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/*
Wotonomy: OpenStep design patterns for pure Java applications.
Copyright (C) 2002 Israfil consulting Services Corporation
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, see http://www.gnu.org
$Id: NSComparator.java 913 2006-03-10 00:52:27Z cgruber $
*/
package net.wotonomy.foundation;
import java.util.Comparator;
/**
* An object that compares two other objects. As a convenience, it
* also implements java.util.Comparator.
*
* @author cgruber@israfil.net
* @author $Author: cgruber $
* @version $Revision: 913 $
*/
public abstract class NSComparator implements Comparator {
protected static class _NSSelectorComparator extends NSComparator {
public int compare(Object obj, Object obj1) throws ComparisonException {
throw new UnsupportedOperationException("Not Yet Implemented");
}
public _NSSelectorComparator(NSSelector nsselector) {
throw new UnsupportedOperationException("Not Yet Implemented");
}
}
private static class StandInComparator extends NSComparator {
public StandInComparator() {
throw new UnsupportedOperationException("Not Yet Implemented");
}
public int compare(Object obj, Object obj1) throws ComparisonException {
throw new UnsupportedOperationException("Not Yet Implemented");
}
}
public static class ComparisonException extends ClassCastException {
public ComparisonException(String s) {
super(s);
}
}
public static final NSComparator AscendingStringComparator = new StandInComparator();
public static final NSComparator DescendingStringComparator = new StandInComparator();
public static final NSComparator AscendingCaseInsensitiveStringComparator = new StandInComparator();
public static final NSComparator DescendingCaseInsensitiveStringComparator = new StandInComparator();
public static final NSComparator AscendingNumberComparator = new StandInComparator();
public static final NSComparator DescendingNumberComparator = new StandInComparator();
public static final NSComparator AscendingTimestampComparator = new StandInComparator();
public static final NSComparator DescendingTimestampComparator = new StandInComparator();
public static final int OrderedAscending = -1;
public static final int OrderedSame = 0;
public static final int OrderedDescending = 1;
public NSComparator() {
}
public abstract int compare(Object obj, Object obj1) throws ClassCastException;
public static int _compareObjects(Comparable comparable, Comparable comparable1) {
throw new UnsupportedOperationException("Not Yet Implemented");
}
}
/*
* $Log$
* Revision 1.2 2006/03/10 00:52:27 cgruber
* Add tests for NSArray and fix some problems that became obvious as a result.
*
* Revision 1.1 2006/02/16 12:47:16 cgruber
* Check in all sources in eclipse-friendly maven-enabled packages.
*
* Revision 1.1 2002/07/14 21:56:16 mpowers
* Contributions from cgruber.
*
* Revision 1.1 2002/06/25 07:52:56 cgruber
* Add quite a few abstract classes, interfaces, and classes. All API consistent with WebObjects, but with no implementation, nor any private or package access members from the original.
*
*/
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