Java String Accent toLatinUnaccented(String s)

Description

Converts a string with cyrillic text to unaccented latin.

License

Open Source License

Parameter

Parameter	Description
s	String to be converted

Return

The converted string

Declaration

public static String toLatinUnaccented(String s) 

Method Source Code

//package com.java2s;
//License from project: Open Source License 

import java.text.Normalizer;

public class Main {
    private static char[] cyr = { '\u0410', '\u0411', '\u0412', '\u0413',
            '\u0414', '\u0402', '\u0415', '\u0416', '\u0417', '\u0418',
            '\u0408', '\u041A', '\u041B', '\u041C', '\u041D', '\u041E',
            '\u041F', '\u0420', '\u0421', '\u0422', '\u040B', '\u0423',
            '\u0424', '\u0425', '\u0426', '\u0427', '\u0428', '\u0430',
            '\u0431', '\u0432', '\u0433', '\u0434', '\u0452', '\u0435',
            '\u0436', '\u0437', '\u0438', '\u0458', '\u043A', '\u043B',
            '\u043C', '\u043D', '\u043E', '\u043F', '\u0440', '\u0441',
            '\u0442', '\u045B', '\u0443', '\u0444', '\u0445', '\u0446',
            '\u0447', '\u0448' };
    private static char[] lat = { 'A', 'B', 'V', 'G', 'D', '\u0110', 'E',
            '\u017D', 'Z', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'R',
            'S', 'T', '\u0106', 'U', 'F', 'H', 'C', '\u010C', '\u0160',
            'a', 'b', 'v', 'g', 'd', '\u0111', 'e', '\u017e', 'z', 'i',
            'j', 'k', 'l', 'm', 'n', 'o', 'p', 'r', 's', 't', '\u0107',
            'u', 'f', 'h', 'c', '\u010d', '\u0161' };

    /**/*  www .  j  a  v  a2 s . co m*/
     * Converts a string with cyrillic text to unaccented latin.
     * 
     * @param s String to be converted
     * @return The converted string
     */
    public static String toLatinUnaccented(String s) {
        return removeAccents(toLatin(s));
    }

    /**
     * Removes accents from all letters according to Unicode spec.
     * @param s String to be unaccented.
     * @return Unaccented string.
     */
    public static String removeAccents(String s) {
        // Convert accented chars to equivalent unaccented char + dead char accent 
        // pair. See http://www.unicode.org/unicode/reports/tr15/tr15-23.html to 
        // understand the NFD transform.
        final String normalized = Normalizer.normalize(s,
                Normalizer.Form.NFD);
        // Remove the dead char accents, leaving just the unaccented chars.
        // Stripped string should have the same length as the original accented one.
        StringBuilder sb = new StringBuilder(s.length());

        for (int i = 0; i < normalized.length(); i++) {
            char c = normalized.charAt(i);
            if (c == '\u0111' || c == '\u0110') { //dodato jer normalizer nije pretvarao 
                sb.append("dj");
            } else if (Character.getType(c) != Character.NON_SPACING_MARK) {
                sb.append(c);
            }
        }
        return sb.toString();
    }

    /**
     * Converts a string with cyrillic text to latin.
     * 
     * @param s String to be converted
     * @return The converted string
     */
    public static String toLatin(String s) {
        String t = s;
        for (int i = 0; i < cyr.length; i++)
            t = t.replace(cyr[i], lat[i]);
        t = replace(t, "\u0409", "LJ");
        t = replace(t, "\u040A", "NJ");
        t = replace(t, "\u040F", "D\u017D");
        t = replace(t, "\u0459", "lj");
        t = replace(t, "\u045A", "nj");
        t = replace(t, "\u045F", "d\u017E");
        return t;
    }

    /** Replaces one substring with another in a given string.
     *
     *  @param s Container string
     *  @param src Substring to be replaced
     *  @param dest Replacement string
     *  @return Converted string
     */
    private static String replace(String s, String src, String dest) {
        StringBuffer retVal = new StringBuffer();
        int finishedPos = 0;
        int startPos = 0;
        int srcLen = src.length();
        while ((startPos = s.indexOf(src, startPos)) != -1) {
            if (startPos != finishedPos)
                retVal.append(s.substring(finishedPos, startPos));
            startPos += srcLen;
            retVal.append(dest);
            finishedPos = startPos;
        }
        if (finishedPos < s.length())
            retVal.append(s.substring(finishedPos));
        return retVal.toString();
    }
}

Related

1. stripAccents(String input)
2. stripAccents(String input)
3. stripAccents(String input)
4. stripAccents(String v)
5. stripAccentsToLowerCase(String str)
6. toUnaccented(String s)