Example usage for java.io FileInputStream FileInputStream

Introduction

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

Prototype

public FileInputStream(FileDescriptor fdObj)

Source Link

Document

Creates a FileInputStream by using the file descriptor fdObj, which represents an existing connection to an actual file in the file system.

Usage

From source file:Main.java

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

    String s = "Hello World from java2s.com!";

    FileOutputStream out = new FileOutputStream("test.txt");
    ObjectOutputStream oout = new ObjectOutputStream(out);

    oout.writeUTF(s);/* w  w w  .  j  a  va  2s  .  com*/
    oout.writeUTF("This is an example from java2s.com");
    oout.flush();
    oout.close();
    ObjectInputStream ois = new ObjectInputStream(new FileInputStream("test.txt"));

    System.out.println(ois.readUTF());

    System.out.println(ois.readUTF());
    ois.close();
}

From source file:Main.java

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

    long l = 12345678909876L;

    FileOutputStream out = new FileOutputStream("test.txt");
    ObjectOutputStream oout = new ObjectOutputStream(out);

    // write something in the file
    oout.writeLong(l);//from  w  ww  .  j  a  v  a  2  s. c  o m
    oout.writeLong(987654321L);
    oout.flush();
    oout.close();

    ObjectInputStream ois = new ObjectInputStream(new FileInputStream("test.txt"));

    System.out.println(ois.readLine());

    ois.close();
}

From source file:Main.java

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

    st.executeUpdate("create table survey (Id int, b BLOB);");

    PreparedStatement pstmt = conn.prepareStatement("INSERT INTO survey VALUES(1,?)");

    File file = new File("blob.txt");
    FileInputStream fis = new FileInputStream(file);
    pstmt.setBinaryStream(1, fis, (int) file.length());
    pstmt.execute();/*from   www.  j av  a  2  s  .  co m*/

    fis.close();
    st.close();
    conn.close();
}

From source file:Main.java

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

    ObjectOutputStream out = new ObjectOutputStream(
            new BufferedOutputStream(new FileOutputStream("file.data")));
    out.write("java2s.com".getBytes());
    out.close();//from  w  w  w . j  a v a  2  s .  c  o  m

    ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(new FileInputStream("file.data")));

    byte[] byteArray = new byte[10];
    in.read(byteArray);
    System.out.println(Arrays.toString(byteArray));
    in.close();
}

From source file:InputOutputDemoObjectBinaryFile.java

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

    //Write an object or array to binary file "java2sObject.dat":
    ObjectOutputStream oos = new ObjectOutputStream(new FileOutputStream("java2sObject.dat"));
    oos.writeObject(new int[] { 2, 3, 5, 7, 11 });
    oos.close();/*w  ww. j a  va  2s  .  com*/
    //Read objects or arrays from binary file "o.dat":
    ObjectInputStream ois = new ObjectInputStream(new FileInputStream("java2sObject.dat"));
    int[] ia = (int[]) (ois.readObject());
    System.out.println(ia[0] + "," + ia[1] + "," + ia[2] + "," + ia[3] + "," + ia[4]);

}

From source file:MainClass.java

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

    CertificateFactory cf = CertificateFactory.getInstance("X.509");
    List mylist = new ArrayList();
    for (int i = 0; i < args.length; i++) {
        FileInputStream in = new FileInputStream(args[i]);
        Certificate c = cf.generateCertificate(in);
        mylist.add(c);//from  w  w  w.ja va  2s  . co m
    }
    CertStoreParameters cparam = new CollectionCertStoreParameters(mylist);
    CertStore cs = CertStore.getInstance("Collection", cparam);
    System.out.println(cs.getCertStoreParameters());
    System.out.println(cs.getProvider());
    System.out.println(cs.getType());

}

From source file:Main.java

public static void main(String[] args) throws IOException {
    float[] fbuf = { 12.34f, 23.34f, 45.56f, 67.78f, 12.55f, 77.88f };

    FileOutputStream fos = new FileOutputStream("c:\\test.txt");
    DataOutputStream dos = new DataOutputStream(fos);
    for (float f : fbuf) {
        dos.writeFloat(f);/* www .  j  a  v  a 2 s .  com*/
    }
    dos.flush();
    InputStream is = new FileInputStream("c:\\test.txt");
    DataInputStream dis = new DataInputStream(is);

    while (dis.available() > 0) {
        float c = dis.readFloat();
        System.out.print(c);
    }
}

From source file:Main.java

  public static void main(String[] args) throws IOException {
  ServerSocket servsock = new ServerSocket(123456);
  File myFile = new File("s.pdf");
  while (true) {//from  w  w  w .  j ava  2 s  .  co  m
    Socket sock = servsock.accept();
    byte[] mybytearray = new byte[(int) myFile.length()];
    BufferedInputStream bis = new BufferedInputStream(new FileInputStream(myFile));
    bis.read(mybytearray, 0, mybytearray.length);
    OutputStream os = sock.getOutputStream();
    os.write(mybytearray, 0, mybytearray.length);
    os.flush();
    sock.close();
  }
}

From source file:Main.java

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

    FileOutputStream out = new FileOutputStream("test.txt");
    ObjectOutputStream oout = new ObjectOutputStream(out);

    // write something in the file
    oout.writeUTF("Hello World from java2s.com");
    oout.flush();/*from ww w.java2s  .  c o  m*/

    // create an ObjectInputStream for the file we created before
    ObjectInputStream ois = new ObjectInputStream(new FileInputStream("test.txt"));

    // read from the stream
    for (int i = 0; i < ois.available();) {
        System.out.print((char) ois.read());
    }

    ois.close();

}

From source file:EntityReferenceTest.java

public static void main(String[] args) throws Exception {
    XMLInputFactory inputFactory = XMLInputFactory.newInstance();
    inputFactory.setProperty(XMLInputFactory.IS_COALESCING, Boolean.TRUE);
    inputFactory.setProperty(XMLInputFactory.IS_REPLACING_ENTITY_REFERENCES, Boolean.TRUE);

    XMLStreamReader reader = inputFactory.createXMLStreamReader(new FileInputStream("e.xml"));
    while (reader.hasNext()) {
        int event = reader.next();
        if (event == XMLStreamConstants.CHARACTERS)
            System.out.println(reader.getText());
        else if (event == XMLStreamConstants.ENTITY_REFERENCE) {
            System.out.println("en: " + reader.getLocalName());
            System.out.println("er: " + reader.getText());
        }/*from w ww. ja  va2 s  .c om*/
    }
    inputFactory.setProperty(XMLInputFactory.IS_REPLACING_ENTITY_REFERENCES, Boolean.FALSE);

    reader = inputFactory.createXMLStreamReader(new FileInputStream("e.xml"));
    while (reader.hasNext()) {
        int event = reader.next();
        if (event == XMLStreamConstants.CHARACTERS)
            System.out.println(reader.getText());
        else if (event == XMLStreamConstants.ENTITY_REFERENCE) {
            System.out.println("en: " + reader.getLocalName());
            System.out.println("er: " + reader.getText());
        }
    }
}