Module com.aoapps.io.filesystems.posix

Package com.aoapps.io.filesystems.posix

Class DefaultPosixFileSystem

java.lang.Object

com.aoapps.io.filesystems.JavaFileSystem

com.aoapps.io.filesystems.posix.DefaultPosixFileSystem

All Implemented Interfaces:

FileSystem, PosixFileSystem

public class DefaultPosixFileSystem
extends JavaFileSystem
implements PosixFileSystem

The Unix file system implement by the PosixFile.

Author:

AO Industries, Inc.

See Also:

• PosixFile

Field Summary

Fields inherited from class com.aoapps.io.filesystems.JavaFileSystem

isSingleRoot, javaFileSystem, MAX_PATH_NAME_LENGTH

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	DefaultPosixFileSystem()	Creates a new DefaultPosixFileSystem.

Method Summary

Modifier and Type	Method	Description
void	checkSubPath(Path parent, String name)	Checks a sub-path.
Path	createDirectory(Path path, int mode)	TODO: This is not an atomic implementation.
Path	createFile(Path path, int mode)	TODO: This is not an atomic implementation.
static DefaultPosixFileSystem	getInstance()	Only one instance is created.
Stat	stat(Path path)	Stats the given path.

Methods inherited from class com.aoapps.io.filesystems.JavaFileSystem

createDirectory, createFile, delete, getDefault, getJavaPath, list, lock, size

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.aoapps.io.filesystems.FileSystem

createDirectory, createFile, delete, join, list, lock, parsePath, size

Constructor Details

DefaultPosixFileSystem

protected DefaultPosixFileSystem()

Creates a new DefaultPosixFileSystem.

Method Details

getInstance

public static DefaultPosixFileSystem getInstance()

Only one instance is created.

checkSubPath

public void checkSubPath(Path parent,
 String name)
                  throws InvalidPathException

Checks a sub-path. Unix filename restrictions are:

1. Must not be longer than MAX_PATH_NAME_LENGTH characters
2. Must not contain the NULL character
3. Must not contain the '/' character
4. Must not be "."
5. Must not be ".."

Specified by:

checkSubPath in interface FileSystem

Specified by:

checkSubPath in interface PosixFileSystem

Overrides:

checkSubPath in class JavaFileSystem

Throws:

InvalidPathException

See Also:

• PosixFileSystem.checkSubPath(com.aoapps.io.filesystems.Path, java.lang.String)

stat

public Stat stat(Path path)
          throws IOException

Description copied from interface: PosixFileSystem

Stats the given path.

Specified by:

stat in interface PosixFileSystem

Parameters:

path - Must be from this file system.

Throws:

IOException

createFile

public Path createFile(Path path,
 int mode)
                throws IOException

TODO: This is not an atomic implementation. Use the Java-provided interface, but beware it does not seem to have support for the sticky bits.

Specified by:

createFile in interface PosixFileSystem

Returns:

returns the path

Throws:

IOException - if an underlying I/O error occurs.

createDirectory

public Path createDirectory(Path path,
 int mode)
                     throws IOException

TODO: This is not an atomic implementation. Use the Java-provided interface, but beware it does not seem to have support for the sticky bits.

Specified by:

createDirectory in interface PosixFileSystem

Returns:

returns the path

Throws:

IOException - if an underlying I/O error occurs.