package railo.runtime.type.comparator;
import railo.runtime.exp.PageException;
import railo.runtime.op.Caster;
/**
* Implementation of a Comparator, compares to Softregister Objects
*/
public final class SortRegisterComparator implements ExceptionComparator {
private boolean isAsc;
private PageException pageException=null;
private boolean ignoreCase;
/**
* constructor of the class
* @param isAsc is ascending or descending
* @param ignoreCase do ignore case
*/
public SortRegisterComparator(boolean isAsc, boolean ignoreCase) {
this.isAsc=isAsc;
this.ignoreCase=ignoreCase;
}
/**
* @return Returns the expressionException.
*/
public PageException getPageException() {
return pageException;
}
@Override
public int compare(Object oLeft, Object oRight) {
try {
if(pageException!=null) return 0;
else if(isAsc) return compareObjects(oLeft, oRight);
else return compareObjects(oRight, oLeft);
} catch (PageException e) {
pageException=e;
return 0;
}
}
private int compareObjects(Object oLeft, Object oRight) throws PageException {
String strLeft=Caster.toString(((SortRegister)oLeft).getValue());
String strRight=Caster.toString(((SortRegister)oRight).getValue());
if(ignoreCase) return strLeft.compareToIgnoreCase(strRight);
return strLeft.compareTo(strRight);
}
}