Retrieve Directory File List in Timestamp Order
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Key: LANG-382
URL: https://issues.apache.org/jira/browse/LANG-382
Project: Commons Lang
Issue Type: New Feature
Environment: Java SE 5. Windows and SuSe Linux.
Reporter: Al Scherer
I searched your current Commons-Lang issues/feature requests and did not find
the following so I'd like to propose it as a feature request.
Given a filename filter and dir name, the new method would return a List<File>
of the files that match the filter in last-modified timestamp order.
I've not found code out there that does this.
Sun explicitly does not - from the Sun Java SE 5 API Javadocs, File's
listFiles() method descriptions include the following disclaimer:
"There is no guarantee that the name strings in the resulting array
will appear in any specific order; they are not, in particular, guaranteed to
appear in alphabetical order."
I needed the files in last-modified order so I wrote code to do it. I would be
glad to share the code with the commons project if you feel it would be
worthwhile. The signature would be:
- public List<File> getFileListModifiedTimestampOrder(FilenameFilter filter,
String dirName)
I've already written, tested and used code to do this.
There are additional flavors that might be worthwhile, too.
- public List<File> getFileListModifiedTimestampOrderReversed(FilenameFilter
filter, String dirName)
- public List<File> getFileListNameOrder(FilenameFilter filter, String dirName)
- public List<File> getFileListNameOrderReversed(FilenameFilter filter, String
dirName)
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