Example usage for java.io DataInputStream close

Introduction

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

Prototype

public void close() throws IOException

Source Link

Document

Closes this input stream and releases any system resources associated with the stream.

Usage

From source file:Main.java

public static void main(String[] args) throws IOException {
    DataInputStream in = new DataInputStream(new FileInputStream("Main.class"));

    int start = in.readInt();
    if (start != 0xcafebabe) {
        System.out.println("not valid");
    }//from   w  w w  .j  av  a  2s .co  m
    in.close();
    System.out.println(in.readUnsignedShort() + "/" + in.readUnsignedShort());

}

From source file:Main.java

public static void main(String[] args) throws Exception {
    URL url = new URL("http://localhost:8080/postedresults.jsp");
    URLConnection conn = url.openConnection();
    conn.setDoInput(true);// ww  w.j  a va  2  s  . c  om
    conn.setDoOutput(true);
    conn.setUseCaches(false);
    conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");

    DataOutputStream out = new DataOutputStream(conn.getOutputStream());
    String content = "CONTENT=HELLO JSP !&ONEMORECONTENT =HELLO POST !";

    out.writeBytes(content);
    out.flush();
    out.close();

    DataInputStream in = new DataInputStream(conn.getInputStream());
    String str;
    while (null != ((str = in.readUTF()))) {
        System.out.println(str);
    }
    in.close();
}

From source file:Main.java

public static void main(String args[]) throws Exception {
    byte[] b = new byte[1];
    URL url = new URL("http://www.server.com/a.gif");
    URLConnection urlConnection = url.openConnection();
    urlConnection.connect();//  w  w w. j  a v  a  2  s . c om
    DataInputStream di = new DataInputStream(urlConnection.getInputStream());

    FileOutputStream fo = new FileOutputStream("a.gif");
    while (-1 != di.read(b, 0, 1))
        fo.write(b, 0, 1);
    di.close();
    fo.close();
}

From source file:Main.java

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

    URL url = new URL("http://www.java.com/");
    URLConnection urlConnection = url.openConnection();
    DataInputStream dis = new DataInputStream(urlConnection.getInputStream());
    String html = "", tmp = "";
    while ((tmp = dis.readUTF()) != null) {
        html += " " + tmp;
    }//from   ww  w  .j  a  v a 2 s  .c  o  m
    dis.close();

    html = html.replaceAll("\\s+", " ");
    Pattern p = Pattern.compile("<title>(.*?)</title>");
    Matcher m = p.matcher(html);
    while (m.find() == true) {
        System.out.println(m.group(1));
    }
}

From source file:MainClass.java

public static void main(String args[]) throws Exception {
    String query = "name=yourname&email=youremail@yourserver.com";

    URLConnection uc = new URL("http:// your form ").openConnection();
    uc.setDoOutput(true);// w w  w.  j  a  v a 2s  .  c om
    uc.setDoInput(true);
    uc.setAllowUserInteraction(false);
    DataOutputStream dos = new DataOutputStream(uc.getOutputStream());

    // The POST line, the Accept line, and
    // the content-type headers are sent by the URLConnection.
    // We just need to send the data
    dos.writeBytes(query);
    dos.close();

    // Read the response
    DataInputStream dis = new DataInputStream(uc.getInputStream());
    String nextline;
    while ((nextline = dis.readLine()) != null) {
        System.out.println(nextline);
    }
    dis.close();
}

From source file:DataIODemo.java

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

    FileOutputStream fout = new FileOutputStream("Test.dat");
    DataOutputStream out = new DataOutputStream(fout);

    out.writeDouble(98.6);//from  w ww.j a va  2 s.  c  o m
    out.writeInt(1000);
    out.writeBoolean(true);

    out.close();

    FileInputStream fin = new FileInputStream("Test.dat");
    DataInputStream in = new DataInputStream(fin);

    double d = in.readDouble();
    int i = in.readInt();
    boolean b = in.readBoolean();

    System.out.println("Here are the values:  " + d + " " + i + " " + b);

    in.close();
}

From source file:Main.java

public static void main(String[] atgs) throws Exception {
    DataOutputStream out = new DataOutputStream(new BufferedOutputStream(new FileOutputStream("java.txt")));
    out.writeUTF("");
    out.writeBytes("a");
    out.writeChars("aaa");
    out.close();/*from w w  w  .  j a  v  a 2s.c om*/
    DataInputStream in = new DataInputStream(new BufferedInputStream(new FileInputStream("java.txt")));
    System.out.println(in.readUTF());
    byte[] buf = new byte[1024];
    int len = in.read(buf);
    System.out.println(new String(buf, 0, len));
    in.close();
}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    double data[] = { 1.1, 2.2, 3.3, 4.4, 5.5, 6.6 };
    DataOutputStream fout = new DataOutputStream(new DeflaterOutputStream(new FileOutputStream("data.dat")));
    fout.writeInt(data.length);/*from   ww  w  .ja  va2  s.c o m*/

    for (double d : data)
        fout.writeDouble(d);

    DataInputStream fin = new DataInputStream(new InflaterInputStream(new FileInputStream("data.dat")));
    int num = fin.readInt();

    double avg = 0.0;
    double d;

    for (int i = 0; i < num; i++) {
        d = fin.readDouble();
        avg += d;
        System.out.print(d + " ");
    }
    fin.close();
    fout.close();
}

From source file:Main.java

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

    URL google = new URL("http://www.google.com/");
    URLConnection googleConnection = google.openConnection();
    DataInputStream dis = new DataInputStream(googleConnection.getInputStream());
    StringBuffer inputLine = new StringBuffer();
    String tmp;//  w w w  .j  av a  2  s.co m
    while ((tmp = dis.readLine()) != null) {
        inputLine.append(tmp);
        System.out.println(tmp);
    }
    // use inputLine.toString(); here it would have whole source
    dis.close();
}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    FileInputStream fileIn = new FileInputStream("data.txt");
    DataInputStream dataIn = new DataInputStream(fileIn);
    System.out.println(dataIn.readUTF());
    int counter = dataIn.readInt();
    double sum = 0.0;
    for (int i = 0; i < counter; i++) {
        double current = dataIn.readDouble();
        System.out.println("Just read " + current);
        sum += current;//from  w  ww.j a va  2  s. c om
    }
    System.out.println("\nAverage = " + sum / counter);
    dataIn.close();
    fileIn.close();
}