Example usage for java.nio.charset Charset encode

List of usage examples for java.nio.charset Charset encode

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Introduction

In this page you can find the example usage for java.nio.charset Charset encode.

Prototype

public final ByteBuffer encode(String str)

Source Link

Document

Convenience method that encodes a string into bytes in this charset.

Usage

From source file:Main.java

public static void main(String[] args) {
    Charset csets = Charset.forName("UTF-16LE");

    System.out.println(csets.name() + ":");
    print(csets.encode("java2s.com"));

}

From source file:Main.java

public static void main(String[] args) {
    ByteBuffer bb = ByteBuffer.wrap(new byte[] { 0, 0, 0, 0, 0, 0, 0, (byte) 'a' });
    System.out.println("Initial Byte Buffer");
    print(bb);/* w  w  w  .j  a va 2 s  . com*/
    Charset csets = Charset.forName("UTF-8");

    System.out.println(csets.name() + ":");
    print(csets.encode(bb.asCharBuffer()));
    csets.decode(bb);
    bb.rewind();

}

From source file:Main.java

public static void main(String[] args) {
    ByteBuffer bb = ByteBuffer.wrap(new byte[] { (byte) 'j', (byte) 'a', (byte) 'v', (byte) 'a', (byte) '2' });
    System.out.println("Initial Byte Buffer");
    print(bb);//from   w  ww  . j av  a 2  s .  c om
    Charset csets = Charset.forName("UTF-8");

    System.out.println(csets.name() + ":");
    print(csets.encode(bb.asCharBuffer()));
    csets.decode(bb);
    bb.rewind();

}

From source file:MainClass.java

public static void main(String[] args) {
    ByteBuffer bb = ByteBuffer.wrap(new byte[] { 0, 0, 0, 0, 0, 0, 0, (byte) 'a' });
    System.out.println("Initial Byte Buffer");
    print(bb);/* w ww.j  a  va2 s. c  o m*/
    Charset csets = Charset.forName("UTF-16BE");

    System.out.println(csets.name() + ":");
    print(csets.encode(bb.asCharBuffer()));
    csets.decode(bb);
    bb.rewind();

}

From source file:Main.java

public static void main(String[] args) {
    ByteBuffer bb = ByteBuffer
            .wrap(new byte[] { (byte) 'j', (byte) 'a', (byte) 'v', (byte) 'a', (byte) '2', (byte) 's' });
    print(bb);// w ww.ja v a2 s. c  o  m
    Charset csets = Charset.forName("UTF-16LE");

    System.out.println(csets.name() + ":");
    print(csets.encode(bb.asCharBuffer()));
    csets.decode(bb);
    bb.rewind();

}

From source file:Main.java

public static void main(String[] args) {
    ByteBuffer bb = ByteBuffer.wrap(new byte[] { 0, 0, 0, 0, 0, 0, 0, (byte) 'a' });
    System.out.println("Initial Byte Buffer");
    print(bb);/*from  ww  w . j a va2s.  c o m*/
    Charset csets = Charset.forName("ISO-8859-1");

    System.out.println(csets.name() + ":");
    print(csets.encode(bb.asCharBuffer()));
    csets.decode(bb);
    bb.rewind();

}

From source file:MainClass.java

public static void main(String[] args) {
    ByteBuffer bb = ByteBuffer.wrap(new byte[] { 0, 0, 0, 0, 0, 0, 0, (byte) 'a' });
    System.out.println("Initial Byte Buffer");
    print(bb);//w  w  w . ja va 2s  . co m
    Charset csets = Charset.forName("US-ASCII");

    System.out.println(csets.name() + ":");
    print(csets.encode(bb.asCharBuffer()));
    csets.decode(bb);
    bb.rewind();

}

From source file:MainClass.java

public static void main(String[] args) {
    ByteBuffer bb = ByteBuffer.wrap(new byte[] { 0, 0, 0, 0, 0, 0, 0, (byte) 'a' });
    System.out.println("Initial Byte Buffer");
    print(bb);// w ww.  j  a  va2  s.  co  m
    Charset csets = Charset.forName("UTF-16LE");

    System.out.println(csets.name() + ":");
    print(csets.encode(bb.asCharBuffer()));
    csets.decode(bb);
    bb.rewind();

}

From source file:HttpGet.java

public static void main(String[] args) {
    SocketChannel server = null; // Channel for reading from server
    FileOutputStream outputStream = null; // Stream to destination file
    WritableByteChannel destination; // Channel to write to it

    try { // Exception handling and channel closing code follows this block

        // Parse the URL. Note we use the new java.net.URI, not URL here.
        URI uri = new URI(args[0]);

