Example usage for java.lang Character toChars

Introduction

In this page you can find the example usage for java.lang Character toChars.

Prototype

public static char[] toChars(int codePoint)

Source Link

Document

Converts the specified character (Unicode code point) to its UTF-16 representation stored in a char array.

Usage

From source file:Main.java

public static void main(String[] args) {
    int cp = 0x006f;

    char[] ch = Character.toChars(cp);

    System.out.print("Char array having cp's UTF-16 representation is ");

    for (int i = 0; i < ch.length; i++) {
        System.out.print(ch[i]);//from  ww w  . j  a  va  2  s.  co m
    }
}

From source file:Main.java

public static void main(String[] args) {
    int cp = 0x0036;
    char dst[] = Character.toChars(cp);

    int res = Character.toChars(cp, dst, 0);

    if (res == 1) {
        System.out.println("It is a BMP code point");
    } else if (res == 2) {
        System.out.println("It is a is a supplementary code point");
    }/*from  ww w .  ja v  a2 s. c  om*/
}

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;//w w  w.  j  ava2  s.com
    while ((read = in.read()) != -1) {
        System.out.print(Character.toChars(read));
    }
    in.close();
}

From source file:Main.java

public static void main(String[] args) {

    JPanel ui = new JPanel(new BorderLayout(2, 2));
    ui.setBorder(new EmptyBorder(4, 4, 4, 4));

    JPanel controls = new JPanel(new BorderLayout(2, 2));
    ui.add(controls, BorderLayout.PAGE_START);
    String s = new String(Character.toChars(8594));
    String[] items = { "Choice: right " + s + " arrow" };
    JComboBox cb = new JComboBox(items);
    controls.add(cb, BorderLayout.CENTER);
    controls.add(new JButton("Button"), BorderLayout.LINE_END);

    JSplitPane sp = new JSplitPane(JSplitPane.VERTICAL_SPLIT, new JTextArea(4, 40), new JTextArea(4, 40));

    ui.add(sp, BorderLayout.CENTER);

    JFrame f = new JFrame("Stretch Combo Layout");
    f.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
    f.setContentPane(ui);/* w  ww. jav  a2 s .co  m*/
    f.pack();
    f.setLocationByPlatform(true);
    f.setVisible(true);

}

From source file:Main.java

static String getEmojiByUnicode(int unicode) {
    return new String(Character.toChars(unicode));
}

From source file:Main.java

public static String getDayFromNumber(int day) {
    if (day < 0 || day > 30)
        throw new IllegalArgumentException();
    if (day <= 10)
        return String.valueOf(Character.toChars(1487 + day));
    else if ((day >= 11 && day <= 14) || (day >= 16 && day <= 19)) {
        char yod = Character.toChars(1497)[0];
        return String.valueOf(new char[] { yod, Character.toChars(1487 + (day - 10))[0] });
    } else if (day == 15 || day == 16) {
        char tet = Character.toChars(1498)[0];
        return String.valueOf(new char[] { tet, Character.toChars(1487 + (day - 9))[0] });
    } else if (day == 20) {
        return String.valueOf(Character.toChars(1499)[0]);
    } else if (day >= 21 && day <= 29) {
        char chaf = Character.toChars(1499)[0];
        return String.valueOf(chaf + Character.toChars(1487 + (day - 20))[0]);
    } else {/* ww w .jav a 2  s. co  m*/
        return String.valueOf(Character.toChars(1500)[0]);
    }

}

From source file:Main.java

public static String getEmojiByUnicode(int unicode) {
    return new String(Character.toChars(unicode));
}

From source file:Main.java

public static String removeUnprintableCharacters(String str) {

    int len = str.length();
    StringBuffer buf = new StringBuffer();
    try {//from  w  ww .j a v a 2 s .c  o  m
        for (int i = 0; i < len; i++) {
            String rep = "";
            char cp = str.charAt(i);// the code point
            // Replace invisible control characters and unused code points
            switch (Character.getType(cp)) {
            case Character.CONTROL: // \p{Cc}
            case Character.FORMAT: // \p{Cf}
            case Character.PRIVATE_USE: // \p{Co}
            case Character.SURROGATE: // \p{Cs}
            case Character.UNASSIGNED: // \p{Cn}
                buf = buf.append(rep);
                break;
            default:
                char[] chars = Character.toChars(cp);
                buf = buf.append(chars);
                break;
            }
        }
    } catch (NullPointerException e) {
        e.printStackTrace();
        System.err.println("Confused: " + e);
    } catch (IllegalArgumentException e) {
        e.printStackTrace();
        System.err.println("Confused: " + e);
    } catch (IndexOutOfBoundsException e) {
        e.printStackTrace();
        System.err.println("Confused: " + e);
    } catch (Exception e) {
        e.printStackTrace();
        System.err.println("Confused: " + e);
    }

    return buf.toString();
}

From source file:Main.java

/**
 * Escapes the given text such that it can be safely embedded in a string literal
 * in Java source code.//  w  w  w.  j a  v a 2s.  co  m
 * 
 * @param text the text to escape
 * 
 * @return the escaped text
 */
public static String escapeToJavaString(String text) {
    if (text == null) {
        return null;
    }
    String result = text.replaceAll("\\\\", "\\\\\\\\").replaceAll("\"", "\\\\\"").replace("\b", "\\b")
            .replace("\f", "\\f").replace("\n", "\\n").replace("\r", "\\r").replace("\t", "\\t");
    StringBuilder complete = new StringBuilder();
    for (int i = 0; i < result.length(); i++) {
        int codePointI = result.codePointAt(i);
        if (codePointI >= 32 && codePointI <= 127) {
            complete.append(Character.toChars(codePointI));
        } else {
            // use Unicode representation
            complete.append("\\u");
            String hex = Integer.toHexString(codePointI);
            complete.append(getRepeatingString(4 - hex.length(), '0'));
            complete.append(hex);
        }
    }
    return complete.toString();
}

From source file:Main.java

/**
 * This method ensures that the output String has only valid XML unicode characters as specified by the
 * XML 1.0 standard. For reference, please see the
 * standard. This method will return an empty String if the input is null or empty.
 *
 * @param s - The String whose non-valid characters we want to replace.
 * @return The in String, where non-valid characters are replace by spaces.
 * @author Nuno Freire/*from  w w w . j  av a 2  s .  com*/
 */
public static String removeInvalidXMLCharacters(String s) {

    StringBuilder out = new StringBuilder(); // Used to hold the output.
    int codePoint; // Used to reference the current character.
    int i = 0;
    while (i < s.length()) {
        codePoint = s.codePointAt(i); // This is the unicode code of the character.
        if ((codePoint == 0x9) || // Consider testing larger ranges first to improve speed.
                (codePoint == 0xA) || (codePoint == 0xD) || ((codePoint >= 0x20) && (codePoint <= 0xD7FF))
                || ((codePoint >= 0xE000) && (codePoint <= 0xFFFD))
                || ((codePoint >= 0x10000) && (codePoint <= 0x10FFFF))) {
            out.append(Character.toChars(codePoint));
        } else {
            out.append(' ');
        }
        i += Character.charCount(codePoint); // Increment with the number of code units(java chars) needed to represent a Unicode char.
    }
    return out.toString();
}