Example usage for java.io Writer flush

List of usage examples for java.io Writer flush

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Introduction

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

Prototype

public abstract void flush() throws IOException;

Source Link

Document

Flushes the stream.

Usage

From source file:business.services.PaNumberService.java

public HttpEntity<InputStreamResource> writeAllPaNumbers(List<LabRequestRepresentation> labRequests)
        throws IOException {
    ByteArrayOutputStream out = new ByteArrayOutputStream();
    Writer writer = new OutputStreamWriter(out, PA_NUMBERS_DOWNLOAD_CHARACTER_ENCODING);
    CSVWriter csvwriter = new CSVWriter(writer, ',', '"');
    csvwriter.writeNext(PA_NUMBERS_HEADER);
    for (LabRequestRepresentation labRequest : labRequests) {
        String labRequestCode = labRequest.getLabRequestCode();
        String status = labRequest.getStatus().toString();
        String labName = labRequest.getLab().getName();
        String requesterName = labRequest.getRequesterName();
        String requesterEmail = labRequest.getRequesterEmail();
        String requesterTelephone = labRequest.getRequesterTelephone();
        String labRequestSentDate = labRequest.getSendDate() == null ? "" : labRequest.getSendDate().toString();
        for (PathologyRepresentation item : labRequest.getPathologyList()) {
            csvwriter.writeNext(new String[] { labRequestCode, status, item.getPaNumber(), labName,
                    requesterName, requesterEmail, requesterTelephone, labRequestSentDate });
        }/*from w ww. j  a v  a  2  s  .  c  o m*/
    }
    csvwriter.flush();
    writer.flush();
    out.flush();
    InputStream in = new ByteArrayInputStream(out.toByteArray());
    csvwriter.close();
    writer.close();
    out.close();
    InputStreamResource resource = new InputStreamResource(in);
    HttpHeaders headers = new HttpHeaders();
    headers.setContentType(MediaType.valueOf("text/csv;charset=" + PA_NUMBERS_DOWNLOAD_CHARACTER_ENCODING));
    String filename = "pa_numbers.csv";
    headers.set("Content-Disposition", "attachment; filename=" + filename);
    HttpEntity<InputStreamResource> response = new HttpEntity<InputStreamResource>(resource, headers);
    return response;
}

From source file:net.cit.tetrad.resource.GraphResource.java

@RequestMapping("/pieGraphData.do")
public void pieGraphData(HttpServletRequest request, HttpServletResponse response) {
    int deviceCode = Integer.parseInt(request.getParameter("deviceCode"));
    Query query = new Query(Criteria.where("deviceCode").is(deviceCode));
    ServerStatus serverStatus = (ServerStatus) monadService.getFindOne(query, ServerStatus.class,
            ColumnConstent.COLL_DASHBOARD);

    try {/*ww  w  .j a v a2s . c  o m*/
        PersonJson result = new PersonJson();

        List<Object> arrTotInfo = new ArrayList<Object>();
        String[] lineColor = { "#d3ee36", "#a7ee70", "#58dccd", "#36abee", "#476cee", "#a244ea", "#e33fc7",
                "#ee4339", "#FF7F50", "#eed236" };
        int colorCnt = 0;
        for (DbStatus dbStatus : serverStatus.getDbInfos()) {
            List<Object> arrInfo = new ArrayList<Object>();
            Map hm = new HashMap();
            hm.put("label", dbStatus.getDb());
            hm.put("data", dbStatus.getDataSize());
            hm.put("color", lineColor[colorCnt % 10]);
            arrTotInfo.add(hm);
            colorCnt++;
        }
        result.setAaData(arrTotInfo);
        JSONObject jsonObject = JSONObject.fromObject(result);

        response.setContentType("text/html;charset=utf-8");
        response.setCharacterEncoding("UTF-8");

        response.setContentType("text/html");
        response.setHeader("Cache-Control", "no-cache");

        Writer writer = response.getWriter();
        writer.write(jsonObject.toString());

        writer.flush();

    } catch (Exception e) {
        log.error(e, e);
    }
}

From source file:be.wimsymons.intellij.polopolyimport.PPImporter.java

private void postData(final String name, final Reader reader, final String contentType,
        final String extraParams) throws IOException {
    Writer writer = null;
    LOGGER.info("Doing HTTP POST for " + name);
    try {//from  w w w  . ja va 2  s  .c o  m
        URL httpURL = buildURL(target, extraParams);

