NaturalOrderComparator

java.lang.Object

jodd.util.NaturalOrderComparator<T>

All Implemented Interfaces:: Serializable, Comparator<T>

public class NaturalOrderComparator<T> extends Object implements Comparator<T>, Serializable

Probably the best natural strings comparator.

See Also:

Field Summary

Fields

Modifier and Type

Field

Description

private static final char[]

ACCENT_CHARS

protected final boolean

ignoreAccents

protected final boolean

ignoreCase

protected final boolean

skipSpaces
Constructor Summary

Constructors

Constructor

Description

NaturalOrderComparator()

NaturalOrderComparator(boolean ignoreCase, boolean ignoreAccents, boolean skipSpaces)
Method Summary

Modifier and Type

Method

Description

private static char

charAt(String string, int ndx)

Safe charAt that returns 0 when ndx is out of boundaries.

int

compare(T o1, T o2)

protected int[]

compareDigits(String str1, int ndx1, String str2, int ndx2)

Compare digits at certain position in two strings.

private char

fixAccent(char c)

Fixes accent char.

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
equals, reversed, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong

Field Details
- ACCENT_CHARS
  
  private static final char[] ACCENT_CHARS
- ignoreCase
  
  protected final boolean ignoreCase
- ignoreAccents
  
  protected final boolean ignoreAccents
- skipSpaces
  
  protected final boolean skipSpaces
Constructor Details
- NaturalOrderComparator
  
  public NaturalOrderComparator()
- NaturalOrderComparator
  
  public NaturalOrderComparator(boolean ignoreCase, boolean ignoreAccents, boolean skipSpaces)
Method Details
- compareDigits
  
  protected int[] compareDigits(String str1, int ndx1, 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 Comparator<T>
- fixAccent
  
  private char fixAccent(char c)
  
  Fixes accent char.
- charAt
  
  private static char charAt(String string, int ndx)
  
  Safe charAt that returns 0 when ndx is out of boundaries.