        // Now query and verify the various parts of the URI
        String scheme = uri.getScheme();
        if (scheme == null || !scheme.equals("http"))
            throw new IllegalArgumentException("Must use 'http:' protocol");

        String hostname = uri.getHost();

        int port = uri.getPort();
        if (port == -1)
            port = 80; // Use default port if none specified

        String path = uri.getRawPath();
        if (path == null || path.length() == 0)
            path = "/";

        String query = uri.getRawQuery();
        query = (query == null) ? "" : '?' + query;

        // Combine the hostname and port into a single address object.
        // java.net.SocketAddress and InetSocketAddress are new in Java 1.4
        SocketAddress serverAddress = new InetSocketAddress(hostname, port);

        // Open a SocketChannel to the server
        server = SocketChannel.open(serverAddress);

        // Put together the HTTP request we'll send to the server.
        String request = "GET " + path + query + " HTTP/1.1\r\n" + // The request
                "Host: " + hostname + "\r\n" + // Required in HTTP 1.1
                "Connection: close\r\n" + // Don't keep connection open
                "User-Agent: " + HttpGet.class.getName() + "\r\n" + "\r\n"; // Blank
                                                                            // line
                                                                            // indicates
                                                                            // end of
                                                                            // request
                                                                            // headers

        // Now wrap a CharBuffer around that request string
        CharBuffer requestChars = CharBuffer.wrap(request);

        // Get a Charset object to encode the char buffer into bytes
        Charset charset = Charset.forName("ISO-8859-1");

        // Use the charset to encode the request into a byte buffer
        ByteBuffer requestBytes = charset.encode(requestChars);

        // Finally, we can send this HTTP request to the server.
        server.write(requestBytes);//from  w  w  w.  j  a  v a 2 s.  c  o m

        // Set up an output channel to send the output to.
        if (args.length > 1) { // Use a specified filename
            outputStream = new FileOutputStream(args[1]);
            destination = outputStream.getChannel();
        } else
            // Or wrap a channel around standard out
            destination = Channels.newChannel(System.out);

        // Allocate a 32 Kilobyte byte buffer for reading the response.
        // Hopefully we'll get a low-level "direct" buffer
        ByteBuffer data = ByteBuffer.allocateDirect(32 * 1024);

        // Have we discarded the HTTP response headers yet?
        boolean skippedHeaders = false;
        // The code sent by the server
        int responseCode = -1;

        // Now loop, reading data from the server channel and writing it
        // to the destination channel until the server indicates that it
        // has no more data.
        while (server.read(data) != -1) { // Read data, and check for end
            data.flip(); // Prepare to extract data from buffer

            // All HTTP reponses begin with a set of HTTP headers, which
            // we need to discard. The headers end with the string
            // "\r\n\r\n", or the bytes 13,10,13,10. If we haven't already
            // skipped them then do so now.
            if (!skippedHeaders) {
                // First, though, read the HTTP response code.
                // Assume that we get the complete first line of the
                // response when the first read() call returns. Assume also
                // that the first 9 bytes are the ASCII characters
                // "HTTP/1.1 ", and that the response code is the ASCII
                // characters in the following three bytes.
                if (responseCode == -1) {
                    responseCode = 100 * (data.get(9) - '0') + 10 * (data.get(10) - '0')
                            + 1 * (data.get(11) - '0');

                    // If there was an error, report it and quit
                    // Note that we do not handle redirect responses.
                    if (responseCode < 200 || responseCode >= 300) {
                        System.err.println("HTTP Error: " + responseCode);
                        System.exit(1);
                    }
                }

                // Now skip the rest of the headers.
                try {
                    for (;;) {
                        if ((data.get() == 13) && (data.get() == 10) && (data.get() == 13)
                                && (data.get() == 10)) {
                            skippedHeaders = true;
                            break;
                        }
                    }
                } catch (BufferUnderflowException e) {
                    // If we arrive here, it means we reached the end of
                    // the buffer and didn't find the end of the headers.
                    // There is a chance that the last 1, 2, or 3 bytes in
                    // the buffer were the beginning of the \r\n\r\n
                    // sequence, so back up a bit.
                    data.position(data.position() - 3);
                    // Now discard the headers we have read
                    data.compact();
                    // And go read more data from the server.
                    continue;
                }
            }

            // Write the data out; drain the buffer fully.
            while (data.hasRemaining())
                destination.write(data);

            // Now that the buffer is drained, put it into fill mode
            // in preparation for reading more data into it.
            data.clear(); // data.compact() also works here
        }
    } catch (Exception e) { // Report any errors that arise
        System.err.println(e);
        System.err.println("Usage: java HttpGet <URL> [<filename>]");
    } finally { // Close the channels and output file stream, if needed
        try {
            if (server != null && server.isOpen())
                server.close();
            if (outputStream != null)
                outputStream.close();
        } catch (IOException e) {
        }
    }
}

