ReverseFileComparator

java.lang.Object
- org.apache.commons.io.comparator.AbstractFileComparator
- - org.apache.commons.io.comparator.ReverseFileComparator

All Implemented Interfaces:

java.io.Serializable, java.util.Comparator<java.io.File>
```
final class ReverseFileComparator
extends AbstractFileComparator
implements java.io.Serializable
```
Reverses the result of comparing two File objects using the delegate Comparator.
Deprecating Serialization

Serialization is deprecated and will be removed in 3.0.

Since:

1.4

Field Summary

Fields
Modifier and Type Field Description

private java.util.Comparator<java.io.File> delegate

private static long serialVersionUID

Constructor Summary

Constructors
Constructor Description

ReverseFileComparator(java.util.Comparator<java.io.File> delegate)
Constructs an instance with the specified delegate Comparator.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`int`	`compare(java.io.File file1, java.io.File file2)`	Compares using the delegate Comparator, reversing the result.
`java.lang.String`	`toString()`	Returns the String representation of this file comparator.

Methods inherited from class org.apache.commons.io.comparator.AbstractFileComparator
sort, sort

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.Comparator
equals, reversed, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong

- Field Detail
  - serialVersionUID
```
private static final long serialVersionUID
```
    See Also:
    
    Constant Field Values
  - delegate
```
private final java.util.Comparator<java.io.File> delegate
```
- Constructor Detail
  - ReverseFileComparator
```
ReverseFileComparator(java.util.Comparator<java.io.File> delegate)
```
    Constructs an instance with the specified delegate Comparator.
    
    Parameters:
    
    delegate - The comparator to delegate to.
- Method Detail
  - compare
```
public int compare(java.io.File file1,
                   java.io.File file2)
```
    Compares using the delegate Comparator, reversing the result.
    
    Specified by:
    
    compare in interface java.util.Comparator<java.io.File>
    
    Parameters:
    
    file1 - The first file to compare.
    
    file2 - The second file to compare.
    
    Returns:
    
    the result from the delegate Comparator.compare(Object, Object) reversing the value, positive becomes negative and vice versa.
  - toString
```
public java.lang.String toString()
```
    Returns the String representation of this file comparator.
    
    Overrides:
    
    toString in class AbstractFileComparator
    
    Returns:
    
    String representation of this file comparator.