| Code with Misuse: |
class PathComparator {
/*
* Compare path of two elements in reverse order (inner to outer)
* using a primary strength text collator.
* This will collate e, E, �, � together, but not eliminate non-identical
* strings which collate in the same place.
*
* @return equivalent of list1.compareTo(list2)
*/
private int comparePaths(Object o1, Object o2) {
List<String> path1 =
Model.getModelManagementHelper().getPathList(o1);
Collections.reverse(path1);
List<String> path2 =
Model.getModelManagementHelper().getPathList(o2);
Collections.reverse(path2);
Iterator<String> i2 = path2.iterator();
Iterator<String> i1 = path1.iterator();
int caseSensitiveComparison = 0;
while (i2.hasNext()) {
String name2 = i2.next();
if (!i1.hasNext()) {
return -1;
}
String name1 = i1.next();
int comparison;
if (name1 == null) {
if (name2 == null) {
comparison = 0;
} else {
comparison = -1;
}
} else if (name2 == null) {
comparison = 1;
} else {
comparison = collator.compare(name1, name2);
}
if (comparison != 0) {
return comparison;
}
// Keep track of first non-equal comparison to use in case the
// case-insensitive comparisons all end up equal
if (caseSensitiveComparison == 0) {
if (name1 == null) {
if (name2 == null) {
caseSensitiveComparison = 0;
} else {
caseSensitiveComparison = -1;
}
} else if (name2 == null) {
caseSensitiveComparison = 1;
} else {
caseSensitiveComparison = name1.compareTo(name2);
}
}
}
if (i2.hasNext()) {
return 1;
}
// If the strings differed only in non-primary characteristics at
// some point (case, accent, etc) pick an arbitrary, but stable,
// collating order.
if (caseSensitiveComparison != 0) {
return caseSensitiveComparison;
}
// It's illegal in UML to have multiple elements in a namespace with
// the same name, but if it happens, keep them distinct so the user
// has a chance of catching the error. Pick an arbitrary, but stable,
// collating order.
// We don't call them equal because otherwise one will get eliminated
// from the TreeSet where this comparator is used.
return o1.toString().compareTo(o2.toString());
}
}
|
