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

/*** 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     
 * * <a href="http://www.w3.org/TR/2000/REC-xml-20001006#NT-Char">the     
 * * standard</a>. This method will return an empty     
 * * String if the input is null or empty.     
 * * @param in The String whose non-valid characters we want to remove.     
 * * @return The in String, stripped of non-valid characters.    
 *  *///from www . j a  va 2s.  co  m
public static String stripNonValidXMLCharacters(String s) {

    StringBuilder out = new StringBuilder(); // Used to hold the output.

    int codePoint; // Used to reference the current character.

    //String ss = "\ud801\udc00"; // This is actualy one unicode character, represented by two code units!!!.
    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));

        }

        i += Character.charCount(codePoint); // Increment with the number of code units(java chars) needed to represent a Unicode char. 

    }

    return out.toString();

}

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From source file:de.vandermeer.asciilist.commons.AlphaLiteralUtils.java

/**
 * Returns an alphanumeric literal representation of the given number using ASCII-7 upper case characters.
 * @param number to convert/*from  ww w . jav a2 s.c om*/
 * @return alphanumeric literal representation
 * @throws NotImplementedException if the number is out of bounds (currently smaller than 1 and larger than 26)
 */
public final static String toAscii(int number) {
    if (number < 1 || number > 26) {
        throw new NotImplementedException(
                "Alphanumeric literals supported 0<number<27 - number was: " + number);
    }
    return new String(Character.toChars(number + 64));
}

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From source file:de.vandermeer.asciilist.commons.ArabicLiteralUtils.java

/**
 * Returns an alphanumeric literal representation of the given number using UTF Circled Digit/Number characters.
 * @param number to convert//  w w w. j av  a 2s . c  o  m
 * @return alphanumeric literal representation
 * @throws NotImplementedException if the number is out of bounds (currently smaller than 1 and larger than 20)
 */
public final static String toCircledDigit(int number) {
    if (number < 1 || number > 20) {
        throw new NotImplementedException(
                "Arabic literals - UTF Circled Digit/Number - supported 0<number<21 - number was: " + number);
    }
    return new String(Character.toChars(number + 9311));
}

---

From source file:de.vandermeer.asciilist.commons.AlphaLiteralUtils.java

/**
 * Returns an alphanumeric literal representation of the given number using ASCII-7 lower case characters.
 * @param number to convert//w  w  w  .j  a v a  2s.c  om
 * @return alphanumeric literal representation
 * @throws NotImplementedException if the number is out of bounds (currently smaller than 1 and larger than 26)
 */
public final static String toAsciiLC(int number) {
    if (number < 1 || number > 26) {
        throw new NotImplementedException(
                "Alphanumeric literals supported 0<number<27 - number was: " + number);
    }
    return new String(Character.toChars(number + 96));
}

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From source file:Main.java

/**
 * Converts a single code point into valid XML. Output stream must convert stream
 * to UTF-8 when saving to disk.// w w w.j  av a  2s .c  o m
 */
public static String escapeXMLChars(int cp) {
    switch (cp) {
    // case '\'':
    // return "'";
    case '&':
        return "&";
    case '>':
        return ">";
    case '<':
        return "&lt;";
    case '"':
        return "&quot;";
    default:
        return String.valueOf(Character.toChars(cp));
    }
}

---

From source file:de.uzk.hki.da.passwordEncryptor.passwordEncryptor.java

private static String encryptPasswordForMicroservices(String password) {

    String result = "";

    int cryptTable[] = { 1323, 1213, 4312, 3323, 2034, 3109, 3424, 1214, 1134, 4454, 4599, 3646, 3534, 2523,
            2435, 2870, 4345, 3124, 3656, 2777, 3232, 1834, 1235, 1545, 2742, 1099, 3631, 2243, 3173, 2421,
            3129, 1037 };//from   w  w w .j  a v  a2s  . c o m

    for (int i = 0; i < password.length(); i++) {
        int c = password.charAt(i);
        c += cryptTable[i % 32];
        String d = new String(Character.toChars(c / 85 + 40));
        String e = new String(Character.toChars(c % 85 + 40));

        result += e;
        result += d;
    }

    return result;
}

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From source file:de.vandermeer.asciithemes.u8.U8_NumberingSchemes.java

/**
 * Numbering scheme using UTF Circled Latin Capital (upper case) characters `-?`.
 * /*www. ja va2s  .c  o  m*/
 * ----
 *  item 1
 *  item 2
 *  item 3
 * ...
 * ? item 26
 * ----
 * 
 * @return the line
 */
public static TA_Numbering AlphaCircledLatin() {
    return new TA_Numbering() {
        @Override
        public String getNumber(int number) {
            Validate.validState(0 < number && number < 27,
                    "numbering supported 0<number<27 - number was: " + number);
            return new String(Character.toChars(number + 9397));
        }

        @Override
        public int getMinNumber() {
            return 1;
        }

        @Override
        public int getMaxNumber() {
            return 26;
        }

        @Override
        public String getDescription() {
            return "numbering scheme using UTF Circled Latin Capital (upper case) characters '-?'";
        }
    };
}

---

From source file:com.maddyhome.idea.vim.helper.StringHelper.java

@NotNull
public static String escape(@NotNull List<KeyStroke> keys) {
    final StringBuffer res = new StringBuffer();
    for (KeyStroke key : keys) {
        final char c = key.getKeyChar();
        final int modifiers = key.getModifiers();
        final int code = key.getKeyCode();
        if (c < ' ') {
            res.append('^').append((char) (c + 'A' - 1));
        } else if (c == '\n') {
            res.append("^J");
        } else if (c == '\t') {
            res.append("^I");
        } else if (c == '\u0000') {
            res.append("^@");
        } else if ((modifiers & KeyEvent.CTRL_DOWN_MASK) != 0) {
            final char[] chars = Character.toChars(code);
            if (chars.length == 1) {
                res.append("^");
                res.append(chars);//from w w w.j  a  v  a 2s .c om
            }
        } else {
            res.append(c);
        }
    }
    return res.toString();
}

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From source file:gov.va.vinci.leo.tools.XmiFilterTest.java

@Test
public void testXmlStringInput() throws Exception {
    String text = "this is a test." + String.valueOf(Character.toChars(26));
    assertTrue(StringUtils.isNotBlank(text));
    XmlFilter xf = new XmlFilter();
    String filtered = xf.filter(text);
    assertTrue("this is a test. ".equals(filtered));
}

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From source file:cn.edu.zjnu.acm.judge.config.UnicodeTest.java

@Test
public void testUnicode() throws SQLException {
    int x = 0x1f602;
    String laughCry = new String(Character.toChars(x));
    test0(laughCry);//from ww w.ja v  a  2  s . co  m
    for (int i = 2; i < 123; ++i) {
        test0(Strings.repeat(laughCry, 123));
    }
}

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