Example usage for java.io FileOutputStream close

Introduction

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

Prototype

public void close() throws IOException 

Source Link

Document

Closes this file output stream and releases any system resources associated with this stream.

Usage

From source file:Main.java

public static void main(String[] args) throws IOException {

    byte b = 66;//from w w w. j a  va  2 s.  c  om
    int i = 0;
    FileOutputStream fos = new FileOutputStream(new File("C://test1.txt"));

    fos.write(b);

    fos.flush();

    FileInputStream fis = new FileInputStream("C://test.txt");

    // read till the end of the file
    while ((i = fis.read()) != -1) {
        // convert integer to character
        char c = (char) i;

        System.out.print(c);
    }
    fos.close();
    fis.close();
}

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From source file:Main.java

public static void main(String[] args) throws Exception {
    DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
    dbf.setValidating(false);//w  ww.j a  v a  2s  .c o m
    DocumentBuilder db = dbf.newDocumentBuilder();
    Document doc = db.parse(new FileInputStream(new File("input.xml")));
    File OutputDOM = new File("out.txt");
    FileOutputStream fostream = new FileOutputStream(OutputDOM);
    OutputStreamWriter oswriter = new OutputStreamWriter(fostream);
    BufferedWriter bwriter = new BufferedWriter(oswriter);
    if (!OutputDOM.exists()) {
        OutputDOM.createNewFile();
    }
    visitRecursively(doc, bwriter);
    bwriter.close();
    oswriter.close();
    fostream.close();
}

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From source file:Main.java

public static void main(String[] args) throws IOException {

    byte b = 66;/*from  w w  w  .jav  a2 s.  co  m*/
    int i = 0;
    FileOutputStream fos = new FileOutputStream(new File("C://test1.txt"), true);

    fos.write(b);

    fos.flush();

    FileInputStream fis = new FileInputStream("C://test.txt");

    // read till the end of the file
    while ((i = fis.read()) != -1) {
        // convert integer to character
        char c = (char) i;

        System.out.print(c);
    }
    fos.close();
    fis.close();
}

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From source file:MainClass.java

public static void main(String[] args) {
    try {/* ww w . ja  v  a2  s  . c om*/
        File aFile = new File("test.txt");

        FileOutputStream outputFile = null;
        outputFile = new FileOutputStream(aFile, true);
        FileChannel outChannel = outputFile.getChannel();

        ByteBuffer buf = ByteBuffer.allocate(200);

        buf.putInt(10).asCharBuffer().put("www.java2s.com");

        buf.position(10).flip();
        outChannel.write(buf);
        buf.clear();

        outputFile.close();

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

    }

}

---

From source file:ExplicitChannelWrite.java

public static void main(String args[]) {
    FileOutputStream fOut;
    FileChannel fChan;/*from  ww w  . ja v a2s .co  m*/
    ByteBuffer mBuf;

    try {
        fOut = new FileOutputStream("test.txt");
        fChan = fOut.getChannel();
        mBuf = ByteBuffer.allocateDirect(26);
        for (int i = 0; i < 26; i++)
            mBuf.put((byte) ('A' + i));
        mBuf.rewind();
        fChan.write(mBuf);
        fChan.close();
        fOut.close();
    } catch (IOException exc) {
        System.out.println(exc);
        System.exit(1);
    }
}

---

From source file:MainClass.java

public static void main(String[] args) throws Exception {
    File fromFile = new File("fromFile.txt");
    File toFile = new File("toFile.txt");
    FileInputStream inFile = new FileInputStream(fromFile);
    FileOutputStream outFile = new FileOutputStream(toFile);
    FileChannel inChannel = inFile.getChannel();
    FileChannel outChannel = outFile.getChannel();
    int bytesWritten = 0;
    long byteCount = inChannel.size();
    while (bytesWritten < byteCount) {
        bytesWritten += inChannel.transferTo(bytesWritten, byteCount - bytesWritten, outChannel);
    }/*from www . j av  a  2s. c om*/
    inFile.close();
    outFile.close();
}

