Example usage for java.io PrintWriter flush

Introduction

In this page you can find the example usage for java.io PrintWriter flush.

Prototype

public void flush() 

Source Link

Document

Flushes the stream.

Usage

From source file:com.honnix.cheater.admin.AdminClient.java

public void run() {
    try {//  ww w.  ja  va 2s . co  m
        BufferedReader br = new BufferedReader(new InputStreamReader(clientSocket.getInputStream()));
        PrintWriter pw = new PrintWriter(clientSocket.getOutputStream());

        pw.print(PROMPT);
        pw.flush();

        while (true) {
            String command = br.readLine();

            if ("status".equals(command)) {
                pw.println(CheaterConstant.STATUS_MAP.get(server.getCheater().getCurrentStatus()));
                pw.print(PROMPT);
                pw.flush();
            } else if ("help".equals(command)) {
                pw.println("status    to show current status of cheater");
                pw.println("quit      to quit administration connection");
                pw.println("shutdown  to shutdown cheater");
                pw.println("help      to show this message");
                pw.print(PROMPT);
                pw.flush();
            } else if ("shutdown".equals(command)) {
                clientSocket.close();
                server.stop();
                server.getCheater().stop();

                break;
            } else if ("quit".equals(command) || command == null) {
                server.setHasClient(false);
                clientSocket.close();

                break;
            } else {
                pw.println(new StringBuilder("Unknown command,").append(" use \"status|quit|shutdown|help\".")
                        .toString());
                pw.print(PROMPT);
                pw.flush();
            }
        }
    } catch (IOException e) {
        LOG.error("Error operating client socket.", e);
    } finally {
        try {
            clientSocket.close();
        } catch (IOException e) {
            LOG.error("Error closing client socket.", e);
        }
    }
}

---

From source file:org.eurekastreams.server.service.servlets.GetThemeCssServlet.java

/**
 * {@inheritDoc}/*from   ww w  .j a va 2 s .c  om*/
 */
@Override
protected void doGet(final HttpServletRequest request, final HttpServletResponse response)
        throws ServletException, IOException {
    // grab items from spring context if not initialized, 500 error if unable
    try {
        initializeSpringObjects();
    } catch (Exception e) {
        httpError(HttpStatus.SC_INTERNAL_SERVER_ERROR, response);
        return;
    }

    // Convert request to theme uuid, 400 if error.
    String themeUuid = null;
    try {
        themeUuid = requestUriToThemeUuIdTransformer.transform(request.getRequestURI());

        // StringUtils.isEmpty checks for null or empty string, String.isEmtpy only checks length
        if (StringUtils.isEmpty(themeUuid)) {
            httpError(HttpStatus.SC_BAD_REQUEST, response);
            return;
        }
    } catch (Exception e) {
        httpError(HttpStatus.SC_BAD_REQUEST, response);
        return;
    }

    // get the string css by theme uuid, 404 on error.
    String themeCss = null;
    try {
        themeCss = getThemeCssByUuidMapper.execute(themeUuid);
    } catch (Exception e) {
        httpError(HttpStatus.SC_NOT_FOUND, response);
        return;
    }

    response.setContentType("text/css");
    response.setContentLength(themeCss.getBytes().length);

    PrintWriter out = response.getWriter();
    out.write(themeCss);
    out.flush();
}

---

From source file:edu.cornell.mannlib.vitro.webapp.sparql.GetClazzObjectProperties.java

public void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    if (!isAuthorizedToDisplayPage(request, response, SimplePermission.USE_MISCELLANEOUS_PAGES.ACTION)) {
        return;//from   www.  j  ava2s. co  m
    }

    VitroRequest vreq = new VitroRequest(request);

    String vClassURI = vreq.getParameter("vClassURI");
    if (vClassURI == null || vClassURI.trim().equals("")) {
        return;
    }

    String respo = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>";
    respo += "<options>";

