FileExpander (The Adobe Experience Manager SDK 2022.2.6433.20220223T194056Z-220100)

java.lang.Object
- com.day.util.FileExpander

All Implemented Interfaces:

HandleExpander
```
public class FileExpander
extends Object
implements HandleExpander
```
The FileExpander takes file names as input, expands them according to the globbing patterns and returns a list of file names.

Since:

coati Audience wad

Nested Class Summary

Nested Classes
Modifier and Type	Class	Description
`static class`	`FileExpander.BaseFilter`	The `BaseFilter` class is an abstract base class for the file and directory matcher class, which accepts files based on globbing patterns.

Field Summary

Fields
Modifier and Type Field Description

static FileExpander.BaseFilter RETURN_ALL

static FileExpander.BaseFilter RETURN_DIRECTORIES

static FileExpander.BaseFilter RETURN_FILES

Constructor Summary

Constructors
Constructor	Description
`FileExpander()`
`FileExpander(File root, FileExpander.BaseFilter type)`
`FileExpander(String root, FileExpander.BaseFilter type)`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`String[]`	`expand(String pattern)`	Expands the file name pattern returning a list of file names matching to that pattern.

Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - RETURN_ALL
```
public static final FileExpander.BaseFilter RETURN_ALL
```
  - RETURN_FILES
```
public static final FileExpander.BaseFilter RETURN_FILES
```
  - RETURN_DIRECTORIES
```
public static final FileExpander.BaseFilter RETURN_DIRECTORIES
```
- Constructor Detail
  - FileExpander
```
public FileExpander()
```
  - FileExpander
```
public FileExpander(String root,
                    FileExpander.BaseFilter type)
```
  - FileExpander
```
public FileExpander(File root,
                    FileExpander.BaseFilter type)
```
- Method Detail
  - expand
```
public String[] expand(String pattern)
```
    Expands the file name pattern returning a list of file names matching to that pattern. This list will only contain names of real files regardless of whether a directory's name would match the pattern or not.
    
    Specified by:
    
    expand in interface HandleExpander
    
    Parameters:
    
    pattern - the pattern to match.
    
    Returns:
    
    A list of filenames matching the pattern
    
    See Also:
    
    for a description of the pattern format.