public int compareTo(Object o) {
final String pattern = ((StringComparable) o).toString();
if (m_text.equals(pattern)) { // Code-point equals
return 0;
}
final int savedStrength = m_collator.getStrength();
int comp = 0;
// Is there difference more significant than case-order?
if (((savedStrength == Collator.PRIMARY) || (savedStrength == Collator.SECONDARY))) {
comp = m_collator.compare(m_text, pattern);
} else { // more than SECONDARY
m_collator.setStrength(Collator.SECONDARY);
comp = m_collator.compare(m_text, pattern);
m_collator.setStrength(savedStrength);
}
if (comp != 0) { // Difference more significant than case-order
return comp;
}
// No difference more significant than case-order.
// Find case difference
comp = getCaseDiff(m_text, pattern);
if (comp != 0) {
return comp;
} else { // No case differences. Less significant difference could exist
return m_collator.compare(m_text, pattern);
}
}
private final int getCaseDiff(final String text, final String pattern) {
final int savedStrength = m_collator.getStrength();
final int savedDecomposition = m_collator.getDecomposition();
m_collator.setStrength(Collator.TERTIARY); // not to ignore case
m_collator.setDecomposition(Collator.CANONICAL_DECOMPOSITION); // corresponds NDF
final int diff[] = getFirstCaseDiff(text, pattern, m_locale);
m_collator.setStrength(savedStrength); // restore
m_collator.setDecomposition(savedDecomposition); // restore
if (diff != null) {
if ((m_caseOrder).equals("upper-first")) {
if (diff[0] == UPPER_CASE) {
return -1;
} else {
return 1;
}
} else { // lower-first
if (diff[0] == LOWER_CASE) {
return -1;
} else {
return 1;
}
}
} else { // No case differences
return 0;
}
}
public StringComparable(
final String text, final Locale locale, final Collator collator, final String caseOrder) {
m_text = text;
m_locale = locale;
m_collator = (RuleBasedCollator) collator;
m_caseOrder = caseOrder;
m_mask = getMask(m_collator.getStrength());
}