com.github.wuic.path.core

Class VirtualDirectoryPath

java.lang.Object

com.github.wuic.path.core.VirtualDirectoryPath

All Implemented Interfaces:

DirectoryPath, Path

public class VirtualDirectoryPath
extends Object
implements DirectoryPath

This virtual DirectoryPath is based on a several other DirectoryPath and proxy method call to them when getChild(String) list(), getLastUpdate() are called.

Note that since there are multiple parent, a UnsupportedOperationException will be thrown is getAbsolutePath() and getParent() are called.

Since:

0.5.0

Version:

1.0

Author:

Guillaume DROUET

Constructor Summary

Constructors

Constructor and Description
VirtualDirectoryPath(String n, List<DirectoryPath> directories) Builds a new instance.

Method Summary

Methods

Modifier and Type	Method and Description
String	getAbsolutePath() Returns the absolute path of this path by separating each parent path with a standard separator.
Path	getChild(String path) Gets the Path corresponding to the given String which should be interpreted relatively to this directory.
long	getLastUpdate() Gets the last update date of this path.
String	getName() Returns the path name.
DirectoryPath	getParent() Returns the parent path.
String[]	list() Lists all the children path names of this directory.

Methods inherited from class java.lang.Object

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

Constructor Detail

VirtualDirectoryPath

public VirtualDirectoryPath(String n,
                    List<DirectoryPath> directories)

Builds a new instance.

Parameters:

n - the name

directories - the directories

Method Detail

getChild

public Path getChild(String path)
              throws IOException

Gets the Path corresponding to the given String which should be interpreted relatively to this directory.

Specified by:

getChild in interface DirectoryPath

Parameters:

path - the path representing the child relatively to this directory

Returns:

the result of resolution

Throws:

IOException - if any I/O error occurs

list

public String[] list()
              throws IOException

Lists all the children path names of this directory.

Specified by:

list in interface DirectoryPath

Returns:

the children path names

Throws:

IOException - if any I/O error occurs

getName

public String getName()

Returns the path name.

Specified by:

getName in interface Path

Returns:

the path name

getParent

public DirectoryPath getParent()

Returns the parent path. Should be null if this path is considered as a root.

Specified by:

getParent in interface Path

Returns:

the parent

getAbsolutePath

public String getAbsolutePath()

Returns the absolute path of this path by separating each parent path with a standard separator.

Specified by:

getAbsolutePath in interface Path

Returns:

the absolute path

getLastUpdate

public long getLastUpdate()
                   throws IOException

Gets the last update date of this path.

Specified by:

getLastUpdate in interface Path

Returns:

a date representing the date when this path was updated

Throws:

IOException - if an I/O error occurs while accessing path data