com.phloc.commons.compare

Class ComparatorStringLongestFirst

java.lang.Object

com.phloc.commons.compare.AbstractComparator<String>

com.phloc.commons.compare.ComparatorStringLongestFirst

All Implemented Interfaces:

Serializable, Comparator<String>

public class ComparatorStringLongestFirst
extends AbstractComparator<String>

A special comparator that sorts String, but the longest strings come first. For all strings with an equal length, they are sorted in regular, non-collated order.

Author:

Philip Helger

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
ComparatorStringLongestFirst() Comparator without a nested comparator.
ComparatorStringLongestFirst(Comparator<? super String> aNestedComparator) Comparator with a nested comparator.

Method Summary

Methods

Modifier and Type	Method and Description
protected int	mainCompare(String sElement1, String sElement2)

Methods inherited from class com.phloc.commons.compare.AbstractComparator

compare, getSortOrder, setSortOrder

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

Constructor Detail

ComparatorStringLongestFirst

public ComparatorStringLongestFirst()

Comparator without a nested comparator.

ComparatorStringLongestFirst

public ComparatorStringLongestFirst(@Nullable
                            Comparator<? super String> aNestedComparator)

Comparator with a nested comparator.

Parameters:

aNestedComparator - The nested comparator to be invoked, when the main comparison resulted in 0.

Method Detail

mainCompare

protected int mainCompare(@Nonnull
              String sElement1,
              @Nonnull
              String sElement2)

Specified by:

mainCompare in class AbstractComparator<String>

Parameters:

sElement1 - First element to compare. No information on the null status.

sElement2 - Second element to compare. No information on the null status.

Returns:

a negative integer, zero, or a positive integer as the first argument is less than, equal to, or greater than the second.