---

From source file:createSod.java

/**
 * @param args/*  w  w  w . j a  v a 2 s  .com*/
 * @throws CMSException 
 */
public static void main(String[] args) throws Exception {

    try {
        CommandLine options = verifyArgs(args);
        String privateKeyLocation = options.getOptionValue("privatekey");
        String keyPassword = options.getOptionValue("keypass");
        String certificate = options.getOptionValue("certificate");
        String sodContent = options.getOptionValue("content");
        String sod = "";
        if (options.hasOption("out")) {
            sod = options.getOptionValue("out");
        }

        // CHARGEMENT DU FICHIER PKCS#12

        KeyStore ks = null;
        char[] password = null;

        Security.addProvider(new BouncyCastleProvider());
        try {
            ks = KeyStore.getInstance("PKCS12");
            // Password pour le fichier personnal_nyal.p12
            password = keyPassword.toCharArray();
            ks.load(new FileInputStream(privateKeyLocation), password);
        } catch (Exception e) {
            System.out.println("Erreur: fichier " + privateKeyLocation
                    + " n'est pas un fichier pkcs#12 valide ou passphrase incorrect");
            return;
        }

        // RECUPERATION DU COUPLE CLE PRIVEE/PUBLIQUE ET DU CERTIFICAT PUBLIQUE

        X509Certificate cert = null;
        PrivateKey privatekey = null;
        PublicKey publickey = null;

        try {
            Enumeration en = ks.aliases();
            String ALIAS = "";
            Vector vectaliases = new Vector();

            while (en.hasMoreElements())
                vectaliases.add(en.nextElement());
            String[] aliases = (String[]) (vectaliases.toArray(new String[0]));
            for (int i = 0; i < aliases.length; i++)
                if (ks.isKeyEntry(aliases[i])) {
                    ALIAS = aliases[i];
                    break;
                }
            privatekey = (PrivateKey) ks.getKey(ALIAS, password);
            cert = (X509Certificate) ks.getCertificate(ALIAS);
            publickey = ks.getCertificate(ALIAS).getPublicKey();
        } catch (Exception e) {
            e.printStackTrace();
            return;
        }

        // Chargement du certificat  partir du fichier

        InputStream inStream = new FileInputStream(certificate);
        CertificateFactory cf = CertificateFactory.getInstance("X.509");
        cert = (X509Certificate) cf.generateCertificate(inStream);
        inStream.close();

        // Chargement du fichier qui va tre sign

        File file_to_sign = new File(sodContent);
        byte[] buffer = new byte[(int) file_to_sign.length()];
        DataInputStream in = new DataInputStream(new FileInputStream(file_to_sign));
        in.readFully(buffer);
        in.close();

        // Chargement des certificats qui seront stocks dans le fichier .p7
        // Ici, seulement le certificat personnal_nyal.cer sera associ.
        // Par contre, la chane des certificats non.

        ArrayList certList = new ArrayList();
        certList.add(cert);
        CertStore certs = CertStore.getInstance("Collection", new CollectionCertStoreParameters(certList),
                "BC");

        CMSSignedDataGenerator signGen = new CMSSignedDataGenerator();

        // privatekey correspond  notre cl prive rcupre du fichier PKCS#12
        // cert correspond au certificat publique personnal_nyal.cer
        // Le dernier argument est l'algorithme de hachage qui sera utilis

        signGen.addSigner(privatekey, cert, CMSSignedDataGenerator.DIGEST_SHA1);
        signGen.addCertificatesAndCRLs(certs);
        CMSProcessable content = new CMSProcessableByteArray(buffer);

        // Generation du fichier CMS/PKCS#7
        // L'argument deux permet de signifier si le document doit tre attach avec la signature
        //     Valeur true:  le fichier est attach (c'est le cas ici)
        //     Valeur false: le fichier est dtach

        CMSSignedData signedData = signGen.generate(content, true, "BC");
        byte[] signeddata = signedData.getEncoded();

        // Ecriture du buffer dans un fichier.   

        if (sod.equals("")) {
            System.out.print(signeddata.toString());
        } else {
            FileOutputStream envfos = new FileOutputStream(sod);
            envfos.write(signeddata);
            envfos.close();
        }

    } catch (OptionException oe) {
        HelpFormatter formatter = new HelpFormatter();
        formatter.printHelp(NAME, getOptions());
        System.exit(-1);
    } catch (Exception e) {
        e.printStackTrace();
        return;
    }