    ObjectPropertyDao odao = vreq.getUnfilteredWebappDaoFactory().getObjectPropertyDao();
    PropertyInstanceDao piDao = vreq.getUnfilteredWebappDaoFactory().getPropertyInstanceDao();
    VClassDao vcDao = vreq.getUnfilteredWebappDaoFactory().getVClassDao();

    // incomplete list of classes to check, but better than before
    List<String> superclassURIs = vcDao.getAllSuperClassURIs(vClassURI);
    superclassURIs.add(vClassURI);
    superclassURIs.addAll(vcDao.getEquivalentClassURIs(vClassURI));

    Map<String, PropertyInstance> propInstMap = new HashMap<String, PropertyInstance>();
    for (String classURI : superclassURIs) {
        Collection<PropertyInstance> propInsts = piDao.getAllPropInstByVClass(classURI);
        try {
            for (PropertyInstance propInst : propInsts) {
                propInstMap.put(propInst.getPropertyURI(), propInst);
            }
        } catch (NullPointerException ex) {
            continue;
        }
    }
    List<PropertyInstance> propInsts = new ArrayList<PropertyInstance>();
    propInsts.addAll(propInstMap.values());
    Collections.sort(propInsts);

    Iterator propInstIt = propInsts.iterator();
    HashSet opropURIs = new HashSet();
    while (propInstIt.hasNext()) {
        PropertyInstance pi = (PropertyInstance) propInstIt.next();
        if (!(opropURIs.contains(pi.getPropertyURI()))) {
            opropURIs.add(pi.getPropertyURI());
            ObjectProperty oprop = (ObjectProperty) odao.getObjectPropertyByURI(pi.getPropertyURI());
            if (oprop != null) {
                respo += "<option>" + "<key>" + oprop.getLocalName() + "</key>" + "<value>" + oprop.getURI()
                        + "</value>" + "</option>";
            }
        }
    }
    respo += "</options>";
    response.setContentType("text/xml");
    response.setCharacterEncoding("UTF-8");
    PrintWriter out = response.getWriter();

    out.println(respo);
    out.flush();
    out.close();
}

---

From source file:gov.hhs.fha.nhinc.lift.proxy.util.DemoProtocol.java

@Override
public void sendLine(String mess) throws IOException {
    log.debug("Protocol handshake on socket " + socket.getInetAddress() + ": " + socket.getPort());
    socket.startHandshake();/*from   w  w  w  .  j  av  a  2  s  .c  om*/

    PrintWriter out = new PrintWriter(new BufferedWriter(new OutputStreamWriter(socket.getOutputStream())));
    out.println(mess);
    out.flush();
}

---

From source file:es.eucm.mokap.backend.server.MokapBackend.java

/**
 * Method: POST Processes post requests.
 * //from  ww  w. j  a v a2  s  . c  om
 * <pre>
 * - Requests must be multipart/form-data.
 * - The field with the file must be named "file". 
 * - The file must be a .zip compressed file with the structure
 *   defined in {@link UploadZipStructure}.
 * </pre>
 */
public void doPost(HttpServletRequest req, HttpServletResponse resp) throws IOException {
    MokapInsertController iCont = new MokapInsertController();
    // Check api key
    if (!ApiKeyVerifier.checkApiKey(req, resp)) {
        return;
    } else {

        try {
            // Get the uploaded file stream
            FileItemStream fis = getUploadedFile(req);
            if (fis != null) {
                // Actually process the uploaded resource
                String str = iCont.processUploadedResource(fis);
                // Send the response
                PrintWriter out = resp.getWriter();
                out.print(str);
                out.flush();
                out.close();
            } else {
                resp.sendError(HttpServletResponse.SC_BAD_REQUEST,
                        ServerReturnMessages.INVALID_UPLOAD_FILENOTFOUND);
            }
        } catch (Exception e) {
            resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
                    ServerReturnMessages.m(ServerReturnMessages.GENERIC_INTERNAL_ERROR, e.getMessage()));
        }
    }
}

