Package kilim.analysis

Class FileLister

java.lang.Object

kilim.analysis.FileLister

All Implemented Interfaces:

Iterable<FileLister.Entry>

public class FileLister
extends Object
implements Iterable<FileLister.Entry>

Utility class to present a uniform iterator interface for file containers; presently includes directories and jar files.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	FileLister.Entry

Field Summary

Fields

Modifier and Type	Field	Description
(package private) WeakReference<FileContainer>	containerRef	weak ref to a container to avoid hanging on to an open jar file.
(package private) String	name

Constructor Summary

Constructors

Constructor	Description
FileLister(String dirOrJarName)

Method Summary

Modifier and Type	Method	Description
static boolean	check(String src, String dst)	check if dst is up to date with src, ie at least as new
private FileContainer	getContainer()
Iterator<FileLister.Entry>	iterator()
FileLister.Entry	open(String relativeFileName)
private FileContainer	openJar(String jarFile)

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Field Details

containerRef

volatile WeakReference<FileContainer> containerRef

weak ref to a container to avoid hanging on to an open jar file.

name

String name

Constructor Details

FileLister

public FileLister(String dirOrJarName)
           throws IOException

Throws:

IOException

Method Details

open

public FileLister.Entry open(String relativeFileName)
                      throws IOException

Parameters:

relativeFileName -

Returns:

if the relativeFileName exists in the directory or jar represented by FileLister object open it. If not return null.

Throws:

IOException

getContainer

private FileContainer getContainer()
                            throws IOException

Throws:

IOException

openJar

private FileContainer openJar(String jarFile)
                       throws IOException

Throws:

IOException

iterator

public Iterator<FileLister.Entry> iterator()

Specified by:

iterator in interface Iterable<FileLister.Entry>

check

public static boolean check(String src,
 String dst)

check if dst is up to date with src, ie at least as new

Parameters:

src - the source filename

dst - the destination filename

Returns:

true if dst exists and is at least as new as src