de.alpharogroup.comparators

Class StringLengthComparator

java.lang.Object

de.alpharogroup.comparators.SortOrderComparator<java.lang.String>

de.alpharogroup.comparators.StringLengthComparator

All Implemented Interfaces:

java.util.Comparator<java.lang.String>

public class StringLengthComparator
extends de.alpharogroup.comparators.SortOrderComparator<java.lang.String>

The class StringLengthComparator compares String objects based on length. The default order is greater length come first. If length are equal then the natural ordering will be taken.

Field Summary

Fields inherited from class de.alpharogroup.comparators.SortOrderComparator

DEFAULT_SORT_ORDER

Constructor Summary

Constructors

Constructor and Description
StringLengthComparator()
StringLengthComparator(de.alpharogroup.comparators.SortOrder sortOrder) Instantiates a new StringLengthComparator.

Method Summary

Modifier and Type	Method and Description
int	compare(java.lang.String object, java.lang.String compareWithObject)
static java.util.Comparator<java.lang.String>	of() Factory method to create a new StringLengthComparator object.
static java.util.Comparator<java.lang.String>	of(boolean nullIsGreaterThan) Factory method to create a new StringLengthComparator object.
static java.util.Comparator<java.lang.String>	of(de.alpharogroup.comparators.SortOrder sortOrder) Factory method to create a new StringLengthComparator object.
static java.util.Comparator<java.lang.String>	of(de.alpharogroup.comparators.SortOrder sortOrder, boolean nullIsGreaterThan) Factory method to create a new StringLengthComparator object.

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

StringLengthComparator

public StringLengthComparator()

StringLengthComparator

public StringLengthComparator(de.alpharogroup.comparators.SortOrder sortOrder)

Instantiates a new StringLengthComparator.

Parameters:

sortOrder - the sort order

Method Detail

of

public static java.util.Comparator<java.lang.String> of()

Factory method to create a new StringLengthComparator object.

Returns:

the new StringLengthComparator object

of

public static java.util.Comparator<java.lang.String> of(boolean nullIsGreaterThan)

Factory method to create a new StringLengthComparator object.

Parameters:

nullIsGreaterThan - the flag that specifies if null objects is greater than non null objects.

Returns:

the new StringLengthComparator object

of

public static java.util.Comparator<java.lang.String> of(de.alpharogroup.comparators.SortOrder sortOrder)

Factory method to create a new StringLengthComparator object.

Parameters:

sortOrder - the sort order

Returns:

the new StringLengthComparator object

of

public static java.util.Comparator<java.lang.String> of(de.alpharogroup.comparators.SortOrder sortOrder,
                                                        boolean nullIsGreaterThan)

Factory method to create a new StringLengthComparator object.

Parameters:

nullIsGreaterThan - the flag that specifies if null objects is greater than non null objects

sortOrder - the sort order

Returns:

the new StringLengthComparator object

compare

public int compare(java.lang.String object,
                   java.lang.String compareWithObject)

Specified by:

compare in interface java.util.Comparator<java.lang.String>

Overrides:

compare in class de.alpharogroup.comparators.SortOrderComparator<java.lang.String>