Example usage for java.io Writer 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:com.xqdev.jam.MLJAM.java

private static void sendServerProblemResponse(HttpServletResponse res, String s) throws IOException {
    // Commenting out the status code because we want the client to eval the error() call
    //res.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
    res.setContentType("x-marklogic/xquery; charset=UTF-8");
    if (s != null && s.length() > 4096) { // Cap super long errors
        s = s.substring(0, 2048) + " ...[trimmed]... " + s.substring(s.length() - 2048);
    }/*from  w  w w  .j  ava  2  s.  c o m*/
    Writer writer = res.getWriter();
    writer.write("error('" + escapeSingleQuotes(s) + "')");
    writer.flush();
}

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From source file:com.serotonin.bacnet4j.util.sero.StreamUtils.java

public static void transfer(Reader reader, Writer writer, long limit) throws IOException {
    char[] buf = new char[1024];
    int readcount;
    long total = 0;
    while ((readcount = reader.read(buf)) != -1) {
        if (limit != -1) {
            if (total + readcount > limit)
                readcount = (int) (limit - total);
        }/*from   w w w.ja  va 2s  .  c  o  m*/

        if (readcount > 0)
            writer.write(buf, 0, readcount);

        total += readcount;
        if (limit != -1 && total >= limit)
            break;
    }
    writer.flush();
}

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From source file:net.cloudkit.enterprises.infrastructure.utilities.FreemarkerHelper.java

public static String process(String templateName, Map<String, ?> model, String target) {
    String result = null;/*w ww .  j  av  a 2  s . c om*/

    FileOutputStream fileOutputStream = null;
    OutputStreamWriter outputStreamWriter = null;
    Writer writer = null;
    File file = new File(target);
    if (!file.exists()) {
        if (file.isDirectory()) {
            file.mkdirs();
        } else {
            file.mkdir();
        }
    }
    try {
        fileOutputStream = new FileOutputStream(file);
        outputStreamWriter = new OutputStreamWriter(fileOutputStream, "UTF-8");
        // new OutputStreamWriter(new FileOutputStream(file), "UTF-8")
        writer = new BufferedWriter(outputStreamWriter);
        result = process(templateName, model, writer);
        writer.flush();
    } catch (IOException e) {
        e.printStackTrace();
    } finally {

        IOUtils.closeQuietly(writer);
        IOUtils.closeQuietly(outputStreamWriter);
        IOUtils.closeQuietly(fileOutputStream);

        // try {
        //     writer.close();
        // } catch (IOException e) {
        //     e.printStackTrace();
        // }
    }
    return result;
}

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From source file:net.sf.jasperreports.engine.fonts.SimpleFontExtensionHelper.java

public static void writeFontExtensionsXml(OutputStream outputStream, FontExtensionsContainer extensions)
        throws JRException {
    Writer out = null;
    try {// ww w. j a v a2 s  .  c  om
        out = new OutputStreamWriter(outputStream, DEFAULT_ENCODING);
        writeFontExtensions(out, extensions);
        out.flush();
    } catch (Exception e) {
        throw new JRException(EXCEPTION_MESSAGE_KEY_OUTPUT_STREAM_WRITER_ERROR, null, e);
    }
}

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From source file:com.nary.io.FileUtils.java

public static void writeFile(File outFile, String content) throws IOException {
    Writer outWriter = null;
    try {//from w  ww. ja v a2 s .  com
        outWriter = cfEngine.thisPlatform.getFileIO().getFileWriter(outFile);
        outWriter.write(content);
        outWriter.flush();
    } finally {
        try {
            if (outWriter != null)
                outWriter.close();
        } catch (Exception ignoreCloseException) {
        }
    }
}

