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Thread: Sort in Cyrilic order

  1. #1
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    Default Sort in Cyrilic order

    Hi. I've written a comparator for cyrilic sort.
    Problem is when I try to compare words its happend that for example
    words with first letter "J" are before words with first letter "A".
    What's wrong with my code?
    If, already exist comparator for cyrilic sort, please tell me about it, or
    if there is any other way to sort words in cyrilic order, explain me how it
    can be done.

    import java.util.Comparator;
     
    class MyComparator implements Comparator<String> {
    	private String cyrilic = "АаБбВвГгДдЂђЕеЖжЗзИиЈјКкЛлЉљМмНнЊњОоПпРрСсТтЋћУуФфХхЦцЧчЏџШш";
    	private static final int NUMBER_OF_CYRILIC_LETTERS = 60;
     
        public int compare(String word1, String word2) {
     
    		String firstWord, secondWord;
    		String shorterWord, longerWord;
    		int shorterFirstWord = -1;
     
    		firstWord = word1;
    		secondWord = word2;
     
    		if(firstWord.length() < secondWord.length()) {
    			shorterWord = firstWord;
    			longerWord = secondWord;
    			shorterFirstWord = -1;
    		}
    		else {
    			shorterWord = secondWord;
    			longerWord = firstWord;
    			shorterFirstWord = 1;
    		}
     
    		if(shorterWord.equals(longerWord.substring(0, shorterWord.length()-1))) {
    			return shorterFirstWord;
    		}
     
    			for(int i = 0; i < shorterWord.length(); i++) {
    				for(int j = 0; j < NUMBER_OF_CYRILIC_LETTERS; j++) {
    					if((firstWord.charAt(i) == cyrilic.charAt(j)) && (secondWord.charAt(i) != cyrilic.charAt(j)))
    						return -1;
    					else if ((firstWord.charAt(i) != cyrilic.charAt(j)) && (secondWord.charAt(i) == cyrilic.charAt(j)))
    						return 1;
    					else return 0;
    				}
    			}
    		return 0;
    	}
     
    	public boolean equals(Object obj) {
    		String rec = (String)obj;
    		if(rec.equals(this))
    			return true;
    		return false;
    	}
    }


  2. #2
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    Default Re: Sort in Cyrilic order

    Why don't you use string comparison operators, instead of making your own comparative functions by the way???

  3. #3
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    Default Re: Sort in Cyrilic order

    Give me an example of comparison operators.

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    Default Re: Sort in Cyrilic order

    If you want a lexicographic sort, just use String.compareTo(..). If that's not suitable, you could look at CharSet encodings and comparison using StringBuffer.

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