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org.jboss.deployment.scanner
Class URLDirectoryScanner.FileComparator  

java.lang.Object
  org.jboss.deployment.scanner.URLDirectoryScanner.FileComparator

All Implemented Interfaces:

java.util.Comparator

Enclosing class:

URLDirectoryScanner

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private static class URLDirectoryScanner.FileComparator

extends java.lang.Object

implements java.util.Comparator

This comparator is used by the dirScanner. It compares two url's (or Files) using the specified urlComparator. In the case of a tie, it then uses File's natural ordering. Finally, it normalizes all compare values so that "less-than" is always -1, "greater-than" is always 1, and "equals" is always 0.

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Field Summary
private  java.util.Comparator	urlComparator           the delegated URL comparator

 

Constructor Summary

URLDirectoryScanner.FileComparator(java.util.Comparator urlComparator)           Construct with a (possibly null) URL comparator

 

Method Summary
int	compare(java.lang.Object o1, java.lang.Object o2)           Compare all non-nulls as less than nulls.

 

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

 

Field Detail

urlComparator

private java.util.Comparator urlComparator

the delegated URL comparator

Constructor Detail

URLDirectoryScanner.FileComparator

public URLDirectoryScanner.FileComparator(java.util.Comparator urlComparator)

Construct with a (possibly null) URL comparator

Method Detail

compare

public int compare(java.lang.Object o1,
                   java.lang.Object o2)

Compare all non-nulls as less than nulls. Next, compare as URL's using the delegated comparator. And finally, use File's natural ordering.

Specified by:

compare in interface java.util.Comparator

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