Example usage for java.io FileReader FileReader

Introduction

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

Prototype

public FileReader(FileDescriptor fd)

Source Link

Document

Creates a new FileReader , given the FileDescriptor to read, using the platform's java.nio.charset.Charset#defaultCharset() default charset .

Usage

From source file:SMTPDemo.java

public static void main(String args[]) throws IOException, UnknownHostException {
    String msgFile = "file.txt";
    String from = "java2s@java2s.com";
    String to = "yourEmail@yourServer.com";
    String mailHost = "yourHost";
    SMTP mail = new SMTP(mailHost);
    if (mail != null) {
        if (mail.send(new FileReader(msgFile), from, to)) {
            System.out.println("Mail sent.");
        } else {//ww w .  ja v  a 2  s  . c  o  m
            System.out.println("Connect to SMTP server failed!");
        }
    }
    System.out.println("Done.");
}

From source file:MainClass.java

public static void main(String[] args) throws Exception {
    Document document = new Document(PageSize.A4);
    PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream("2.pdf"));
    document.open();/*from  w  w w.  ja v  a 2  s. c  o  m*/
    PdfContentByte cb = writer.getDirectContent();
    ColumnText ct = new ColumnText(cb);
    BufferedReader reader = new BufferedReader(new FileReader("a.txt"));
    String line;
    while ((line = reader.readLine()) != null) {
        ct.addText(new Phrase(line + "\n"));
    }
    reader.close();
    ct.setSimpleColumn(36, 36, PageSize.A4.width() - 36, PageSize.A4.height() - 36, 18,
            Element.ALIGN_JUSTIFIED);
    int status = ColumnText.START_COLUMN;
    while (ColumnText.hasMoreText(status)) {
        status = ct.go();
        ct.setYLine(PageSize.A4.height() - 36);
        document.newPage();
    }
    document.close();
}

From source file:com.ctt.client.Client.java

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

    Client.prop = new Properties();
    FileReader reader = new FileReader("../config.properties");
    Client.prop.load(reader);/* ww w.  ja va 2s  .com*/

    String directory = Client.prop.getProperty("directory");

    FilesMonitor listener = new FilesMonitor();
    File folder = new File(directory);

    try {
        FileAlterationObserver observer = new FileAlterationObserver(directory);
        FileAlterationMonitor monitor = new FileAlterationMonitor(1000);
        observer.addListener(listener);
        monitor.addObserver(observer);
        monitor.start();
    } catch (Exception io) {
    }
}

From source file:MainClass.java

public static void main(String[] args) throws Exception {
    Document document = new Document(PageSize.A4);
    PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream("2.pdf"));
    document.open();//w  w  w  .j  a v  a2  s  .co m
    PdfContentByte cb = writer.getDirectContent();
    StringBuffer sb = new StringBuffer(1024);
    BufferedReader reader = new BufferedReader(new FileReader("a.txt"));
    int c;
    while ((c = reader.read()) > -1) {
        sb.append((char) c);
    }
    reader.close();
    ColumnText ct = new ColumnText(cb);
    ct.setSimpleColumn(new Phrase(sb.toString()), 36, 36, PageSize.A4.width() - 36, PageSize.A4.height() - 36,
            18, Element.ALIGN_JUSTIFIED);
    int status = ColumnText.START_COLUMN;
    while (ColumnText.hasMoreText(status)) {
        status = ct.go();
        ct.setYLine(PageSize.A4.height() - 36);
        document.newPage();
    }
    document.close();
}

From source file:json.ReadFromFile.java

public static void main(String[] args) {

    JSONParser parser = new JSONParser();
    try {/*from  w w w  . j  a  va  2s . c  o m*/
        Object obj = parser.parse(new FileReader(file));
        JSONObject jsonObject = (JSONObject) obj;
        String countryName = jsonObject.get("Name") + "";//equivalent to jsonObject.get("Name").toString(); 
        System.out.println("Name of Country: " + countryName);

        long population = (long) jsonObject.get("Population");
        System.out.println("Population: " + population);

