Example usage for java.io FileWriter FileWriter

Introduction

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

Prototype

public FileWriter(FileDescriptor fd) 

Source Link

Document

Constructs a FileWriter given a file descriptor, using the platform's java.nio.charset.Charset#defaultCharset() default charset .

Usage

From source file:org.jfree.chart.demo.Display.java

/**
 * Launch the application.//from   w  ww. j  a v a 2s. c o m
 */
public static void main(String[] args) throws IOException {

    EventQueue.invokeLater(new Runnable() {
        public void run() {
            try {
                Display window = new Display();
                window.frame.setVisible(true);
            } catch (Exception e) {
                e.printStackTrace();
            }
            ////////////
        }
    });

    try {

        BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
        String s;
        File dataFile = new File("data.txt");
        FileWriter fw = new FileWriter(dataFile);
        BufferedWriter bw = new BufferedWriter(fw);
        DataParser datIn = new DataParser(effectiveX, effectiveY);

        //while(!enabled){}//spin until enabled

        while ((s = in.readLine()) != null && s.length() != 0 && enabled) {
            // System.out.println(s);
            if (datIn.parseString(s)) {
                bw.write(s);
                bw.write('\n');
                bw.flush();
                panel_1.plotCoords(datIn.getX(), datIn.getFlippedY());
                TimeElapsed.setText(Double.toString(datIn.getTime()));
            }
        }

        bw.close();
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }

}

---

From source file:edu.internet2.middleware.psp.names.CreateLdapNames.java

/**
 * @param args/*from   ww  w .j a va  2  s  .  com*/
 */

public static void main(String[] args) {

    try {
        BufferedWriter writer = new BufferedWriter(new FileWriter("/tmp/people.ldif"));

        RandomCollection<String> givenNames = readGivenNames();

        RandomCollection<String> surnames = readSurnames();

        for (int i = 0; i < 1000; i++) {
            String surname = surnames.next();
            String givenName = givenNames.next();
            String ldif = getLdif(i, givenName, surname);
            // System.out.println(ldif);
            writer.write(ldif);
            writer.write("\n");
        }

        writer.close();

    } catch (IOException e) {
        e.printStackTrace();
    }
}

---

From source file:CopyLines.java

public static void main(String[] args) throws IOException {
    BufferedReader inputStream = null;
    PrintWriter outputStream = null;

    try {//from   w  w w.  j  a va  2  s.  c o  m
        inputStream = new BufferedReader(new FileReader("xanadu.txt"));
        outputStream = new PrintWriter(new FileWriter("characteroutput.txt"));

        String l;
        while ((l = inputStream.readLine()) != null) {
            outputStream.println(l);
        }
    } finally {
        if (inputStream != null) {
            inputStream.close();
        }
        if (outputStream != null) {
            outputStream.close();
        }
    }
}

---

From source file:BufferedCopy.java

public static void main(String[] args) throws IOException {
    BufferedReader inputStream = null;
    BufferedWriter outputStream = null;

    try {/*from   ww  w  . j a  va2s. c o m*/
        inputStream = new BufferedReader(new FileReader("xanadu.txt"));
        outputStream = new BufferedWriter(new FileWriter("characteroutput.txt"));

        int c;
        while ((c = inputStream.read()) != -1) {
            outputStream.write(c);
        }
    } finally {
        if (inputStream != null) {
            inputStream.close();
        }
        if (outputStream != null) {
            outputStream.close();
        }
    }
}

---

From source file:CounterDemo.java

public static void main(String[] args) throws IOException {
    CountReader cr = new CountReader(new FileReader("xanadu.txt"), 'e');
    CountWriter cw = new CountWriter(new FileWriter("outagain.txt"), 'e');
    int c = 0;/*w  w w  . ja  v  a  2 s .  c  om*/
    while ((c = cr.read()) != -1) {
        cw.write(c);
    }
    System.out.println(cr.getCount());
    System.out.println(cw.getCount());
    cr.close();
    cw.close();
}

---

From source file:com.opengamma.bbg.loader.BloombergSwaptionFileLoader.java

/**
 * Little util to parse swaption tickers into a csv for further analysis.
 * @param args command line params/*  w  w  w  . j  a v  a 2  s .  co m*/
 */
public static void main(String[] args) { // CSIGNORE
    CSVReader csvReader = null;
    CSVWriter csvWriter = null;
    try {
        csvReader = new CSVReader(new BufferedReader(new FileReader(args[0])));
        csvWriter = new CSVWriter(new BufferedWriter(new FileWriter(args[1])));
        String[] line;
        Pattern pattern = Pattern.compile("^(\\w\\w\\w).*?(\\d+)(M|Y)(\\d+)(M|Y)\\s*?(PY|RC)\\s*?(.*)$");
        BloombergReferenceDataProvider rawBbgRefDataProvider = getBloombergSecurityFileLoader();
        MongoDBValueCachingReferenceDataProvider bbgRefDataProvider = MongoCachedReferenceData
                .makeMongoProvider(rawBbgRefDataProvider, BloombergSwaptionFileLoader.class);
        while ((line = csvReader.readNext()) != null) {
            String name = line[NAME_FIELD];
            Matcher matcher = pattern.matcher(name);
            if (matcher.matches()) {
                String ccy = matcher.group(1);
                String swapTenorSize = matcher.group(2);
                String swapTenorUnit = matcher.group(3);
                String optionTenorSize = matcher.group(4);
                String optionTenorUnit = matcher.group(5);
                String payReceive = matcher.group(6);
                String distanceATM = matcher.group(7);