---

From source file:Main.java

/**
 * Write the entire contents of the supplied string to the given writer. This method always flushes and closes the writer when
 * finished.//from  www  . j  av a  2 s .  co m
 * 
 * @param input the content to write to the writer; may be null
 * @param writer the writer to which the content is to be written
 * @throws IOException
 * @throws IllegalArgumentException if the writer is null
 */
public static void write(Reader input, Writer writer) throws IOException {
    boolean error = false;
    try {
        if (input != null) {
            char[] buffer = new char[1024];
            try {
                int numRead = 0;
                while ((numRead = input.read(buffer)) > -1) {
                    writer.write(buffer, 0, numRead);
                }
            } finally {
                input.close();
            }
        }
    } catch (IOException e) {
        error = true; // this error should be thrown, even if there is an error flushing/closing writer
        throw e;
    } catch (RuntimeException e) {
        error = true; // this error should be thrown, even if there is an error flushing/closing writer
        throw e;
    } finally {
        try {
            writer.flush();
        } catch (IOException e) {
            if (!error)
                throw e;
        } finally {
            try {
                writer.close();
            } catch (IOException e) {
                if (!error)
                    throw e;
            }
        }
    }
}

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From source file:edu.stanford.epad.common.util.EPADFileUtils.java

/**
 * True if the write succeed otherwise it is false.
 * /*from   w  w w.  j  a  v  a 2s. c om*/
 * @param file - File including full directory path to write.
 * @param contents - String complete contents of file.
 * @return boolean
 */
public static boolean write(File file, String contents) {
    try {
        Writer out = new BufferedWriter(new FileWriter(file));
        out.write(contents);
        out.flush();
        out.close();
        return true;
    } catch (Exception e) {
        log.warning("Failed to write file: " + file.getAbsolutePath(), e);
        return false;
    }
}

---

From source file:com.mail163.email.mail.transport.Rfc822Output.java

/**
 * Write text (either as main body or inside a multipart), preceded by appropriate headers.
 *
 * Note this always uses base64, even when not required.  Slightly less efficient for
 * US-ASCII text, but handles all formats even when non-ascii chars are involved.  A small
 * optimization might be to prescan the string for safety and send raw if possible.
 *
 * @param writer the output writer//from   w ww  .  jav a2s  .  c o m
 * @param out the output stream inside the writer (used for byte[] access)
 * @param text The original text of the message
 */
private static void writeTextWithHeaders(Writer writer, OutputStream out, String text) throws IOException {
    Logs.v(Logs.LOG_MessageView, "isContentType >>>>>>>>> :" + isContentType);

    //=============2012.3.4===========
    if (isContentType) {//Content-Type
        writeHeader(writer, "Content-Type", "text/html; charset=utf-8");
    } else {
        writeHeader(writer, "Content-Type", "text/plain; charset=utf-8");
    }

    //=============2012.3.4===========
    writeHeader(writer, "Content-Transfer-Encoding", "base64");
    writer.write("\r\n");
    byte[] bytes = text.getBytes("UTF-8");
    writer.flush();
    out.write(Base64.encode(bytes, Base64.CRLF));
}

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From source file:com.bristle.javalib.io.FileUtil.java

/**************************************************************************
* Copy the contents of the specified binary file to the specified Writer.
*@param  strFilename       Name of the file to copy.
*@param  writer            Writer to write to.
*@throws FileNotFoundException/*from   w  w  w  .j  a v  a 2 s.c  o m*/
*                           When binary file not found.
*@throws IOException        When an I/O error occurs reading the file or 
*                           writing it to the Writer.
**************************************************************************/
public static void copyBinaryFileToWriter(String strFilename, Writer writer)
        throws FileNotFoundException, IOException {
    RandomAccessFile file = new RandomAccessFile(strFilename, "r");
    try {
        int i;
        while (-1 != (i = file.read())) {
            writer.write((char) i);
        }
        writer.flush();
    } finally {
        file.close();
    }
}

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From source file:Log.java

/**
 * Writes all currently logged messages to this stream if there was no
 * stream set previously, and sets the stream to write future log
 * messages to.//from   www .  j av a 2  s  .  co  m
 * @param stream The writer
 * @since jEdit 3.2pre4
 */
public static void setLogWriter(Writer stream) {
    if (Log.stream == null && stream != null) {
        try {
            if (wrap) {
                for (int i = logLineCount; i < log.length; i++) {
                    stream.write(log[i]);
                    stream.write(lineSep);
                }
            }
            for (int i = 0; i < logLineCount; i++) {
                stream.write(log[i]);
                stream.write(lineSep);
            }

            stream.flush();
        } catch (Exception e) {
            // do nothing, who cares
        }
    }

    Log.stream = stream;
}

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