Example usage for java.io Reader read

Introduction

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

Prototype

public int read() throws IOException

Source Link

Document

Reads a single character.

Usage

From source file:MainClass.java

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

    URL u = new URL("http://www.java2s.com");
    InputStream in = u.openStream();

    in = new BufferedInputStream(in);

    Reader r = new InputStreamReader(in);
    int c;/*from www  . ja v  a  2s  . c  o m*/
    while ((c = r.read()) != -1) {
        System.out.print((char) c);
    }
}

From source file:MainClass.java

public static void main(String[] args) throws Exception {
    Date today = new Date();
    long millisecondsPerDay = 24 * 60 * 60 * 1000;

    URL u = new URL("http://www.java2s.com");
    URLConnection uc = u.openConnection();
    uc.setIfModifiedSince((new Date(today.getTime() - millisecondsPerDay)).getTime());
    InputStream in = new BufferedInputStream(uc.getInputStream());
    Reader r = new InputStreamReader(in);
    int c;//  www  .  j a v a2 s .  c o m
    while ((c = r.read()) != -1) {
        System.out.print((char) c);
    }
}

From source file:MainClass.java

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

    Authenticator.setDefault(new DialogAuthenticator());

    URL u = new URL("secure url");
    InputStream in = u.openStream();
    in = new BufferedInputStream(in);
    Reader r = new InputStreamReader(in);
    int c;/*from  ww  w  . j ava  2s . c  o  m*/
    while ((c = r.read()) != -1) {
        System.out.print((char) c);
    }
}

From source file:InputOutputDemoString.java

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

    //Read from a String s as if it were a text file:
    Reader r = new StringReader("abc");
    System.out.println("abc: " + (char) r.read() + (char) r.read() + (char) r.read());
    //Write to a StringBuffer as if it were a text file:
    Writer sw = new StringWriter();
    sw.write('d');
    sw.write('e');
    sw.write('f');
    System.out.println(sw.toString());
}

From source file:MainClass.java

public static void main(String[] args) throws Exception {
    URL u = new URL("http://www.java2s.com");
    HttpURLConnection uc = (HttpURLConnection) u.openConnection();
    int code = uc.getResponseCode();
    String response = uc.getResponseMessage();
    System.out.println("HTTP/1.x " + code + " " + response);
    for (int j = 1;; j++) {
        String header = uc.getHeaderField(j);
        String key = uc.getHeaderFieldKey(j);
        if (header == null || key == null)
            break;
        System.out.println(uc.getHeaderFieldKey(j) + ": " + header);
    }/*from   w  ww  .  j a  va 2s .  co  m*/
    InputStream in = new BufferedInputStream(uc.getInputStream());

    Reader r = new InputStreamReader(in);
    int c;
    while ((c = r.read()) != -1) {
        System.out.print((char) c);
    }
}

From source file:Main.java

public static void main(final String[] args) throws IOException {
    File infile = new File("/tmp/utf16.txt");
    FileInputStream inputStream = new FileInputStream(infile);
    Reader in = new InputStreamReader(inputStream, "UTF-16");
    int read;/*from   w  w w  .  ja v a 2s .co m*/
    while ((read = in.read()) != -1) {
        System.out.print(Character.toChars(read));
    }
    in.close();
}

From source file:MainClass.java

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

    String encoding = "ISO-8859-1";
    URL u = new URL("http://www.java2s.com");
    URLConnection uc = u.openConnection();
    String contentType = uc.getContentType();
    int encodingStart = contentType.indexOf("charset=");
    if (encodingStart != -1) {
        encoding = contentType.substring(encodingStart + 8);
    }// w w w.  j  a va  2 s  . c o  m
    InputStream in = new BufferedInputStream(uc.getInputStream());
    Reader r = new InputStreamReader(in, encoding);
    int c;
    while ((c = r.read()) != -1) {
        System.out.print((char) c);
    }
}

From source file:FileReaderWriterExample.java

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

    Reader r = new FileReader("in.txt");
    Writer w = new FileWriter("out.txt");
    int c;//from   w  w  w .  j a va2  s .  c om
    while ((c = r.read()) != -1) {
        System.out.print((char) c);
        w.write(c);
    }
    r.close();
    w.close();
}

From source file:Main.java

public static void main(String[] args) {
    try {//from   w  w  w. j  a v  a 2 s.co m
        String s = "tutorial from java2s.com";

        Reader reader = new StringReader(s);

        for (int i = 0; i < 5; i++) {
            char c = (char) reader.read();
            System.out.println(c);
        }

        reader.mark(10);

        for (int i = 0; i < 6; i++) {
            char c = (char) reader.read();
            System.out.println(c);
        }

        reader.reset();

        for (int i = 0; i < 6; i++) {
            char c = (char) reader.read();
            System.out.println(c);
        }
        reader.close();

    } catch (IOException ex) {
        ex.printStackTrace();
    }
}

From source file:Main.java

public static void main(String[] args) {
    String s = "tutorial from java2s.com";

    Reader reader = new StringReader(s);

    try {/*w  ww  . ja va  2 s .  co m*/
        for (int i = 0; i < 5; i++) {
            char c = (char) reader.read();
            System.out.print(c);
        }

        reader.mark(10);

        for (int i = 0; i < 6; i++) {
            char c = (char) reader.read();
            System.out.println(c);
        }

        reader.reset();

        for (int i = 0; i < 6; i++) {
            char c = (char) reader.read();
            System.out.println(c);
        }

        reader.close();

    } catch (IOException ex) {
        ex.printStackTrace();
    }
}