From source file:edu.ku.brc.specify.tools.StrLocalizerApp.java

/**
  * @param args/*from  w w  w .  j av a  2s.c  o m*/
  */
public static void main(String[] args) {
    setAppName("Specify"); //$NON-NLS-1$
    System.setProperty(AppPreferences.factoryName, "edu.ku.brc.specify.config.AppPrefsDBIOIImpl"); // Needed by AppReferences //$NON-NLS-1$

    for (String s : args) {
        String[] pairs = s.split("="); //$NON-NLS-1$
        if (pairs.length == 2) {
            if (pairs[0].startsWith("-D")) //$NON-NLS-1$
            {
                //System.err.println("["+pairs[0].substring(2, pairs[0].length())+"]["+pairs[1]+"]");
                System.setProperty(pairs[0].substring(2, pairs[0].length()), pairs[1]);
            }
        } else {
            String symbol = pairs[0].substring(2, pairs[0].length());
            //System.err.println("["+symbol+"]");
            System.setProperty(symbol, symbol);
        }
    }

    // Now check the System Properties
    String appDir = System.getProperty("appdir");
    if (StringUtils.isNotEmpty(appDir)) {
        UIRegistry.setDefaultWorkingPath(appDir);
    }

    String appdatadir = System.getProperty("appdatadir");
    if (StringUtils.isNotEmpty(appdatadir)) {
        UIRegistry.setBaseAppDataDir(appdatadir);
    }

    // Then set this
    IconManager.setApplicationClass(Specify.class);
    IconManager.loadIcons(XMLHelper.getConfigDir("icons.xml")); //$NON-NLS-1$
    //ImageIcon icon = IconManager.getIcon("AppIcon", IconManager.IconSize.Std16);

    try {
        ResourceBundle.getBundle("resources", Locale.getDefault()); //$NON-NLS-1$

    } catch (MissingResourceException ex) {
        Locale.setDefault(Locale.ENGLISH);
        UIRegistry.setResourceLocale(Locale.ENGLISH);
    }

    try {
        if (!System.getProperty("os.name").equals("Mac OS X")) {
            UIManager.setLookAndFeel(new Plastic3DLookAndFeel());
            PlasticLookAndFeel.setPlasticTheme(new DesertBlue());
        }
    } catch (Exception e) {
        //whatever
    }
    AppPreferences localPrefs = AppPreferences.getLocalPrefs();
    localPrefs.setDirPath(UIRegistry.getAppDataDir());

    boolean doIt = false;
    if (doIt)

    {
        Charset utf8charset = Charset.forName("UTF-8");
        Charset iso88591charset = Charset.forName("ISO-8859-1");

        ByteBuffer inputBuffer = ByteBuffer.wrap(new byte[] { (byte) 0xC3, (byte) 0xA2 });

        // decode UTF-8
        CharBuffer data = utf8charset.decode(inputBuffer);

        // encode ISO-8559-1
        ByteBuffer outputBuffer = iso88591charset.encode(data);
        byte[] outputData = outputBuffer.array();
        System.out.println(new String(outputData));
        return;
    }

    SwingUtilities.invokeLater(new Runnable() {
        @Override
        public void run() {
            try {
                UIHelper.OSTYPE osType = UIHelper.getOSType();
                if (osType == UIHelper.OSTYPE.Windows) {
                    UIManager.setLookAndFeel(new PlasticLookAndFeel());
                    PlasticLookAndFeel.setPlasticTheme(new ExperienceBlue());

                } else if (osType == UIHelper.OSTYPE.Linux) {
                    UIManager.setLookAndFeel(new PlasticLookAndFeel());
                }
            } catch (Exception e) {
                log.error("Can't change L&F: ", e); //$NON-NLS-1$
            }

            JFrame frame = new JFrame(getResourceString("StrLocalizerApp.AppTitle"));
            frame.setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE);
            final StrLocalizerApp sl = new StrLocalizerApp();
            sl.addMenuBar(frame);
            frame.setContentPane(sl);
            frame.setSize(768, 1024);

            //Dimension size = frame.getPreferredSize();
            //size.height = 500;
            //frame.setSize(size);
            frame.addWindowListener(sl);
            IconManager.setApplicationClass(Specify.class);
            frame.setIconImage(IconManager.getImage(IconManager.makeIconName("SpecifyWhite32")).getImage());
            UIHelper.centerAndShow(frame);

            SwingUtilities.invokeLater(new Runnable() {
                @Override
                public void run() {
                    sl.startUp();
                }
            });
        }
    });
}