com.android.io

Class FolderWrapper

java.lang.Object

java.io.File

com.android.io.FolderWrapper

All Implemented Interfaces:

IAbstractFolder, IAbstractResource, java.io.Serializable, java.lang.Comparable<java.io.File>

public class FolderWrapper
extends java.io.File
implements IAbstractFolder

An implementation of IAbstractFolder extending File.

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from interface com.android.io.IAbstractFolder

IAbstractFolder.FilenameFilter

Field Summary

Fields inherited from class java.io.File

pathSeparator, pathSeparatorChar, separator, separatorChar

Constructor Summary

Constructors

Constructor and Description
FolderWrapper(java.io.File file) Creates a new File instance matching a give File object.
FolderWrapper(java.io.File parent, java.lang.String child) Creates a new File instance from a parent abstract pathname and a child pathname string.
FolderWrapper(java.lang.String pathname) Creates a new File instance by converting the given pathname string into an abstract pathname.
FolderWrapper(java.lang.String parent, java.lang.String child) Creates a new File instance from a parent abstract pathname and a child pathname string.
FolderWrapper(java.net.URI uri) Creates a new File instance by converting the given file: URI into an abstract pathname.

Method Summary

Modifier and Type	Method and Description
boolean	exists() Returns whether the resource actually exists.
IAbstractFile	getFile(java.lang.String name) Returns an IAbstractFile representing a child of the current folder with the given name.
IAbstractFolder	getFolder(java.lang.String name) Returns an IAbstractFolder representing a child of the current folder with the given name.
java.lang.String	getOsLocation() Returns the OS path of the folder location (may be absolute).
IAbstractFolder	getParentFolder() Returns the parent folder or null if there is no parent.
boolean	hasFile(java.lang.String name) Returns true if the receiver contains a file with a given name
java.lang.String[]	list(IAbstractFolder.FilenameFilter filter) Returns a list of all existing file and directory members in this folder that satisfy the specified filter.
IAbstractResource[]	listMembers() Returns a list of all existing file and directory members in this folder.

Methods inherited from class java.io.File

canExecute, canRead, canWrite, compareTo, createNewFile, createTempFile, createTempFile, delete, deleteOnExit, equals, getAbsoluteFile, getAbsolutePath, getCanonicalFile, getCanonicalPath, getFreeSpace, getName, getParent, getParentFile, getPath, getTotalSpace, getUsableSpace, hashCode, isAbsolute, isDirectory, isFile, isHidden, lastModified, length, list, list, listFiles, listFiles, listFiles, listRoots, mkdir, mkdirs, renameTo, setExecutable, setExecutable, setLastModified, setReadable, setReadable, setReadOnly, setWritable, setWritable, toPath, toString, toURI, toURL

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface com.android.io.IAbstractResource

delete, getName, getPath

Constructor Detail

FolderWrapper

public FolderWrapper(java.io.File parent,
                     java.lang.String child)

Creates a new File instance from a parent abstract pathname and a child pathname string.

Parameters:

parent - the parent pathname

child - the child name

See Also:

File.File(File, String)

FolderWrapper

public FolderWrapper(java.lang.String pathname)

Creates a new File instance by converting the given pathname string into an abstract pathname.

Parameters:

pathname - the pathname

See Also:

File.File(String)

FolderWrapper

public FolderWrapper(java.lang.String parent,
                     java.lang.String child)

Creates a new File instance from a parent abstract pathname and a child pathname string.

Parameters:

parent - the parent pathname

child - the child name

See Also:

File.File(String, String)

FolderWrapper

public FolderWrapper(java.net.URI uri)

Creates a new File instance by converting the given file: URI into an abstract pathname.

Parameters:

uri - An absolute, hierarchical URI with a scheme equal to "file", a non-empty path component, and undefined authority, query, and fragment components

See Also:

File.File(URI)

FolderWrapper

public FolderWrapper(java.io.File file)

Creates a new File instance matching a give File object.

Parameters:

file - the file to match

Method Detail

listMembers

public IAbstractResource[] listMembers()

Description copied from interface: IAbstractFolder

Returns a list of all existing file and directory members in this folder. The returned array can be empty but is never null.

Specified by:

listMembers in interface IAbstractFolder

hasFile

public boolean hasFile(java.lang.String name)

Description copied from interface: IAbstractFolder

Returns true if the receiver contains a file with a given name

Specified by:

hasFile in interface IAbstractFolder

Parameters:

name - the name of the file. This is the name without the path leading to the parent folder.

getFile

public IAbstractFile getFile(java.lang.String name)

Description copied from interface: IAbstractFolder

Returns an IAbstractFile representing a child of the current folder with the given name. The file may not actually exist.

Specified by:

getFile in interface IAbstractFolder

Parameters:

name - the name of the file.

getFolder

public IAbstractFolder getFolder(java.lang.String name)

Description copied from interface: IAbstractFolder

Returns an IAbstractFolder representing a child of the current folder with the given name. The folder may not actually exist.

Specified by:

getFolder in interface IAbstractFolder

Parameters:

name - the name of the folder.

getParentFolder

public IAbstractFolder getParentFolder()

Description copied from interface: IAbstractResource

Returns the parent folder or null if there is no parent.

Specified by:

getParentFolder in interface IAbstractResource

getOsLocation

public java.lang.String getOsLocation()

Description copied from interface: IAbstractResource

Returns the OS path of the folder location (may be absolute).

Specified by:

getOsLocation in interface IAbstractResource

exists

public boolean exists()

Description copied from interface: IAbstractResource

Returns whether the resource actually exists.

Specified by:

exists in interface IAbstractResource

Overrides:

exists in class java.io.File

list

public java.lang.String[] list(IAbstractFolder.FilenameFilter filter)

Description copied from interface: IAbstractFolder

Returns a list of all existing file and directory members in this folder that satisfy the specified filter.

Specified by:

list in interface IAbstractFolder

Parameters:

filter - A filename filter instance. Must not be null.

Returns:

An array of file names (generated using File.getName()). The array can be empty but is never null.