Example usage for java.io Writer flush

List of usage examples for java.io Writer flush

  1. HOME
  2. Java
  3. java
  4. java.io.*
  5. Writer
  6. flush

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:org.tangram.components.spring.SpringViewUtilities.java

public void render(Writer writer, Map<String, Object> model, String view) throws IOException {
    ServletRequest request = (ServletRequest) model.get(Constants.ATTRIBUTE_REQUEST);
    ServletResponse response = (ServletResponse) model.get(Constants.ATTRIBUTE_RESPONSE);

    ViewContext vc = viewContextFactory.createViewContext(model, view);
    ModelAndView mav = SpringViewUtilities.createModelAndView(vc);
    View effectiveView = mav.getView();
    LOG.debug("render() effectiveView={}", effectiveView);
    try {/*ww  w  .  j  a  v a 2s  .c om*/
        if (effectiveView == null) {
            String viewName = mav.getViewName();
            if (viewName == null) {
                viewName = Constants.DEFAULT_VIEW;
            } // if

            effectiveView = viewHandler.resolveView(viewName, mav.getModel(), Locale.getDefault(), request);
        } // if

        if (writer != null) {
            writer.flush();
        } // if
        LOG.debug("render() model={}", mav.getModel());
        LOG.debug("render({}) effectiveView={}", mav.getViewName(), effectiveView);
        effectiveView.render(mav.getModel(), (HttpServletRequest) request, (HttpServletResponse) response);
    } catch (Exception e) {
        LOG.error("render() #" + view, e);
        if (writer != null) {
            writer.write(e.getLocalizedMessage());
        } // if
    } // try/catch
}

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

@RequestMapping("/serverDate.do")
public void serverDate(HttpServletRequest request, HttpServletResponse response) throws Exception {
    String strDate = DateUtil.getTime();

    Writer writer = setResponse(response).getWriter();
    writer.write(strDate);//from w  w w.  ja v  a  2s.  c o  m

    writer.flush();

    log.debug("end - serverDate()");
}

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

@RequestMapping("/getDefaultOffsetDays.do")
public void getDefaultOffsetDays(HttpServletRequest request, HttpServletResponse response) throws Exception {
    String sdateStr = request.getParameter("sdateStr");
    String edateStr = request.getParameter("edateStr");

    int compareMin = (DateUtil.getOffsetMins(edateStr, sdateStr)) / 2;

    String result = DateUtil.getOffsetDateMin(sdateStr, compareMin, "yyyy-MM-dd HH:mm");
    ;//from  w  w w  .j  av  a 2 s.c o m

    Writer writer = setResponse(response).getWriter();
    writer.write(result);

    writer.flush();

    log.debug("end - getDefaultOffsetDays()");
}

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

@RequestMapping("/compareGraphDate.do")
public void compareGraphDate(HttpServletRequest request, HttpServletResponse response) throws Exception {
    String sdateStr = request.getParameter("sdateStr");
    String sliderMin = request.getParameter("sliderMin");

    int compareDate = DateUtil.getCompareDate(sdateStr, sliderMin, "yyyy-MM-dd HH:mm");

    String result = sdateStr;//from   w  ww.j  a  v  a 2 s.  co  m
    if (compareDate == -1) {
        result = sliderMin;
    }

    Writer writer = setResponse(response).getWriter();
    writer.write(result);

    writer.flush();

    log.debug("end - compareGraphDate()");
}

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

@RequestMapping("/setDefaultGraphDate.do")
public void setDefaultGraphDate(HttpServletRequest request, HttpServletResponse response) throws Exception {
    String period = request.getParameter("period");
    String format = "yyyy-MM-dd HH:mm";

    Date stDate = defaultStartDate(period);
    Date edDate = new Date();

    String strStDate = DateUtil.getCurrentDate(stDate, format);
    String strEdDate = DateUtil.getCurrentDate(edDate, format);

    String result = strStDate + "|" + strEdDate;

    Writer writer = setResponse(response).getWriter();
    writer.write(result);/*from w w w . ja  va  2 s . c o  m*/

    writer.flush();

    log.debug("end - setDefaultGraphDate()");
}

From source file:com.bluexml.side.util.libs.velocity.VelocityGenerator.java

/**
 * @param va//from w  w  w  .  java2s  . c o m
 * @param fw
 * @throws Exception
 * @throws IOException
 */
public void generate(VelocityAction va, Writer fw) throws Exception, IOException {
    Assert.isNotNull(va.getContext(), "velocity context must be given");
    Assert.isNotNull(va.getTemplatePath(), "velocity template must be given");

    // get Template
    VelocityContext context = va.getContext();
    String templatePath = va.getTemplatePath();
    InputStream template = null;
    File templateFile = new File(templatePath);
    if (templateFile.exists()) {
        // the template is located on File System
        template = new FileInputStream(templateFile);
    } else {
        // resource may be acceded in classPath
        template = getClass().getResourceAsStream(templatePath);
    }

    Assert.isNotNull(template, "velocity template resource can't be loaded");
    // execute
    Velocity.init();
    String s = IOUtils.toString(template);
    Velocity.evaluate(context, fw, "log", s);

    // close streams
    template.close();
    fw.flush();
    fw.close();
}

From source file:com.bsb.cms.commons.template.freemarker.SpringFreemarkerGenerator.java

