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com.fm.rss.comparator
Class rssDateComparator  

java.lang.Object
  com.fm.rss.comparator.RssItemComparator
      com.fm.rss.comparator.rssDateComparator

All Implemented Interfaces:

java.util.Comparator

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public class rssDateComparator

extends RssItemComparator

Compares RSS items by creation date

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Field Summary
(package private)  boolean	isReverse

 

Constructor Summary

rssDateComparator()

rssDateComparator(boolean isR)

 

Method Summary
int	compare(java.lang.Object o1, java.lang.Object o2)           Return an integer that is negative, zero or positive depending on whether the first argument is less than, equal to or greater than the second according to this ordering.
boolean	equals(java.lang.Object o)           Return true if the object is equal to this object.

 

Methods inherited from class java.lang.Object

clone, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

 

Field Detail

isReverse

boolean isReverse

Constructor Detail

rssDateComparator

public rssDateComparator()

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rssDateComparator

public rssDateComparator(boolean isR)

Method Detail

compare

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

Description copied from interface: java.util.Comparator

Return an integer that is negative, zero or positive depending on whether the first argument is less than, equal to or greater than the second according to this ordering. This method should obey the following contract:

• if compare(a, b) < 0 then compare(b, a) > 0
• if compare(a, b) throws an exception, so does compare(b, a)
• if compare(a, b) < 0 and compare(b, c) < 0 then compare(a, c) < 0
• if compare(a, b) == 0 then compare(a, c) and compare(b, c) must have the same sign

To be consistent with equals, the following additional constraint is in place:

• if a.equals(b) or both a and b are null, then compare(a, b) == 0.

Although it is permissible for a comparator to provide an order inconsistent with equals, that should be documented.

Specified by:

compare in interface java.util.Comparator

Specified by:

compare in class RssItemComparator

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equals

public boolean equals(java.lang.Object o)

Description copied from interface: java.util.Comparator

Return true if the object is equal to this object. To be considered equal, the argument object must satisfy the constraints of Object.equals(), be a Comparator, and impose the same ordering as this Comparator. The default implementation inherited from Object is usually adequate.

Specified by:

equals in interface java.util.Comparator

Specified by:

equals in class RssItemComparator

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