Example usage for java.io PrintWriter flush

List of usage examples for java.io PrintWriter flush

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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:mobisocial.musubi.ui.util.FeedHTML.java

public static void writeHeader(FileOutputStream fo, FeedManager feedManager, MFeed feed) {
    PrintWriter w = new PrintWriter(fo);
    w.print("<html>");
    w.print("<head>");
    w.print("<title>");
    w.print(StringEscapeUtils.escapeHtml4(UiUtil.getFeedNameFromMembersList(feedManager, feed)));
    w.print("</title>");
    w.print("</head>");
    w.print("<body>");
    w.print("<h1>");
    w.print(StringEscapeUtils.escapeHtml4(UiUtil.getFeedNameFromMembersList(feedManager, feed)));
    w.print("</h1>");
    w.flush();
}

From source file:Main.java

/**
 * Save the contents of a table to a TSV file
 * Note:  uses toString() on the header cells as well as the data cells.  If you've got funny columns,
 * expect funny behavior/*  w ww .j  a  va  2  s  .  c o m*/
 * @param table
 * @param outFile
 * @throws IOException
 */
public static void SaveTableAsTSV(JTable table, File outFile) throws IOException {
    PrintWriter outPW = new PrintWriter(outFile);

    TableModel tableModel = table.getModel();
    TableColumnModel columnModel = table.getColumnModel();

    StringBuffer headerLineBuf = new StringBuffer();
    for (int i = 0; i < columnModel.getColumnCount(); i++) {
        if (i > 0)
            headerLineBuf.append("\t");
        headerLineBuf.append(columnModel.getColumn(i).getHeaderValue().toString());
    }
    outPW.println(headerLineBuf.toString());
    outPW.flush();
    for (int i = 0; i < tableModel.getRowCount(); i++) {
        StringBuffer lineBuf = new StringBuffer();
        for (int j = 0; j < tableModel.getColumnCount(); j++) {
            if (j > 0)
                lineBuf.append("\t");
            lineBuf.append(tableModel.getValueAt(i, j).toString());
        }
        outPW.println(lineBuf.toString());
        outPW.flush();
    }
    outPW.close();
}

From source file:com.zimbra.common.localconfig.LocalConfigUpgrade.java

static void usage(String error) {
    if (error != null)
        System.out.println("Error: " + error);
    Options opts = getAllOptions();//from  www. ja v  a2  s.c o  m
    PrintWriter pw = new PrintWriter(System.out, true);
    HelpFormatter formatter = new HelpFormatter();
    formatter.printHelp(pw, formatter.getWidth(), getCommandUsage(), null, opts, formatter.getLeftPadding(),
            formatter.getDescPadding(), null);
    pw.flush();
    if (error != null) {
        System.exit(1);
    } else {
        System.exit(0);
    }
}

From source file:Main.java

/**
 * Print a string representation of the current stack state of all the active threads.
 *//*from ww  w.  ja  v  a2  s  . co m*/
public static void printStackTraces(PrintWriter writer) {
    Map<Thread, StackTraceElement[]> map;
    try {
        map = Thread.getAllStackTraces();
    } catch (Throwable e) {
        writer.println("Failed to obtain stack traces: " + e);
        return;
    }
    if (map == null) {
        writer.println("No stack traces available");
        return;
    }
    for (Entry<Thread, StackTraceElement[]> entry : map.entrySet())
        printStackTrace(writer, entry.getKey(), entry.getValue());
    writer.flush();
}

From source file:eu.pawelsz.apache.beam.coders.TupleCoderGenerator.java

private static void createTupleClasses(File root) throws FileNotFoundException {
    File dir = getPackage(root, PACKAGE);

    PrintWriter writer = null;
    for (int i = FIRST; i <= LAST; i++) {
        //    for (int i = 4; i <= 4; i++) {
        File tupleFile = new File(dir, "Tuple" + i + "Coder.java");
        writer = new PrintWriter(tupleFile);
        writeTupleCoderClass(writer, i);
        writer.flush();
        writer.close();//from   w  w w .  j ava 2  s  .co m
    }

