Example usage for java.io PrintWriter write

Introduction

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

Prototype

public void write(String s) 

Source Link

Document

Writes a string.

Usage

From source file:edu.cornell.mannlib.vitro.webapp.servlet.ConceptSearchServlet.java

@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    super.doGet(req, resp);
    VitroRequest vreq = new VitroRequest(req);

    try {//  w  w  w. jav  a  2s .c  om
        ServletContext ctx = vreq.getSession().getServletContext();
        //Captures both concept list and any errors if they exist
        ConceptInfo conceptInfo = new ConceptInfo();
        conceptInfo.setSemanticServicesError(null);

        //Json output should be written out
        List<Concept> results = null;
        try {
            results = ConceptSearchServiceUtils.getSearchResults(ctx, vreq);
        } catch (Exception ex) {
            SemanticServicesError semanticServicesError = new SemanticServicesError("Exception encountered ",
                    ex.getMessage(), "fatal");
            log.error("An error occurred retrieving search results", ex);
            conceptInfo.setSemanticServicesError(semanticServicesError);
        }
        conceptInfo.setConceptList(results);

        String json = renderJson(conceptInfo);

        json = StringUtils.replaceChars(json, "\r\t\n", "");
        PrintWriter writer = resp.getWriter();
        resp.setContentType("application/json");
        writer.write(json);
        writer.close();

    } catch (Exception ex) {
        log.warn(ex, ex);
    }
}

---

From source file:eu.stratosphere.nephele.jobmanager.web.SetupInfoServlet.java

private void writeTaskmanagers(HttpServletResponse resp) throws IOException {

    Set<InstanceConnectionInfo> keys = jobmanager.getInstances().keySet();
    List<InstanceConnectionInfo> list = new ArrayList<InstanceConnectionInfo>(keys);
    Collections.sort(list);//from w  w w .  j  a v a 2 s.  c  o  m

    JSONObject obj = new JSONObject();
    JSONArray array = new JSONArray();
    for (InstanceConnectionInfo k : list) {
        JSONObject objInner = new JSONObject();

        AbstractInstance instance = jobmanager.getInstances().get(k);
        // long time = new Date().getTime() - instance.getLastHeartBeat();

        try {
            objInner.put("inetAdress", k.getAddress());
            objInner.put("ipcPort", k.getIPCPort());
            objInner.put("dataPort", k.getDataPort());
            objInner.put("timeSinceLastHeartbeat", "?");
            objInner.put("slotsNumber", "?"); // instance.getNumberOfSlots()
            objInner.put("freeSlots", "?"); // instance.getNumberOfAvailableSlots());
            objInner.put("cpuCores", instance.getHardwareDescription().getNumberOfCPUCores());
            objInner.put("physicalMemory",
                    instance.getHardwareDescription().getSizeOfPhysicalMemory() / 1048576);
            objInner.put("freeMemory", instance.getHardwareDescription().getSizeOfFreeMemory() / 1048576);
            array.put(objInner);
        } catch (JSONException e) {
            LOG.warn("Json object creation failed", e);
        }

    }
    try {
        obj.put("taskmanagers", array);
    } catch (JSONException e) {
        LOG.warn("Json object creation failed", e);
    }

    PrintWriter w = resp.getWriter();
    w.write(obj.toString());
}

---

From source file:com.eternity.common.communication.servlet.AsyncDispatch.java

protected void doRequest(HttpServletRequest req, HttpServletResponse resp, InputStream data)
        throws ServletException, IOException {
    String contentType = req.getContentType();
    String charset = req.getCharacterEncoding();
    String acceptsHeader = req.getHeader("Accept");
    Encoder encoder = null;//  w  ww .  jav  a2s  . c o  m
    Decoder decoder = ProtocolHandlers.getHandlers().getDecoder(contentType);

    if (charset == null) {
        charset = "UTF-8";
    }

    if (decoder == null) {
        resp.setStatus(400);
        PrintWriter p = resp.getWriter();
        p.write("Unacceptable Content-Type!");
        return;
    }

    if (acceptsHeader != null) {
        String accepts[] = acceptsHeader.split(",");

        for (String accept : accepts) {
            encoder = ProtocolHandlers.getHandlers().getEncoder(accept.trim());
            if (encoder != null)
                break;
        }
    } else {
        encoder = ProtocolHandlers.getHandlers().getEncoder(contentType);
    }

    if (encoder == null) {
        resp.setStatus(400);
        PrintWriter p = resp.getWriter();
        p.write("Unacceptable or missing ACCEPT header!");
        return;
    }

