org.jahia.utils.comparator

Class NumericStringComparator<T>

java.lang.Object

org.jahia.utils.comparator.NumericStringComparator<T>

All Implemented Interfaces:

Serializable, Comparator<T>

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

This class allows sorting of string by their Numeric values also so A1,A10,A2 are sorted like A1,A2,A10 or 1B,10B,2B are sorted like 1B,2B,10B.

Author:

cedric.mailleux@jahia.com Date: 7 déc. 2006 Time: 17:48:00

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
NumericStringComparator(Locale locale)

Method Summary

Modifier and Type	Method and Description
int	compare(T c1, T c2) Compare between two objects, sort by their value
protected boolean	containsOnly(char[] chrs, char ch)
protected boolean	containsOnly(String str, char ch)
protected int	countZeroes(String str)
protected int	getFirstDigitIndex(char[] chrs, int start)
protected int	getFirstDigitIndex(String str)
protected int	getFirstDigitIndex(String str, int start)
protected int	getLastDigitIndex(char[] chrs, int start)
protected int	getLastDigitIndex(String str, int start)

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

Constructor Detail

NumericStringComparator

public NumericStringComparator(Locale locale)

Method Detail

compare

public int compare(T c1,
                   T c2)
            throws ClassCastException

Compare between two objects, sort by their value

Specified by:

compare in interface Comparator<T>

Parameters:

c1 -

c2 -

Throws:

ClassCastException

getFirstDigitIndex

protected int getFirstDigitIndex(String str)

getFirstDigitIndex

protected int getFirstDigitIndex(String str,
                                 int start)

getFirstDigitIndex

protected int getFirstDigitIndex(char[] chrs,
                                 int start)

getLastDigitIndex

protected int getLastDigitIndex(String str,
                                int start)

getLastDigitIndex

protected int getLastDigitIndex(char[] chrs,
                                int start)

countZeroes

protected int countZeroes(String str)

containsOnly

protected boolean containsOnly(String str,
                               char ch)

containsOnly

protected boolean containsOnly(char[] chrs,
                               char ch)