de.bb.util

Class FileBrowser

java.lang.Object

de.bb.util.FileBrowser

public abstract class FileBrowser
extends java.lang.Object

This is a base class to iterate over files and directories, which can be configured with a pattern.

Constructor Summary

Constructors

Constructor and Description
FileBrowser() ct.
FileBrowser(java.lang.String mask) ct.

Method Summary

Methods

Modifier and Type	Method and Description
protected boolean	accept(java.lang.String name) Compare the file name with the specified patterns.
void	addExclude(java.lang.String exc) add a wild star exclude pattern.
void	addInclude(java.lang.String inc) add a wild star include pattern.
protected void	enterDir(java.lang.String path)
java.lang.String	getBaseDir() Returns the baseDir.
protected abstract void	handleFile(java.lang.String path, java.lang.String file) Handle a file, matching the specified masks.
protected void	leaveDir(java.lang.String path)
void	scan(java.lang.String baseDirs, boolean recurse) Recurse over directories and invoke the file action for each File.
static java.util.regex.Pattern	wild2regex(java.lang.String inc) convert a wild star expression to

Methods inherited from class java.lang.Object

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

Constructor Detail

FileBrowser

public FileBrowser()

ct.

FileBrowser

public FileBrowser(java.lang.String mask)

ct.

Parameters:

mask - a filter which is applied to the files.

Method Detail

handleFile

protected abstract void handleFile(java.lang.String path,
              java.lang.String file)

Handle a file, matching the specified masks.

Parameters:

path - path to file.

file - the file name without path.

accept

protected boolean accept(java.lang.String name)

Compare the file name with the specified patterns. First a match against one of the include patterns is required. Then no match against the exclude patters may occur.

Parameters:

name - the checked file name

Returns:

true if the file name matches the patterns, false either.

leaveDir

protected void leaveDir(java.lang.String path)

enterDir

protected void enterDir(java.lang.String path)

scan

public final void scan(java.lang.String baseDirs,
        boolean recurse)
                throws java.io.IOException

Recurse over directories and invoke the file action for each File.

Parameters:

baseDir - the dir to start

recurse - a flag whether subdirectories are scanned too

Throws:

java.io.IOException

wild2regex

public static java.util.regex.Pattern wild2regex(java.lang.String inc)

convert a wild star expression to

Parameters:

inc -

Returns:

getBaseDir

public java.lang.String getBaseDir()

Returns the baseDir.

Returns:

String

addInclude

public void addInclude(java.lang.String inc)

add a wild star include pattern.

Parameters:

inc -

addExclude

public void addExclude(java.lang.String exc)

add a wild star exclude pattern.

Parameters:

exc -