        System.out.println("Counties are:");
        JSONArray listOfCounties = (JSONArray) jsonObject.get("Counties");
        Iterator<String> iterator = listOfCounties.iterator();
        while (iterator.hasNext()) {
            System.out.println(iterator.next());
        }
    } catch (IOException | ParseException e) {
        e.printStackTrace();
    }
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    Connection conn = getConnection();
    Statement stmt = conn.createStatement();

    stmt.executeUpdate("create table survey (id int, name BINARY);");

    String sql = "INSERT INTO survey (name) VALUES(?)";
    PreparedStatement pstmt = conn.prepareStatement(sql);

    File file = new File("yourFileName.txt");
    long fileLength = file.length();
    Reader fileReader = (Reader) new BufferedReader(new FileReader(file));

    pstmt.setCharacterStream(1, fileReader, (int) fileLength);

    int rowCount = pstmt.executeUpdate();

    ResultSet rs = stmt.executeQuery("SELECT * FROM survey");
    while (rs.next()) {
        System.out.println(rs.getBytes(2));
    }/*w w w . ja  va  2s. c  o m*/

    rs.close();
    stmt.close();
    conn.close();
}

From source file:MyTest.ParseJson.java

public static void main(String args[]) {
    try {/*from  w  w w .  ja  v  a 2s.c o m*/
        FileReader reader = new FileReader(
                new File("data/NGS___RNA-seq_differential_expression_analysis-v1.ga"));
        System.out.println(reader);
        JSONParser parser = new JSONParser();
        JSONObject jo = (JSONObject) parser.parse(reader);
        JSONObject jsteps = (JSONObject) jo.get("steps");

        System.out.println(jsteps.size());
        System.out.println("---------------------------------------------------");
        for (int i = 0; i < jsteps.size(); i++) {
            JSONObject jstep_detail = (JSONObject) jsteps.get(String.valueOf(i));
            getDetailInfo(jstep_detail);

        }

    } catch (FileNotFoundException ex) {
        Logger.getLogger(ParseJson.class.getName()).log(Level.SEVERE, null, ex);
    } catch (IOException ex) {
        Logger.getLogger(ParseJson.class.getName()).log(Level.SEVERE, null, ex);
    } catch (ParseException ex) {
        Logger.getLogger(ParseJson.class.getName()).log(Level.SEVERE, null, ex);
    }

}

From source file:MainClass.java

public static void main(String[] args) throws Exception {
    XPathFactory factory = XPathFactory.newInstance();
    XPath xPath = factory.newXPath();
    SimpleNamespaceContext nsContext = new SimpleNamespaceContext();
    nsContext.addNamespace("s", "uri:test:schedule");
    xPath.setNamespaceContext(nsContext);

    String result = xPath.evaluate("/s:schedule/@name", new InputSource(new FileReader("t.xml")));
    System.out.println(result);//w ww  .j a  va 2  s  .  c o  m
}

From source file:LowerCaseReader.java

public static void main(String[] args) throws Exception {
    String fileName = "test.txt";
    LowerCaseReader lcr = new LowerCaseReader(new FileReader(fileName));
    int c = -1;//from w w w  . ja  va  2 s. c o m
    while ((c = lcr.read()) != -1) {
        System.out.print((char) c);
    }
    lcr.close();
    BufferedReader br = new BufferedReader(new LowerCaseReader(new FileReader(fileName)));
    String str = null;
    while ((str = br.readLine()) != null) {
        System.out.println(str);
    }
    br.close();
}

From source file:com.ctt.sshlistener.Main.java

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

    Main.prop = new Properties();
    FileReader reader = new FileReader("../config.properties");
    Main.prop.load(reader);//from  w  w w  . java  2  s  .c o m

    String directory = Main.prop.getProperty("directory");

    FilesMonitor listener = new FilesMonitor();
    File folder = new File(directory);

    try {
        FileAlterationObserver observer = new FileAlterationObserver(directory);
        FileAlterationMonitor monitor = new FileAlterationMonitor(10000);
        observer.addListener(listener);
        monitor.addObserver(observer);
        monitor.start();
    } catch (Exception io) {
    }
}