jodd.util

Class NaturalOrderComparator<T>

java.lang.Object

jodd.util.NaturalOrderComparator<T>

All Implemented Interfaces:

java.io.Serializable, java.util.Comparator<T>

public class NaturalOrderComparator<T>
extends java.lang.Object
implements java.util.Comparator<T>, java.io.Serializable

Probably the best natural strings comparator.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected boolean	ignoreAccents
protected boolean	ignoreCase
protected boolean	skipSpaces

Constructor Summary

Constructors

Constructor and Description
NaturalOrderComparator()
NaturalOrderComparator(boolean ignoreCase, boolean ignoreAccents, boolean skipSpaces)

Method Summary

Modifier and Type	Method and Description
int	compare(T o1, T o2)
protected int[]	compareDigits(java.lang.String str1, int ndx1, java.lang.String str2, int ndx2) Compare digits at certain position in two strings.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface java.util.Comparator

comparing, comparing, comparingDouble, comparingInt, comparingLong, equals, naturalOrder, nullsFirst, nullsLast, reversed, reverseOrder, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong

Field Detail

ignoreCase

protected final boolean ignoreCase

ignoreAccents

protected final boolean ignoreAccents

skipSpaces

protected final boolean skipSpaces

Constructor Detail

NaturalOrderComparator

public NaturalOrderComparator()

NaturalOrderComparator

public NaturalOrderComparator(boolean ignoreCase,
                              boolean ignoreAccents,
                              boolean skipSpaces)

Method Detail

compareDigits

protected int[] compareDigits(java.lang.String str1,
                              int ndx1,
                              java.lang.String str2,
                              int ndx2)

Compare digits at certain position in two strings. The longest run of digits wins. That aside, the greatest value wins.

Returns:

if numbers are different, only 1 element is returned.

compare

public int compare(T o1,
                   T o2)

Specified by:

compare in interface java.util.Comparator<T>