    File f = new File(dir, "RegisterTupleCoders.java");
    writer = new PrintWriter(f);
    writeRegistration(writer);
    writer.flush();
    writer.close();
}

From source file:eu.amidst.huginlink.examples.demos.ParallelTANDemo.java

/**
 * Writes "help" to the provided OutputStream.
 * @param options an Options object/*from   www . ja v a2  s .  co m*/
 * @param printedRowWidth an integer
 * @param header a String
 * @param footer a String
 * @param spacesBeforeOption an integer
 * @param spacesBeforeOptionDescription an integer
 * @param displayUsage a boolean
 * @param out an OutputStream object
 */
public static void printHelp(final Options options, final int printedRowWidth, final String header,
        final String footer, final int spacesBeforeOption, final int spacesBeforeOptionDescription,
        final boolean displayUsage, final OutputStream out) {
    final String commandLineSyntax = "run.sh eu.amidst.examples.ParallelTANDemo";
    final PrintWriter writer = new PrintWriter(out);
    final HelpFormatter helpFormatter = new HelpFormatter();
    helpFormatter.printHelp(writer, printedRowWidth, commandLineSyntax, header, options, spacesBeforeOption,
            spacesBeforeOptionDescription, footer, displayUsage);
    writer.flush();
}

From source file:com.iana.boesc.utility.BOESCUtil.java

public static String exceptionToString(Exception e) {
    StringWriter writer = new StringWriter();
    PrintWriter printWriter = new PrintWriter(writer);
    e.printStackTrace(printWriter);/*from   w ww .  ja va2 s  .co  m*/
    printWriter.flush();
    String stackTrace = writer.toString();
    return stackTrace;
}

From source file:de.fu_berlin.inf.dpp.netbeans.feedback.FileSubmitter.java

/**
 * Tries to upload the given file to the given HTTP server (via POST
 * method)./*from ww  w . ja  v  a2s  .co  m*/
 * 
 * @param file
 *            the file to upload
 * @param url
 *            the URL of the server, that is supposed to handle the file
 * @param monitor
 *            a monitor to report progress to
 * @throws IOException
 *             if an I/O error occurs
 * 
 */

public static void uploadFile(final File file, final String url, IProgressMonitor monitor) throws IOException {

    final String CRLF = "\r\n";
    final String doubleDash = "--";
    final String boundary = generateBoundary();

    HttpURLConnection connection = null;
    OutputStream urlConnectionOut = null;
    FileInputStream fileIn = null;

    if (monitor == null)
        monitor = new NullProgressMonitor();

    int contentLength = (int) file.length();

    if (contentLength == 0) {
        log.warn("file size of file " + file.getAbsolutePath() + " is 0 or the file does not exist");
        return;
    }

    monitor.beginTask("Uploading file " + file.getName(), contentLength);

    try {
        URL connectionURL = new URL(url);

        if (!"http".equals(connectionURL.getProtocol()))
            throw new IOException("only HTTP protocol is supported");

        connection = (HttpURLConnection) connectionURL.openConnection();
        connection.setUseCaches(false);
        connection.setDoInput(true);
        connection.setDoOutput(true);
        connection.setRequestMethod("POST");
        connection.setReadTimeout(TIMEOUT);
        connection.setConnectTimeout(TIMEOUT);

        connection.setRequestProperty("Content-Type", "multipart/form-data; boundary=" + boundary);

        String contentDispositionLine = "Content-Disposition: form-data; name=\"" + file.getName()
                + "\"; filename=\"" + file.getName() + "\"" + CRLF;

        String contentTypeLine = "Content-Type: application/octet-stream; charset=ISO-8859-1" + CRLF;

        String contentTransferEncoding = "Content-Transfer-Encoding: binary" + CRLF;

        contentLength += 2 * boundary.length() + contentDispositionLine.length() + contentTypeLine.length()
                + contentTransferEncoding.length() + 4 * CRLF.length() + 3 * doubleDash.length();

        connection.setFixedLengthStreamingMode(contentLength);

        connection.connect();

        urlConnectionOut = connection.getOutputStream();