    String jsonMessage = req.getParameter(Parameter.jsonMessage.toString());
    Message message = (Message) decoder.decode(ByteBuffer.wrap(jsonMessage.getBytes(charset)), Message.class);
    message.encoding = contentType;
    ByteArrayOutputStream bytes = new ByteArrayOutputStream();
    if (data != null)
        IOUtils.copy(data, bytes);
    message.body = ByteBuffer.wrap(bytes.toByteArray());
    MessageConsumer.dispatchAsyncMessage(message, null, hostName);
    Response result = new Response();
    result.setStatus(200);
    resp.getOutputStream().write(encoder.encode(result).array());
}

---

From source file:javax.portlet.tck.portlets.AddlRequestTests_SPEC2_11_EventReq_event.java

@Override
public void render(RenderRequest portletReq, RenderResponse portletResp) throws PortletException, IOException {

    portletResp.setContentType("text/html");
    PrintWriter writer = portletResp.getWriter();
    writer.write("<h3>Event Companion Portlet </h3>\n");
    writer.write("<p>AddlRequestTests_SPEC2_11_EventReq_event</p>\n");

    String msg = (String) portletReq.getPortletSession()
            .getAttribute(RESULT_ATTR_PREFIX + "AddlRequestTests_SPEC2_11_EventReq", APPLICATION_SCOPE);
    msg = (msg == null) ? "Not ready. click test case link." : msg;
    writer.write("<p>" + msg + "</p>\n");

}

---

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

/**
 * {@inheritDoc}//w ww  .  ja  v a 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:com.Uploader.java

protected void processRequest(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    if (!ServletFileUpload.isMultipartContent(request)) {
        throw new ServletException("Content type is not multipart/form-data");
    }/*  ww  w .j  a v a2  s . c  o  m*/

    response.setContentType("text/html");
    PrintWriter out = response.getWriter();
    out.write("<html><head></head><body>");
    try {
        List<FileItem> fileItemsList = uploader.parseRequest(request);
        Iterator<FileItem> fileItemsIterator = fileItemsList.iterator();
        while (fileItemsIterator.hasNext()) {
            FileItem fileItem = fileItemsIterator.next();
            System.out.println("FieldName=" + fileItem.getFieldName());
            System.out.println("FileName=" + fileItem.getName());
            System.out.println("ContentType=" + fileItem.getContentType());
            System.out.println("Size in bytes=" + fileItem.getSize());
            File file = new File(request.getServletContext().getAttribute("FILES_DIR") + File.separator
                    + fileItem.getName());
            System.out.println("Absolute Path at server=" + file.getAbsolutePath());
            fileItem.write(file);
            out.write("File " + fileItem.getName() + " uploaded successfully.");
            out.write("<br>");
            out.write("<a href=\"Uploader?fileName=" + fileItem.getName() + "\">Download " + fileItem.getName()
                    + "</a>");
        }
    } catch (FileUploadException e) {
        out.write("Exception in uploading file.");
        e.printStackTrace();
    } catch (Exception e) {
        out.write("Exception in uploading file.");
        e.printStackTrace();
    }
    out.write("</body></html>");
}

---

From source file:com.alibaba.doris.admin.service.main.DorisAdminServlet.java

@SuppressWarnings("unchecked")
private void doResponse(HttpServletRequest request, HttpServletResponse response)
        throws IOException, ServletException {
    String ip = DorisConfigUtil.getIpAddr(request);
    String uuid = UUID.randomUUID().toString();
    long begin = System.currentTimeMillis();
    if (logger.isDebugEnabled()) {
        logger.debug("The request is from :" + ip + ", new assigned id is :" + uuid);
    }//from  w w w .  j  a v a2  s  . c o m
    String resTxt = AdminServiceConstants.ADMIN_SERVICE_ERROR;
    try {

        String actionName = request.getParameter(AdminServiceConstants.ADMIN_SERVICE_ACTION_NAME);

        if (StringUtils.isNotEmpty(actionName)) {
            // get Action
            AdminServiceAction serviceAction = AdminServiceActionFactory.getAdminServiceAction(actionName);
            if (logger.isDebugEnabled()) {
                logger.debug("The action for request\"" + uuid + "\" is " + actionName);
            }
            Map<String, String[]> paramsMap = request.getParameterMap();
            Map<String, String> paras = new HashMap<String, String>();
            for (Map.Entry<String, String[]> entry : paramsMap.entrySet()) {
                String paraKey = entry.getKey();
                String[] values = entry.getValue();
                if (values.length > 0) {
                    String paraValue = entry.getValue()[0];
                    paras.put(paraKey, paraValue);
                }
            }
            // used in some action
            paras.put(AdminServiceConstants.REMOTE_IP, ip);

            resTxt = serviceAction.execute(paras);

