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:Main.java

public static void main(String[] args) throws Exception {
    XMLInputFactory xif = XMLInputFactory.newFactory();
    XMLStreamReader xsr = xif.createXMLStreamReader(new FileReader("data.xml"));
    xsr.nextTag(); // advance to Employees tag
    xsr.nextTag(); // advance to first Employer element
    Map<String, String> map = new HashMap<String, String>();
    while (xsr.getLocalName().equals("Employee")) {
        map.put(xsr.getAttributeValue("", "id"), xsr.getElementText());
        xsr.nextTag(); // advance to next Employer element
    }//from   w  ww . j  a  v a 2s  .  com
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    File archivo = new File("c:/Java_Dev/run.bat");
    FileReader fr = new FileReader(archivo);
    BufferedReader br = new BufferedReader(fr);

    Vector<String> lines = new Vector<String>();

    String line;/*ww w .  j  av  a2  s  .  c o m*/
    while ((line = br.readLine()) != null) {
        lines.add(line);
    }
    JOptionPane.showMessageDialog(null, new JScrollPane(new JList(lines)));
    fr.close();
}

From source file:Main.java

public static void main(String args[]) throws Exception {
    XMLInputFactory xmlif = XMLInputFactory.newInstance();
    XMLStreamReader xmlsr = xmlif.createXMLStreamReader(new FileReader("points.xml"));
    int eventType;
    while (xmlsr.hasNext()) {
        eventType = xmlsr.next();//w ww . j  av a2s . c  om
        switch (eventType) {
        case XMLEvent.START_ELEMENT:
            System.out.println(xmlsr.getName());
            break;
        case XMLEvent.CHARACTERS:
            System.out.println(xmlsr.getText());
            break;
        default:
            break;
        }
    }
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    XPath xPath = XPathFactory.newInstance().newXPath();

    FileReader reader = new FileReader("input.xml");
    InputSource xml = new InputSource(reader);
    NodeList titleNodes = (NodeList) xPath.evaluate("//item/title", xml, XPathConstants.NODESET);

    for (int x = 0; x < titleNodes.getLength(); x++) {
        System.out.println(titleNodes.item(x).getTextContent());
    }/* w  w  w  .  j  av  a2s. c o m*/
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    XMLInputFactory factory = XMLInputFactory.newInstance();

    Reader fileReader = new FileReader("source.xml");
    XMLStreamReader reader = factory.createXMLStreamReader(fileReader);

    while (reader.hasNext()) {
        process(reader);//w w  w.j  av  a 2 s .co m
        reader.next();
    }
}

From source file:Main.java

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

    int count = 0;
    double sum = 0.0;

    FileWriter fout = new FileWriter("test.txt");

    fout.write("2, 3.4,    5,6, 7.4, 9.1, 10.5, done");
    fout.close();//from  w  ww  . j a v  a 2 s . c  o m

    FileReader fin = new FileReader("Test.txt");

    Scanner src = new Scanner(fin);

    src.useDelimiter(", *");

    while (src.hasNext()) {
        if (src.hasNextDouble()) {
            sum += src.nextDouble();
            count++;
        } else {
            String str = src.next();
            if (str.equals("done"))
                break;
            else {
                System.out.println("File format error.");
                return;
            }
        }
    }

    fin.close();
    System.out.println("Average is " + sum / count);
}

From source file:GetName.java

public static void main(String[] args) throws Exception {
    XPathFactory factory = XPathFactory.newInstance();
    XPath xPath = factory.newXPath();

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

From source file:MainClass.java

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

    FileWriter fout = new FileWriter("test.txt");
    fout.write("2, 3.4,    5,6, 7.4, 9.1, 10.5, done");
    fout.close();//from  w  w w.  j a va 2 s .c  o m

    FileReader fin = new FileReader("Test.txt");
    Scanner src = new Scanner(fin);
    // Set delimiters to space and comma.
    // ", *" tells Scanner to match a comma and zero or more spaces as
    // delimiters.

    src.useDelimiter(", *");

    // Read and sum numbers.
    while (src.hasNext()) {
        if (src.hasNextDouble()) {
            System.out.println(src.nextDouble());
        } else {
            break;
        }
    }
    fin.close();
}

From source file:MainClass.java

public static void main(String args[]) throws IOException {
    // Write output to a file.
    FileWriter fout = new FileWriter("test.txt");
    fout.write("2 3.4 5 6 7.4 9.1 10.5 done");
    fout.close();//w w  w.  j a v a2  s  .co m

    FileReader fin = new FileReader("Test.txt");

    Scanner src = new Scanner(fin);

    // Read and sum numbers.
    while (src.hasNext()) {
        if (src.hasNextDouble()) {
            System.out.println(src.nextDouble());
        } else {
            break;
        }
    }
    fin.close();
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    XPathFactory xpf = XPathFactory.newInstance();
    XPath xpath = xpf.newXPath();
    InputSource xml = new InputSource(new FileReader("input.xml"));
    Node result = (Node) xpath.evaluate("/tag1", xml, XPathConstants.NODE);
    System.out.println(result);//from www. j  a va  2 s  . c o  m
}