}

---

From source file:com.saba.CalendarDemo.java

public static void main(String[] args) throws Exception {

    Map<String, Object> data = new HashMap<String, Object>();
    prepareXLSDynamicValues(data);//from   www . j  a v  a2 s.c o m

    XSSFWorkbook workbook = new XSSFWorkbook();
    XSSFSheet sheet = workbook.createSheet("Awarded Bid & Contact Details");

    Map<String, CellStyle> styles = createStyles(workbook);
    sheet.setPrintGridlines(false);
    sheet.setDisplayGridlines(false);
    PrintSetup printSetup = sheet.getPrintSetup();
    printSetup.setLandscape(true);
    sheet.setFitToPage(true);
    sheet.setHorizontallyCenter(true);

    setupColumnWidthForEachFields(sheet);

    //preparing the contact & details table along with data 
    prepareContactDetailsTableAndData(data, sheet, styles);

    int contactdetrow = contactDetails.length + 2;
    //preparing the award bid & details table along with data 
    prepareAwardBidDetailsTableAndData(data, sheet, styles, contactdetrow);

    int awardDetailsRow = (contactDetails.length + awardedBidDetails.length + 4);
    //preparing the product & details table 
    prepareProductDetailsTable(workbook, sheet, styles, awardDetailsRow);
    //preparing the product & details table data 
    prepareProductDetailsTableData(data, sheet, styles, awardDetailsRow);

    FileOutputStream out = new FileOutputStream("award_bid.xlsx");
    workbook.write(out);
    out.close();

}

---

From source file:CopyBytes.java

public static void main(String[] args) throws IOException {
    FileInputStream in = null;//w w  w  .j a  v a2s.  com
    FileOutputStream out = null;
    try {
        in = new FileInputStream("xanadu.txt");
        out = new FileOutputStream("outagain.txt");
        int c;

        while ((c = in.read()) != -1) {
            out.write(c);
        }

    } finally {
        if (in != null) {
            in.close();
        }
        if (out != null) {
            out.close();
        }
    }
}

---

From source file:es.upm.oeg.tools.rdfshapes.utils.CadinalityResultGenerator.java

public static void main(String[] args) throws Exception {

    String endpoint = "http://3cixty.eurecom.fr/sparql";

    List<String> classList = Files.readAllLines(Paths.get(classListPath), Charset.defaultCharset());

    String classPropertyQueryString = readFile(classPropertyQueryPath, Charset.defaultCharset());
    String propertyCardinalityQueryString = readFile(propertyCardinalityQueryPath, Charset.defaultCharset());
    String individualCountQueryString = readFile(individualCountQueryPath, Charset.defaultCharset());

    DecimalFormat df = new DecimalFormat("0.0000");

    //Create the Excel workbook and sheet
    XSSFWorkbook wb = new XSSFWorkbook();
    XSSFSheet sheet = wb.createSheet("Cardinality");

    int currentExcelRow = 0;
    int classStartRow = 0;

    for (String clazz : classList) {

        Map<String, String> litMap = new HashMap<>();
        Map<String, String> iriMap = ImmutableMap.of("class", clazz);

        String queryString = bindQueryString(individualCountQueryString,
                ImmutableMap.of(IRI_BINDINGS, iriMap, LITERAL_BINDINGS, litMap));

        int individualCount;
        List<RDFNode> c = executeQueryForList(queryString, endpoint, "c");
        if (c.size() == 1) {
            individualCount = c.get(0).asLiteral().getInt();
        } else {//from w ww .j  a v  a  2  s . com
            continue;
        }

        // If there are zero individuals, continue
        if (individualCount == 0) {
            throw new IllegalStateException("Check whether " + classListPath + " and " + endpoint + " match.");
        }

        //            System.out.println("***");
        //            System.out.println("### **" + clazz + "** (" + individualCount + ")");
        //            System.out.println("***");
        //            System.out.println();

        classStartRow = currentExcelRow;
        XSSFRow row = sheet.createRow(currentExcelRow);
        XSSFCell cell = row.createCell(0);
        cell.setCellValue(clazz);
        cell.getCellStyle().setAlignment(CellStyle.ALIGN_CENTER);

        queryString = bindQueryString(classPropertyQueryString,
                ImmutableMap.of(IRI_BINDINGS, iriMap, LITERAL_BINDINGS, litMap));

