private static String _sort(Object[] arr, String sortType, String sortOrder, String delimiter)
throws ExpressionException {
// check sortorder
boolean isAsc = true;
PageException ee = null;
if (sortOrder.equalsIgnoreCase("asc")) isAsc = true;
else if (sortOrder.equalsIgnoreCase("desc")) isAsc = false;
else
throw new ExpressionException(
"invalid sort order type [" + sortOrder + "], sort order types are [asc and desc]");
// text
if (sortType.equalsIgnoreCase("text")) {
TextComparator comp = new TextComparator(isAsc, false);
Arrays.sort(arr, comp);
ee = comp.getPageException();
}
// text no case
else if (sortType.equalsIgnoreCase("textnocase")) {
TextComparator comp = new TextComparator(isAsc, true);
Arrays.sort(arr, comp);
ee = comp.getPageException();
}
// numeric
else if (sortType.equalsIgnoreCase("numeric")) {
NumberComparator comp = new NumberComparator(isAsc);
Arrays.sort(arr, comp);
ee = comp.getPageException();
} else {
throw new ExpressionException(
"invalid sort type [" + sortType + "], sort types are [text, textNoCase, numeric]");
}
if (ee != null) {
throw new ExpressionException("invalid value to sort the list", ee.getMessage());
}
StringBuffer sb = new StringBuffer();
for (int i = 0; i < arr.length; i++) {
if (i != 0) sb.append(delimiter);
sb.append(arr[i]);
}
return sb.toString();
}
/**
* sort values of a array
*
* @param sortType search type (text,textnocase,numeric)
* @param sortOrder (asc,desc)
* @throws PageException
*/
public synchronized void sort(String sortType, String sortOrder) throws PageException {
if (getDimension() > 1)
throw new ExpressionException("only 1 dimensional arrays can be sorted");
// check sortorder
boolean isAsc = true;
PageException ee = null;
if (sortOrder.equalsIgnoreCase("asc")) isAsc = true;
else if (sortOrder.equalsIgnoreCase("desc")) isAsc = false;
else
throw new ExpressionException(
"invalid sort order type [" + sortOrder + "], sort order types are [asc and desc]");
// text
if (sortType.equalsIgnoreCase("text")) {
TextComparator comp = new TextComparator(isAsc, false);
// Collections.sort(list,comp);
Arrays.sort(arr, offset, offset + size, comp);
ee = comp.getPageException();
}
// text no case
else if (sortType.equalsIgnoreCase("textnocase")) {
TextComparator comp = new TextComparator(isAsc, true);
// Collections.sort(list,comp);
Arrays.sort(arr, offset, offset + size, comp);
ee = comp.getPageException();
}
// numeric
else if (sortType.equalsIgnoreCase("numeric")) {
NumberComparator comp = new NumberComparator(isAsc);
// Collections.sort(list,comp);
Arrays.sort(arr, offset, offset + size, comp);
ee = comp.getPageException();
} else {
throw new ExpressionException(
"invalid sort type [" + sortType + "], sort types are [text, textNoCase, numeric]");
}
if (ee != null) {
throw new ExpressionException("can only sort arrays with simple values", ee.getMessage());
}
}