Package com.topologi.diffx.load

Class AttributeComparator

java.lang.Object

com.topologi.diffx.load.AttributeComparator

All Implemented Interfaces:

Comparator<AttributeEvent>

final class AttributeComparator
extends Object
implements Comparator<AttributeEvent>

A comparator in order to put attributes in the correct order, that is in the alphabetical order of the attribute name and namespace URI.

Version:

10 May 2010

Constructor Summary

Constructors

Constructor	Description
AttributeComparator()

Method Summary

Modifier and Type	Method	Description
int	compare(AttributeEvent o1, AttributeEvent o2)	Compares two objects if they are attributes.
int	compare(AttributeEventImpl att1, AttributeEventImpl att2)	Compares two attribute events using their name.
int	compare(AttributeEventNSImpl att1, AttributeEventNSImpl att2)	Compares two simple attribute events using their name and namespace URI.
private static String	toCName(AttributeEventNSImpl att)	Returns a comparable name from the given attribute's namespace URI and name.

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

Constructor Details

AttributeComparator

AttributeComparator()

Method Details

compare

public int compare(AttributeEvent o1,
 AttributeEvent o2)
            throws ClassCastException

Compares two objects if they are attributes.

Specified by:

compare in interface Comparator<AttributeEvent>

Throws:

ClassCastException

compare

public int compare(AttributeEventImpl att1,
 AttributeEventImpl att2)

Compares two attribute events using their name.

Parameters:

att1 - The first attribute to be compared.

att2 - The second attribute to be compared.

Returns:

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

compare

public int compare(AttributeEventNSImpl att1,
 AttributeEventNSImpl att2)

Compares two simple attribute events using their name and namespace URI.

Parameters:

att1 - The first attribute to be compared.

att2 - The second attribute to be compared.

Returns:

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

toCName

private static String toCName(AttributeEventNSImpl att)

Returns a comparable name from the given attribute's namespace URI and name.

Parameters:

att - The attribute.

Returns:

The comparable name.