        List<RDFNode> nodeList = executeQueryForList(queryString, endpoint, "p");

        for (RDFNode property : nodeList) {
            if (property.isURIResource()) {

                DescriptiveStatistics stats = new DescriptiveStatistics();

                String propertyURI = property.asResource().getURI();
                //                    System.out.println("* " + propertyURI);
                //                    System.out.println();

                XSSFRow propertyRow = sheet.getRow(currentExcelRow);
                if (propertyRow == null) {
                    propertyRow = sheet.createRow(currentExcelRow);
                }
                currentExcelRow++;

                XSSFCell propertyCell = propertyRow.createCell(1);
                propertyCell.setCellValue(propertyURI);

                Map<String, String> litMap2 = new HashMap<>();
                Map<String, String> iriMap2 = ImmutableMap.of("class", clazz, "p", propertyURI);

                queryString = bindQueryString(propertyCardinalityQueryString,
                        ImmutableMap.of(IRI_BINDINGS, iriMap2, LITERAL_BINDINGS, litMap2));

                List<Map<String, RDFNode>> solnMaps = executeQueryForList(queryString, endpoint,
                        ImmutableSet.of("card", "count"));

                int sum = 0;
                List<CardinalityCount> cardinalityList = new ArrayList<>();
                if (solnMaps.size() > 0) {

                    for (Map<String, RDFNode> soln : solnMaps) {
                        int count = soln.get("count").asLiteral().getInt();
                        int card = soln.get("card").asLiteral().getInt();

                        for (int i = 0; i < count; i++) {
                            stats.addValue(card);
                        }

                        CardinalityCount cardinalityCount = new CardinalityCount(card, count,
                                (((double) count) / individualCount) * 100);
                        cardinalityList.add(cardinalityCount);
                        sum += count;
                    }

                    // Check for zero cardinality instances
                    int count = individualCount - sum;
                    if (count > 0) {
                        for (int i = 0; i < count; i++) {
                            stats.addValue(0);
                        }
                        CardinalityCount cardinalityCount = new CardinalityCount(0, count,
                                (((double) count) / individualCount) * 100);
                        cardinalityList.add(cardinalityCount);
                    }
                }

                Map<Integer, Double> cardMap = new HashMap<>();
                for (CardinalityCount count : cardinalityList) {
                    cardMap.put(count.getCardinality(), count.getPrecentage());
                }

                XSSFCell instanceCountCell = propertyRow.createCell(2);
                instanceCountCell.setCellValue(individualCount);

                XSSFCell minCell = propertyRow.createCell(3);
                minCell.setCellValue(stats.getMin());

                XSSFCell maxCell = propertyRow.createCell(4);
                maxCell.setCellValue(stats.getMax());

                XSSFCell p1 = propertyRow.createCell(5);
                p1.setCellValue(stats.getPercentile(1));

                XSSFCell p99 = propertyRow.createCell(6);
                p99.setCellValue(stats.getPercentile(99));

                XSSFCell mean = propertyRow.createCell(7);
                mean.setCellValue(df.format(stats.getMean()));

                for (int i = 0; i < 21; i++) {
                    XSSFCell dataCell = propertyRow.createCell(8 + i);
                    Double percentage = cardMap.get(i);
                    if (percentage != null) {
                        dataCell.setCellValue(df.format(percentage));
                    } else {
                        dataCell.setCellValue(0);
                    }
                }

                //                    System.out.println("| Min Card. |Max Card. |");
                //                    System.out.println("|---|---|");
                //                    System.out.println("| ? | ? |");
                //                    System.out.println();

            }
        }

        //System.out.println("class start: " + classStartRow + ", class end: " + (currentExcelRow -1));
        //We have finished writting properties of one class, now it's time to merge the cells
        int classEndRow = currentExcelRow - 1;
        if (classStartRow < classEndRow) {
            sheet.addMergedRegion(new CellRangeAddress(classStartRow, classEndRow, 0, 0));
        }

    }

    String filename = "3cixty.xls";
    FileOutputStream fileOut = new FileOutputStream(filename);
    wb.write(fileOut);
    fileOut.close();
}

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