---

From source file:com.linuxbox.enkive.message.AbstractMessage.java

protected String getUnpatchedEmail() throws IOException {
    StringWriter out = new StringWriter();
    PrintWriter writer = new PrintWriter(out);
    writer.print(originalHeaders);/*from ww w. j a va2s. com*/
    writer.flush();
    contentHeader.pushReconstitutedEmail(writer);
    return out.toString();
}

---

From source file:bookUtilities.HomePageBooksServlet.java

/**
 * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
 * methods./*from   w ww  .  j a v a 2  s  . c o m*/
 *
 * @param request servlet request
 * @param response servlet response
 * @throws ServletException if a servlet-specific error occurs
 * @throws IOException if an I/O error occurs
 */
protected void processRequest(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    response.setContentType("text/html;charset=UTF-8");
    //Get the top four most recently added books
    JSONArray newestBooks = getNewestBooks();
    //Gets the top four most checked out books
    getPopularBooks(newestBooks);
    //Returns the data to the front end
    PrintWriter printout = response.getWriter();
    printout.print(newestBooks);
    printout.flush();
}

---

From source file:gov.nih.nci.cabig.caaers.tools.spring.tabbedflow.SimpleFormAjaxableController.java

protected void respondAjaxFreeText(ModelAndView modelAndView, HttpServletResponse response) throws Exception {
    PrintWriter pr = response.getWriter();
    pr.println(modelAndView.getModel().get(getFreeTextModelName()));
    pr.flush();
    pr.close();/*from   w ww .  j  av  a  2s .  com*/
}

---

From source file:presentation.webgui.vitroappservlet.VisualStyles.java

protected void doPost(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    HttpSession session = request.getSession();
    this.uStyleId = request.getParameter("suid");
    Model3dStylesList myStylesIndex = Model3dStylesList.getModel3dStylesList();
    Model3dStylesEntry currStyleEntry = myStylesIndex.getStyleWithId(this.uStyleId);
    if (currStyleEntry != null) {
        response.setContentType("image/png");
        OutputStream out = response.getOutputStream();
        try {/*from  ww w .ja  v a  2s. c om*/
            JFreeChart chart = StyleCreator.createDatasetAndChart(currStyleEntry);

            int chartHeight = 40;
            if (chart.getCategoryPlot().getDataset().getColumnKeys().size() > 1) {
                chartHeight = chart.getCategoryPlot().getDataset().getColumnKeys().size() * 22;
            }
            ChartUtilities.writeChartAsPNG(out, chart, 300, chartHeight);
        } catch (Exception e) {
            System.err.println(e.toString());
            response.setContentType("text/html");
            PrintWriter outPrintWriter = response.getWriter();
            outPrintWriter.print("<b>Error</b>:" + e.toString());
            outPrintWriter.flush();
            outPrintWriter.close();
        } finally {
            out.close();
        }
        return;
    } else {
        response.setContentType("text/html");
        PrintWriter outPrintWriter = response.getWriter();
        outPrintWriter.print("<b>No style defined</b>");
        outPrintWriter.flush();
        outPrintWriter.close();
    }
}

---

From source file:es.eucm.mokap.backend.server.MokapBackend.java

/**
 * Method: GET Processes get requests to perform a search. It performs an
 * index search with the keyword in that header. Requires a valid api key to
 * work.//from w ww.ja v  a2s.c  om
 */
@Override
public void doGet(HttpServletRequest req, HttpServletResponse resp) {
    MokapSearchController sCont = new MokapSearchController();
    // Check api key
    try {
        if (!ApiKeyVerifier.checkApiKey(req, resp)) {
            PrintWriter out = resp.getWriter();
            out.print("Wrong API key.");
            out.flush();
            out.close();
        } else {
            PrintWriter out = resp.getWriter();

            // Get the parameters from the header / parameter
            SearchParams sp = SearchParamsFactory.create(req);
            String str = sCont.performSearch(sp);
            // Set the response encoding
            resp.setCharacterEncoding("UTF-8");
            resp.setContentType("application/json");
            out.print(str);
            out.flush();
            out.close();
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
}

---

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