        HttpURLConnection httpConnection = (HttpURLConnection) httpURL.openConnection();
        httpConnection.setDoInput(true);
        httpConnection.setDoOutput(true);
        httpConnection.setUseCaches(false);
        httpConnection.setRequestMethod("PUT");
        httpConnection.setRequestProperty("Content-Type", contentType);
        httpConnection.setConnectTimeout(2000);
        httpConnection.setReadTimeout(60000);
        httpConnection.connect();

        if (contentType.contains("UTF-8")) {
            copyAndFlush(reader, httpConnection.getOutputStream());
        } else {
            writer = new OutputStreamWriter(httpConnection.getOutputStream());
            CharStreams.copy(reader, writer);
            writer.flush();
        }

        int responseCode = httpConnection.getResponseCode();
        String responseMessage = httpConnection.getResponseMessage();
        if (responseCode < 200 || responseCode >= 300) {
            failureCount++;
            PPImportPlugin.doNotify("Import of " + name + " failed: " + responseCode + " - " + responseMessage
                    + "\nCheck the server log for more details.", NotificationType.ERROR);
        } else {
            successCount++;
        }
    } catch (IOException e) {
        failureCount++;
        PPImportPlugin.doNotify("Import of " + name + " failed: " + e.getMessage(), NotificationType.ERROR);
    } finally {
        Closeables.close(reader, true);
        Closeables.close(writer, true);
    }
}

From source file:com.epam.parso.impl.CSVDataWriterImpl.java

/**
 * The method to export a row from sas7bdat file (stored as an object of the {@link SasFileReaderImpl} class)
 * using {@link CSVDataWriterImpl#writer}.
 *
 * @param columns the {@link Column} class variables list that stores columns description from the sas7bdat file.
 * @param row     the Objects arrays that stores data from the sas7bdat file.
 * @throws java.io.IOException appears if the output into writer is impossible.
 *///from   www.j  a va  2  s  .c o m
@Override
public void writeRow(List<Column> columns, Object[] row) throws IOException {
    if (row == null) {
        return;
    }

    Writer writer = getWriter();
    for (int currentColumnIndex = 0; currentColumnIndex < columns.size(); currentColumnIndex++) {
        if (row[currentColumnIndex] != null) {
            if (row[currentColumnIndex].getClass().getName()
                    .compareTo((new byte[0]).getClass().getName()) == 0) {
                checkSurroundByQuotesAndWrite(writer, getDelimiter(),
                        new String((byte[]) row[currentColumnIndex], ENCODING));
            } else {
                processEntry(columns, row, currentColumnIndex);
            }
        } else {
            checkSurroundByQuotesAndWrite(writer, getDelimiter(), "");
        }
        if (currentColumnIndex != columns.size() - 1) {
            writer.write(getDelimiter());
        }
    }

    writer.write(getEndline());
    writer.flush();
}

From source file:edu.ku.brc.af.ui.forms.ViewSetMgr.java

/**
 * Writes the viewset registry file./* www . j ava 2  s  .co m*/
 * @throws IOException on error
 */
public void save() throws IOException {
    Writer output = null;
    try {
        output = new BufferedWriter(
                new FileWriter(contextDir.getAbsoluteFile() + File.separator + REGISTRY_FILENAME));
        output.write("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n");
        output.write("<files>\n");
        for (Enumeration<ViewSetIFace> e = viewsHash.elements(); e.hasMoreElements();) {
            ViewSetIFace viewSet = e.nextElement();
            output.write("      <file type=\"" + viewSet.getType().toString() + "\" name=\"" + viewSet.getName()
                    + "\" title=\"" + viewSet.getTitle() + "\" file=\"" + viewSet.getFileName() + "\"/>\n");

        }
        output.write("</files>\n");

    } finally {
        // flush and close both "output" and its underlying FileWriter
        if (output != null) {
            output.flush();
            output.close();
        }
    }

