Sort text with Custom rule using RuleBasedCollator

Description

Demo Code

import java.util.*;
import java.text.*;

public class RulesDemo {

    public static void sortStrings(Collator collator, String[] words) {
        String tmp;// www .  j  a  v  a  2  s .co m
        for (int i = 0; i < words.length; i++) {
            for (int j = i + 1; j < words.length; j++) {
                // Compare elements of the words array
                if (collator.compare(words[i], words[j]) > 0) {
                    // Swap words[i] and words[j] 
                    tmp = words[i];
                    words[i] = words[j];
                    words[j] = tmp;
                }
            }
        }
    }

    public static void printStrings(String[] words) {
        for (int i = 0; i < words.length; i++) {
            System.out.println(words[i]);
        }
    }

    static public void main(String[] args) {

        String englishRules = ("< a,A < b,B < c,C < d,D < e,E < f,F "
                + "< g,G < h,H < i,I < j,J < k,K < l,L "
                + "< m,M < n,N < o,O < p,P < q,Q < r,R "
                + "< s,S < t,T < u,U < v,V < w,W < x,X " + "< y,Y < z,Z");

        String smallnTilde = new String("\u00F1");
        String capitalNTilde = new String("\u00D1");

        String traditionalSpanishRules = ("< a,A < b,B < c,C "
                + "< ch, cH, Ch, CH " + "< d,D < e,E < f,F "
                + "< g,G < h,H < i,I < j,J < k,K < l,L "
                + "< ll, lL, Ll, LL " + "< m,M < n,N " + "< " + smallnTilde
                + "," + capitalNTilde + " " + "< o,O < p,P < q,Q < r,R "
                + "< s,S < t,T < u,U < v,V < w,W < x,X " + "< y,Y < z,Z");

        String[] words = { "luz", "curioso", "llama", "chalina" };

        try {
            RuleBasedCollator enCollator = new RuleBasedCollator(
                    englishRules);
            RuleBasedCollator spCollator = new RuleBasedCollator(
                    traditionalSpanishRules);

            sortStrings(enCollator, words);
            printStrings(words);

            System.out.println();

            sortStrings(spCollator, words);
            printStrings(words);
        } catch (ParseException pe) {
            System.out.println("Parse exception for rules");
        }
    }
}

/*
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 *
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 * modification, are permitted provided that the following conditions
 * are met:
 *
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 *     notice, this list of conditions and the following disclaimer.
 *
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 *     documentation and/or other materials provided with the distribution.
 *
 *   - Neither the name of Oracle or the names of its
 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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 */
Sort text with Custom rule using RuleBasedCollator - Java Internationalization

Description

Demo Code

Result

Related Tutorials
