package railo.runtime.type.comparator;
import java.util.Comparator;
import railo.runtime.exp.ExpressionException;
import railo.runtime.exp.PageException;
import railo.runtime.exp.PageRuntimeException;
import railo.runtime.op.Caster;
/**
* comparator implementation to compare textes
*/
public final class TextComparator implements Comparator {
private boolean isAsc;
private boolean ignoreCase;
/**
* constructor of the class
* @param isAsc ascending or desending
* @param ignoreCase ignore case or not
*/
public TextComparator(boolean isAsc, boolean ignoreCase) {
this.isAsc=isAsc;
this.ignoreCase=ignoreCase;
}
@Override
public int compare(Object oLeft, Object oRight) {
try {
if(isAsc) return compareObjects(oLeft, oRight);
return compareObjects(oRight, oLeft);
}
catch (PageException e) {
throw new PageRuntimeException(new ExpressionException("can only sort arrays with simple values",e.getMessage()));
}
}
private int compareObjects(Object oLeft, Object oRight) throws PageException {
if(ignoreCase)return Caster.toString(oLeft).compareToIgnoreCase(Caster.toString(oRight));
return Caster.toString(oLeft).compareTo(Caster.toString(oRight));
}
}