? DefaultFileComparator
java.lang.Object
org.apache.commons.io.comparator.DefaultFileComparator
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Serializable
,Comparator<File>
Compare two files using the default
File.compareTo(File)
method.
This comparator can be used to sort lists or arrays of files by using the default file comparison.
Example of sorting a list of files using the
DEFAULT_COMPARATOR
singleton instance:
List<File> list = ... ((AbstractFileComparator) DefaultFileComparator.DEFAULT_COMPARATOR).sort(list);
Example of doing a reverse sort of an array of files using the
DEFAULT_REVERSE
singleton instance:
File[] array = ... ((AbstractFileComparator) DefaultFileComparator.DEFAULT_REVERSE).sort(array);
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- 1.4
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????????????static final Comparator<File>
Singleton default comparator instancestatic final Comparator<File>
Singleton reverse default comparator instance -
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??????? java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
???????? java.util.Comparator
equals, reversed, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong
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DEFAULT_COMPARATOR
Singleton default comparator instance -
DEFAULT_REVERSE
Singleton reverse default comparator instance
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DefaultFileComparator
public DefaultFileComparator()
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compare
Compare the two files using theFile.compareTo(File)
method.- ???:
compare
????Comparator<File>
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file1
- The first file to comparefile2
- The second file to compare- ??:
- the result of calling file1's
File.compareTo(File)
with file2 as the parameter.
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sort
Sort an array of files.This method uses
Arrays.sort(Object[], Comparator)
and returns the original array.- ??:
files
- The files to sort, may be null- ??:
- The sorted array
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- 2.0
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sort
Sort a List of files.This method uses
Collections.sort(List, Comparator)
and returns the original list.- ??:
files
- The files to sort, may be null- ??:
- The sorted list
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- 2.0
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toString
String representation of this file comparator.
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