private void respond(HttpServletResponse response, HttpServletRequest request) throws IOException {
    ServletOutputStream outputStream = response.getOutputStream();
    String requestURI = request.getRequestURI();
    InputStream inputStream = getResponseInputStream(requestURI);
    logger.debug("Received Http request ('" + requestURI + "')");
    if (request.getMethod().equals(HttpMethods.POST)) {
        logger.debug("Received POST request ('" + IOUtils.toString(request.getInputStream()) + "')");
    }/* w  w w  .j  a va  2s  . c  om*/
    if (status != 0) {
        response.setStatus(status);
        //reset
        status = 0;
    }
    IOUtils.copy(inputStream, outputStream);
    outputStream.flush();
}

From source file:org.ow2.proactive.workflow_catalog.rest.controller.WorkflowControllerTest.java

@Test
public void testGetWorkflowsAsArchive() throws IOException {
    HttpServletResponse response = mock(HttpServletResponse.class);
    ServletOutputStream sos = mock(ServletOutputStream.class);
    when(response.getOutputStream()).thenReturn(sos);
    List<Long> idList = new ArrayList<>();
    idList.add(0L);//  ww w  . j a va  2 s .  c  o m
    workflowController.get(1L, idList, Optional.of("zip"), response);
    verify(workflowService, times(1)).getWorkflowsAsArchive(1L, idList);
    verify(response, times(1)).setStatus(HttpServletResponse.SC_OK);
    verify(response, times(1)).setContentType("application/zip");
    verify(response, times(1)).addHeader(HttpHeaders.CONTENT_ENCODING, "binary");
    verify(response, times(1)).addHeader(HttpHeaders.CONTENT_DISPOSITION,
            "attachment; filename=\"archive.zip\"");
    verify(sos, times(1)).write(Mockito.any());
    verify(sos, times(1)).flush();
}