        PrintWriter writer = new PrintWriter(new OutputStreamWriter(urlConnectionOut, "US-ASCII"), true);

        writer.append(doubleDash).append(boundary).append(CRLF);
        writer.append(contentDispositionLine);
        writer.append(contentTypeLine);
        writer.append(contentTransferEncoding);
        writer.append(CRLF);
        writer.flush();

        fileIn = new FileInputStream(file);
        byte[] buffer = new byte[8192];

        for (int read = 0; (read = fileIn.read(buffer)) > 0;) {
            if (monitor.isCanceled())
                return;

            urlConnectionOut.write(buffer, 0, read);
            monitor.worked(read);
        }

        urlConnectionOut.flush();

        writer.append(CRLF);
        writer.append(doubleDash).append(boundary).append(doubleDash).append(CRLF);
        writer.close();

        if (connection.getResponseCode() == HttpURLConnection.HTTP_OK) {
            log.debug("uploaded file " + file.getAbsolutePath() + " to " + connectionURL.getHost());
            return;
        }

        throw new IOException("failed to upload file " + file.getAbsolutePath() + connectionURL.getHost() + " ["
                + connection.getResponseMessage() + "]");
    } finally {
        IOUtils.closeQuietly(fileIn);
        IOUtils.closeQuietly(urlConnectionOut);

        if (connection != null)
            connection.disconnect();

        monitor.done();
    }
}

From source file:ai.grakn.migration.base.MigrationCLI.java

private static void printHelpMessage(MigrationOptions options) {
    HelpFormatter helpFormatter = new HelpFormatter();
    OutputStreamWriter outputStreamWriter = new OutputStreamWriter(System.out, Charset.defaultCharset());
    PrintWriter printWriter = new PrintWriter(new BufferedWriter(outputStreamWriter));
    int width = helpFormatter.getWidth();
    int leftPadding = helpFormatter.getLeftPadding();
    int descPadding = helpFormatter.getDescPadding();
    helpFormatter.printHelp(printWriter, width, "migration.sh", null, options.getOptions(), leftPadding,
            descPadding, null);//  w  ww  .j  av  a  2  s.c o  m
    printWriter.flush();
}

From source file:com.example.admin.processingboilerplate.JsonIO.java

public static JSONObject pushJson(String requestURL, String jsonDataName, JSONObject json) {
    try {/*from   w ww . jav a 2s  .c  o  m*/
        String boundary = "===" + System.currentTimeMillis() + "===";

        URL url = new URL(requestURL);
        //HttpURLConnection con = (HttpURLConnection) url.openConnection();
        URLConnection uc = (url).openConnection();
        HttpURLConnection con = requestURL.startsWith("https") ? (HttpsURLConnection) uc
                : (HttpURLConnection) uc;
        con.setUseCaches(false);
        con.setDoOutput(true);
        con.setDoInput(true);
        con.setRequestProperty("Content-Type", "multipart/form-data; boundary=" + boundary);
        con.setRequestProperty("User-Agent", USER_AGENT);
        OutputStream outputStream = con.getOutputStream();
        PrintWriter writer = new PrintWriter(new OutputStreamWriter(outputStream, charset), true);

        writer.append("--" + boundary).append(CRLF);
        writer.append("Content-Disposition: form-data; name=\"" + "data" + "\"").append(CRLF);
        writer.append("Content-Type: text/plain; charset=" + charset).append(CRLF);
        writer.append(CRLF);
        writer.append(json.toString()).append(CRLF);
        writer.flush();

        writer.append(CRLF).flush();
        writer.append("--" + boundary + "--").append(CRLF);
        writer.close();
        int status = con.getResponseCode();
        if (status == HttpURLConnection.HTTP_OK) {
            StringBuilder sb = load(con);
            try {
                json = new JSONObject(sb.toString());
                return json;
            } catch (JSONException e) {
                Log.e("loadJson", e.getMessage(), e);
                e.printStackTrace();
                return new JSONObject();
            }
        } else {
            throw new IOException("Server returned non-OK status: " + status);
        }
    } catch (IOException e) {
        e.printStackTrace();
    }
    return new JSONObject();
}