}

From source file:net.cit.tetrad.resource.GraphResource.java

@RequestMapping("/setDbLst.do")
public void setDbLst(HttpServletRequest request, HttpServletResponse response) {
    int deviceCode = Integer.parseInt(request.getParameter("deviceCode"));
    try {/*from   w ww  . j  av  a 2  s.  c o  m*/
        PersonJson result = new PersonJson();
        List<DbStatus> dbStatus = subDao.dbLstNan(deviceCode);

        result.setsEcho(Integer.parseInt(Utility.isNullNumber(request.getParameter("sEcho"))));
        result.setAaData(dbStatus);

        JSONObject jsonObject = JSONObject.fromObject(result);

        Writer writer = setResponse(response).getWriter();
        writer.write(jsonObject.toString());

        log.debug(jsonObject.toString());
        writer.flush();

    } catch (Exception e) {
        log.error(e, e);
    }
}

From source file:net.cit.tetrad.resource.GraphResource.java

@RequestMapping("/subDbGraph.do")
public void subDbGraph(HttpServletRequest request, HttpServletResponse response, CommonDto dto) {
    log.debug("start - subDbGraph.do");
    try {//from ww w .  ja va  2  s . c o  m
        PersonJson result = new PersonJson();

        List<String> fileName = setDbGraphInfo(dto);

        result.setsEcho(Integer.parseInt(Utility.isNullNumber(request.getParameter("sEcho"))));
        result.setAaData(fileName);

        JSONObject jsonObject = JSONObject.fromObject(result);

        Writer writer = setResponse(response).getWriter();
        writer.write(jsonObject.toString());

        log.debug(jsonObject.toString());
        writer.flush();

    } catch (Exception e) {
        log.error(e, e);
    }
    log.debug("end - subDbGraph.do");
}

From source file:net.cit.tetrad.resource.GraphResource.java

@RequestMapping("/soloLockGraph.do")
public void soloLockGraph(HttpServletRequest request, HttpServletResponse response, CommonDto dto) {
    log.debug("start - soloLockGraph");
    try {//from  w w  w . j av a  2 s  .  com
        PersonJson result = new PersonJson();

        List<String> fileName = new ArrayList<String>();
        fileName = setSoloLockGraphInfo(dto);

        result.setsEcho(Integer.parseInt(Utility.isNullNumber(request.getParameter("sEcho"))));
        result.setAaData(fileName);

        JSONObject jsonObject = JSONObject.fromObject(result);

        Writer writer = setResponse(response).getWriter();
        writer.write(jsonObject.toString());

        log.debug(jsonObject.toString());
        writer.flush();

    } catch (Exception e) {
        log.error(e, e);
    }
    log.debug("end - soloLockGraph");
}

From source file:net.cit.tetrad.resource.GraphResource.java

@RequestMapping("/dbGraph.do")
public void dbGraph(HttpServletRequest request, HttpServletResponse response, CommonDto dto) {
    log.debug("start - dbGraph");
    try {/*from w ww  . ja v a 2  s.  c o  m*/
        PersonJson result = new PersonJson();
        GraphDefInfo gdInfo = null;

        List<String> fileName = new ArrayList<String>();
        gdInfo = subDao.getDbGraphDefInfoForSubGraph(dto);
        fileName.add(rrdService.detailedGraphPerRrdDb(gdInfo));

        result.setsEcho(Integer.parseInt(Utility.isNullNumber(request.getParameter("sEcho"))));
        result.setAaData(fileName);

        JSONObject jsonObject = JSONObject.fromObject(result);

        Writer writer = setResponse(response).getWriter();
        writer.write(jsonObject.toString());

        log.debug(jsonObject.toString());
        writer.flush();

    } catch (Exception e) {
        log.error(e, e);
    }
    log.debug("end - dbGraph");
}

From source file:helma.servlet.AbstractServletClient.java

void sendError(HttpServletResponse response, int code, String message) throws IOException {
    if (response.isCommitted()) {
        return;/*from  w ww.j  a va  2s.  c  o m*/
    }
    response.reset();
    response.setStatus(code);
    response.setContentType("text/html");

    if (!"true".equalsIgnoreCase(getApplication().getProperty("suppressErrorPage"))) {
        Writer writer = response.getWriter();

        writer.write("<html><body><h3>");
        writer.write("Error in application ");
        try {
            writer.write(getApplication().getName());
        } catch (Exception besafe) {
            // ignore
        }
        writer.write("</h3>");
        writer.write(message);
        writer.write("</body></html>");
        writer.flush();
    }
}