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jp.gr.java_conf.a0.file
Class FileIterator  

java.lang.Object
  jp.gr.java_conf.a0.file.FileIterator

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public class FileIterator

extends java.lang.Object

This class that is a utility class to iterate files works with FilenameFilter. Iterate files which matches FilenameFilter under the specified directory. this class has recursive flag to iterate files recursively or not.

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Field Summary
private  java.util.Vector	files
private  java.io.FilenameFilter	filter           filename fileter
private  int	index
private  boolean	recursive           recursive flag.
private  java.io.File	rootdir           target directory

 

Constructor Summary

FileIterator(java.io.File aDir, boolean aRecursive)           constructor.

FileIterator(java.io.File aDir, boolean aRecursive, java.io.FilenameFilter aFilter)           constructor.

 

Method Summary
boolean	hasMoreFiles()           If this object has more files to iterate, then return true.
private  void	lookupFiles()
java.io.File	nextFile()           return next file and pointer is incremented.
void	reset()           resete the iteration pointer to the head.

 

Methods inherited from class java.lang.Object

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

 

Field Detail

rootdir

private java.io.File rootdir

target directory

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recursive

private boolean recursive

recursive flag.

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filter

private java.io.FilenameFilter filter

filename fileter

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files

private final java.util.Vector files

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index

private int index

Constructor Detail

FileIterator

public FileIterator(java.io.File aDir,
                    boolean aRecursive,
                    java.io.FilenameFilter aFilter)

constructor. specify target directory, recursive flag and filename filter.

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FileIterator

public FileIterator(java.io.File aDir,
                    boolean aRecursive)

constructor. to iterato all files under the specified directory.

Method Detail

lookupFiles

private void lookupFiles()

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hasMoreFiles

public boolean hasMoreFiles()

If this object has more files to iterate, then return true.

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nextFile

public java.io.File nextFile()

return next file and pointer is incremented. If call this method with no more elements, then Exception is thrown.

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reset

public void reset()

resete the iteration pointer to the head.

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