        } else {
            // return empty string for request that is not specified action name.
            resTxt = AdminServiceConstants.ADMIN_SERVICE_ERROR;
        }

    } catch (Exception e) {
        resTxt = AdminServiceConstants.ADMIN_SERVICE_ERROR;
        logger.error(e.getMessage(), e);
    }

    response.setCharacterEncoding("UTF-8");
    response.setContentType("text/plain;charset=UTF-8");
    PrintWriter writer = response.getWriter();
    writer.write(resTxt);

    writer.close();

    if (logger.isDebugEnabled()) {
        long end = System.currentTimeMillis();
        logger.debug("The time cost for request\"" + uuid + "\" is " + (end - begin));
    }
}

---

From source file:com.st.qunar.order.web.order.OrderController.java

@RequestMapping(value = "allExport")
public void allExport(@RequestParam String key, HttpServletResponse resp) throws IOException {
    resp.setCharacterEncoding("UTF-8");
    PrintWriter pw = resp.getWriter();
    if (key.equalsIgnoreCase("kxhu")) {
        orderExportService.allExport();//from w  ww  . ja va  2 s.  c  o  m
        pw.write("allexport");
    } else {
        pw.write("error key all export");
    }
    pw.close();
}

---

From source file:com.ctb.prism.report.api.CustomViewerServlet.java

/**
 *
 *///ww w. j  ava  2 s  . c  o  m
public void render(HttpServletRequest request, WebReportContext webReportContext, PrintWriter writer) {

    writer.write(getHeader(request, webReportContext));
    writer.write(getBody(request, webReportContext));
    writer.write(getFooter());
}

---

From source file:com.eternity.common.communication.servlet.SyncDispatch.java

protected void doRequest(HttpServletRequest req, HttpServletResponse resp, InputStream data)
        throws ServletException, IOException {
    String contentType = req.getContentType();
    String charset = req.getCharacterEncoding();
    String acceptsHeader = req.getHeader("Accept");
    Encoder encoder = null;//  w w  w  .j av  a2  s  .c  o  m

    if (charset == null) {
        charset = "UTF-8";
    }

    contentType += ";" + charset;

    Decoder decoder = ProtocolHandlers.getHandlers().getDecoder(contentType);

    if (decoder == null) {
        resp.setStatus(400);
        PrintWriter p = resp.getWriter();
        p.write("Unacceptable Content-Type!");
        log.warn("Received request with invalid content type of: {} (derived: {})", req.getContentType(),
                contentType);
        return;
    }

    if (acceptsHeader != null) {
        String accepts[] = acceptsHeader.split(",");

        for (String accept : accepts) {
            encoder = ProtocolHandlers.getHandlers().getEncoder(accept.trim() + ";" + charset);
            if (encoder != null)
                break;
        }
    } else {
        encoder = ProtocolHandlers.getHandlers().getEncoder(contentType);
    }

    if (encoder == null) {
        resp.setStatus(400);
        PrintWriter p = resp.getWriter();
        p.println("{\"status\": 400, \"errors\": [\"Unacceptable or missing ACCEPT header!\"]}");
        log.warn(
                "Cannot return data in formats: {}  - if you think this is wrong please check character encodings.",
                acceptsHeader);
        return;
    }

    String jsonMessage = req.getParameter(Parameter.jsonMessage.toString());
    Message message = (Message) decoder.decode(ByteBuffer.wrap(jsonMessage.getBytes(charset)), Message.class);
    message.encoding = contentType;
    if (message.subsystemName == null) {
        message.subsystemName = req.getRequestURL().toString().replaceFirst(".*/([^/?]+).*", "$1");
    }
    ByteArrayOutputStream bytes = new ByteArrayOutputStream();
    if (data != null)
        IOUtils.copy(data, bytes);
    message.body = ByteBuffer.wrap(bytes.toByteArray());
    Response result = MessageConsumer.dispatchMessage(message, null, hostName);
    resp.setStatus(result.getStatus());
    resp.getOutputStream().write(result.data.array());
}

---

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