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package com.jclark.xsl.util;
import java.util.Locale;
import java.text.Collator;
public class TextComparator implements Comparator {
private Collator collator;
public static final int UPPER_FIRST = 1;
public static final int LOWER_FIRST = 2;
public static Comparator create(Locale locale, int caseOrder) {
TextComparator cmp = new TextComparator(locale);
// Might be better to handle this by diddling the rules
// JDK does lower-first; it would be better not to assume this
if ((caseOrder & UPPER_FIRST) == 0)
return cmp;
if (locale == null)
locale = locale.getDefault();
if (locale.getLanguage().equals("tr"))
return new TurkishSwapCaseComparator(cmp);
return new SwapCaseComparator(cmp);
}
private TextComparator(Locale locale) {
if (locale == null)
collator = Collator.getInstance();
else
collator = Collator.getInstance(locale);
collator.setStrength(Collator.TERTIARY);
}
public int compare(Object obj1, Object obj2) {
return collator.compare((String)obj1, (String)obj2);
}
}
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