                String buid = "/buid/" + line[BUID_FIELD];
                String value = bbgRefDataProvider.getReferenceDataValue(buid, "TICKER");
                csvWriter.writeNext(new String[] { name, ccy, swapTenorSize, swapTenorUnit, optionTenorSize,
                        optionTenorUnit, payReceive, distanceATM, value });
            } else {
                s_logger.error("Couldn't parse " + name + " field");
            }

        }
    } catch (IOException ioe) {
        s_logger.error("Error while reading file", ioe);
    } finally {
        IOUtils.closeQuietly(csvReader);
        IOUtils.closeQuietly(csvWriter);
    }
}

---

From source file:com.waku.mmdataextract.ComprehensiveSearch.java

@SuppressWarnings("unchecked")
public static void main(String[] args) {
    FileWriter fw = null;//w  ww .j  ava  2  s  .  c om
    try {
        fw = new FileWriter(new File("output/ComprehensiveSearch.csv"));
        fw.write(
                ",??,?,?,,?,??,,?,1,2,3,\n");
    } catch (IOException e) {
        e.printStackTrace();
    }
    Document firstPage = MyHttpClient.getAsDom4jDoc(START_ACTION);
    // System.out.println(doc.asXML());
    List<Element> brandOptions = firstPage.selectNodes("//select[@name='brandId']/option");
    for (Element brandOption : brandOptions) {
        String brandId = brandOption.attributeValue("value");
        if (!brandId.equalsIgnoreCase("0")) {
            for (int i = 1; true; i++) {
                logger.info("Get brandId/page -> " + brandId + "/" + i);
                if (searchDone(fw, brandId, i)) {
                    break;
                }
            }
        }
    }
    try {
        fw.close();
    } catch (IOException e) {
        e.printStackTrace();
    }
    logger.info("----> Done!");

    logger.info("----> Start to compare production search ... ");
    CompareProductions.start(prodIdList, 0);
}

---

From source file:no.uib.tools.OnthologyHttpClient.java

public static void main(String[] args) {
    try {//from  w w w.  j a  va 2s .co m
        CloseableHttpClient httpClient = HttpClients.createDefault();
        HttpGet getRequest = new HttpGet(
                "http://www.ebi.ac.uk/ols/api/ontologies/mod/terms/http%253A%252F%252Fpurl.obolibrary.org%252Fobo%252FMOD_00861/descendants?size=2002");
        getRequest.addHeader("accept", "application/json");

        HttpResponse response = httpClient.execute(getRequest);

        if (response.getStatusLine().getStatusCode() != 200) {
            throw new RuntimeException("Failed to get the PSIMOD onthology : HTTP error code : "
                    + response.getStatusLine().getStatusCode());
        }

        BufferedReader br = new BufferedReader(new InputStreamReader((response.getEntity().getContent())));

        String output;
        FileWriter fw = new FileWriter("./mod.json");
        System.out.println("Output from Server .... \n");
        while ((output = br.readLine()) != null) {
            System.out.println(output);
            fw.write(output);
        }

        fw.close();
        httpClient.close();

    } catch (ClientProtocolException e) {

        e.printStackTrace();

    } catch (IOException e) {

        e.printStackTrace();
    }

}

---

From source file:com.redhat.poc.jdg.bankofchina.util.GenerateUserIdCsv.java

public static void main(String[] args) throws Exception {
    CommandLine commandLine;/*from ww  w.  j  av  a  2  s  .  com*/
    Options options = new Options();
    options.addOption("s", true, "The start csv file number option");
    options.addOption("e", true, "The end csv file number option");
    BasicParser parser = new BasicParser();
    parser.parse(options, args);
    commandLine = parser.parse(options, args);
    if (commandLine.getOptions().length > 0) {
        if (commandLine.hasOption("s")) {
            String start = commandLine.getOptionValue("s");
            if (start != null && start.length() > 0) {
                csvFileStart = Integer.parseInt(start);
            }
        }
        if (commandLine.hasOption("e")) {
            String end = commandLine.getOptionValue("e");
            if (end != null && end.length() > 0) {
                csvFileEnd = Integer.parseInt(end);
            }
        }
    }

    for (int i = csvFileStart; i <= csvFileEnd; i++) {
        ReadCsvFile(i);
    }

    System.out.println();
    System.out.println("%%%%%%%%%  " + csvFileStart + "-" + csvFileEnd
            + " ? userid.csv ,? %%%%%%%%%");
    System.out.println("%%%%%%%%% userid.csv  " + userIdList.size() + " ? %%%%%%%%%");
    CSVWriter writer = new CSVWriter(new FileWriter(CSV_FILE_PATH + "userid.csv"));
    writer.writeAll(userIdList);
    writer.flush();
    writer.close();
}

---

From source file:com.diskoverorta.utils.JsonConvertor.java

public static void main(String[] args) throws IOException {
    JsonConvertor js = new JsonConvertor();
    js.JsonConvertor();//from w  ww . j  a  v  a 2s  .  co m
    BufferedWriter bf = new BufferedWriter(new FileWriter("/home/serendio/jaroutput-json.txt"));
    bf.write(js.JsonConvertor());
    bf.newLine();
    bf.flush();
    bf.close();
}

---

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