@Override
public void createFile(String ftlTemplateFile, Map<String, Object> dataMap, String filePath)
        throws TemplateRuntimeException {
    Writer out = null;
    try {//from   w ww. j  av  a2 s. co  m
        String htmlText = FreeMarkerTemplateUtils
                .processTemplateIntoString(configuration.getTemplate(ftlTemplateFile), dataMap);

        filePath = filePath.replace("\\", "/");
        filePath = filePath.replace("//", "/");
        String savePath = StringUtils.substringBeforeLast(filePath, "/");
        File file = new File(savePath);
        if (!file.exists()) {
            file.mkdirs();
        }

        out = new OutputStreamWriter(new FileOutputStream(filePath), "UTF-8");
        out.write(htmlText);
    } catch (IOException e) {
        log.error(e.getMessage());
        throw new TemplateRuntimeException(e.getMessage());
    } catch (TemplateException e) {
        log.error(e.getMessage());
        throw new TemplateRuntimeException(e.getMessage());
    } finally {
        if (out != null) {
            try {
                out.flush();
                out.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }

}

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

@RequestMapping("/setNowGraphDate.do")
public void setNowGraphDate(HttpServletRequest request, HttpServletResponse response) throws Exception {
    String period = request.getParameter("period");
    String sdateStr = request.getParameter("sdateStr");
    String edateStr = request.getParameter("edateStr");
    String format = "yyyy-MM-dd HH:mm";

    int diffMins = DateUtil.getOffsetMins(edateStr, sdateStr) * -1;
    Date stDate = DateUtil.plusMinute(diffMins);
    Date edDate = new Date();
    Date fullStDate = defaultStartDate(period);

    String strStDate = DateUtil.getCurrentDate(stDate, format);
    String strEdDate = DateUtil.getCurrentDate(edDate, format);
    String strFullStDate = DateUtil.getCurrentDate(fullStDate, format);

    String result = strFullStDate + "|" + strStDate + "|" + strEdDate;

    Writer writer = setResponse(response).getWriter();
    writer.write(result);//from   ww  w  .j  a v a  2 s .  c o  m

    writer.flush();

    log.debug("end - setNowGraphDate()");
}

From source file:com.tek42.perforce.parse.AbstractPerforceTemplate.java

/**
 * Handles the IO for opening a process, writing to it, flushing, closing, and then handling any errors.
 * /*from w  w  w  .ja  v a2s.  co m*/
 * @param object   The perforce object to save
 * @param builder   The builder responsible for saving the object
 * @throws PerforceException   If there is any errors thrown from perforce
 */
@SuppressWarnings("unchecked")
protected void saveToPerforce(Object object, Builder builder) throws PerforceException {
    boolean loop = false;
    boolean attemptLogin = true;

    //StringBuilder response = new StringBuilder();
    do {
        int mesgIndex = -1;//, count = 0;
        Executor p4 = depot.getExecFactory().newExecutor();
        String debugCmd = "";
        try {
            String cmds[] = getExtraParams(builder.getSaveCmd(getP4Exe(), object));

            // for exception reporting...
            for (String cm : cmds) {
                debugCmd += cm + " ";
            }

            // back to our regularly scheduled programming...
            p4.exec(cmds);
            BufferedReader reader = p4.getReader();

            // Maintain a log of what was sent to p4 on std input
            final StringBuilder log = new StringBuilder();

            // Conditional use of std input for saving the perforce entity
            if (builder.requiresStandardInput()) {
                BufferedWriter writer = p4.getWriter();
                Writer fwriter = new FilterWriter(writer) {
                    public void write(String str) throws IOException {
                        log.append(str);
                        out.write(str);
                    }
                };
                builder.save(object, fwriter);
                fwriter.flush();
                fwriter.close();
            }

            String line;
            StringBuilder error = new StringBuilder();
            StringBuilder info = new StringBuilder();
            int exitCode = 0;

            while ((line = reader.readLine()) != null) {

                // Check for authentication errors...
                if (mesgIndex == -1)
                    mesgIndex = checkAuthnErrors(line);

                if (mesgIndex != -1) {
                    error.append(line);

                } else if (line.startsWith("error")) {
                    if (!line.trim().equals("") && (line.indexOf("up-to-date") < 0)
                            && (line.indexOf("no file(s) to resolve") < 0)) {
                        error.append(line.substring(6));
                    }

                } else if (line.startsWith("exit")) {
                    exitCode = Integer.parseInt(line.substring(line.indexOf(" ") + 1, line.length()));

                } else {
                    if (line.indexOf(":") > -1)
                        info.append(line.substring(line.indexOf(":")));
                    else
                        info.append(line);
                }
            }
            reader.close();

            loop = false;
            // If we failed to execute because of an authentication issue, try a p4 login.
            if (mesgIndex == 1 || mesgIndex == 2 || mesgIndex == 6 || mesgIndex == 9) {
                if (attemptLogin) {
                    // password is unset means that perforce isn't using the environment var P4PASSWD
                    // Instead it is using tickets. We must attempt to login via p4 login, then
                    // retry this cmd.
                    p4.close();
                    trustIfSSL();
                    login();
                    loop = true;
                    attemptLogin = false;
                    mesgIndex = -1; // cancel this error for now
                    continue;
                }
            }

            if (mesgIndex != -1 || exitCode != 0) {
                if (error.length() != 0) {
                    error.append("\nFor Command: ").append(debugCmd);
                    if (log.length() > 0) {
                        error.append("\nWith Data:\n===================\n");
                        error.append(log);
                        error.append("\n===================\n");
                    }
                    throw new PerforceException(error.toString());
                }
                throw new PerforceException(info.toString());
            }

        } catch (IOException e) {
            throw new PerforceException("Failed to open connection to perforce", e);
        } finally {
            try {
                p4.getWriter().close();
            } catch (IOException e) {
                //failed to close pipe, but we can't do much about that
            }
            try {
                p4.getReader().close();
            } catch (IOException e) {
                //failed to close pipe, but we can't do much about that
            }
            p4.close();
        }
    } while (loop);
}