Package org.apache.tools.ant.types.resources.comparators

Class ResourceComparator

java.lang.Object

org.apache.tools.ant.ProjectComponent

org.apache.tools.ant.types.DataType

org.apache.tools.ant.types.resources.comparators.ResourceComparator

All Implemented Interfaces:

Cloneable, Comparator<Resource>

Direct Known Subclasses:

Content, Date, DelegatedResourceComparator, Exists, FileSystem, Name, Reverse, Size, Type

public abstract class ResourceComparator
extends DataType
implements Comparator<Resource>

Abstract Resource Comparator.

Since:

Ant 1.7

Field Summary

Fields inherited from class org.apache.tools.ant.types.DataType

checked, ref

Fields inherited from class org.apache.tools.ant.ProjectComponent

description, location, project

Constructor Summary

Constructors

Constructor	Description
ResourceComparator()

Method Summary

Modifier and Type	Method	Description
final int	compare(Resource foo, Resource bar)	Compare two objects.
boolean	equals(Object o)	Test for equality with this ResourceComparator.
int	hashCode()	Hashcode based on the rules for equality.
protected abstract int	resourceCompare(Resource foo, Resource bar)	Compare two Resources.

Methods inherited from class org.apache.tools.ant.types.DataType

checkAttributesAllowed, checkChildrenAllowed, circularReference, clone, dieOnCircularReference, dieOnCircularReference, dieOnCircularReference, getCheckedRef, getCheckedRef, getCheckedRef, getCheckedRef, getCheckedRef, getDataTypeName, getRefid, invokeCircularReferenceCheck, isChecked, isReference, noChildrenAllowed, pushAndInvokeCircularReferenceCheck, setChecked, setRefid, tooManyAttributes, toString

Methods inherited from class org.apache.tools.ant.ProjectComponent

getDescription, getLocation, getProject, log, log, setDescription, setLocation, setProject

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.Comparator

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

Constructor Details

ResourceComparator

public ResourceComparator()

Method Details

compare

public final int compare(Resource foo,
 Resource bar)

Compare two objects.

Specified by:

compare in interface Comparator<Resource>

Parameters:

foo - the first Object.

bar - the second Object.

Returns:

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

Throws:

ClassCastException - if either argument is null.

equals

public boolean equals(Object o)

Test for equality with this ResourceComparator.

Specified by:

equals in interface Comparator<Resource>

Overrides:

equals in class Object

Parameters:

o - the Object to compare against.

Returns:

true if the specified Object equals this one.

hashCode

public int hashCode()

Hashcode based on the rules for equality.

Overrides:

hashCode in class Object

Returns:

a hashcode.

resourceCompare

protected abstract int resourceCompare(Resource foo,
 Resource bar)

Compare two Resources.

Parameters:

foo - the first Resource.

bar - the second Resource.

Returns:

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