com.cedarsoft.io

Class LinkUtils

java.lang.Object

com.cedarsoft.io.LinkUtils

public class LinkUtils
extends Object

LinkUtils class.

Author:

Johannes Schneider (js@cedarsoft.com)

Constructor Summary

Constructors

Constructor and Description
LinkUtils()

Method Summary

Methods

Modifier and Type	Method and Description
static boolean	createHardLink(File linkTarget, File linkFile) Creates a hard link
static boolean	createLink(File linkTarget, File linkFile, boolean symbolic) Creates a link.
static boolean	createLink(File linkTarget, File linkFile, LinkType linkType) Creates a link
static boolean	createSymbolicLink(File linkTarget, File linkFile) Creates a symbolik link
static File	createTempFile(String prefix, String suffix, File parentDir) Creates a temporary file
static void	deleteSymbolicLink(File linkFile) Deletes the symbolic link
static boolean	isLink(File file) Returns whether the given file is a link
boolean	isSymbolicLink(File file) Checks whether a given file is a symbolic link.

Methods inherited from class java.lang.Object

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

Constructor Detail

LinkUtils

public LinkUtils()

Method Detail

isLink

public static boolean isLink(@Nonnull
             File file)
                      throws IOException

Returns whether the given file is a link

Parameters:

file - a File object.

Returns:

whether the given file is a sym link

Throws:

IOException - if any.

createLink

public static boolean createLink(@Nonnull
                 File linkTarget,
                 @Nonnull
                 File linkFile,
                 @Nonnull
                 LinkType linkType)
                          throws IOException

Creates a link

Parameters:

linkTarget - the link source

linkFile - the link file

linkType - the type of link

Returns:

whether the link has been created

Throws:

IOException - if any.

createSymbolicLink

public static boolean createSymbolicLink(@Nonnull
                         File linkTarget,
                         @Nonnull
                         File linkFile)
                                  throws IOException

Creates a symbolik link

Parameters:

linkTarget - the link source

linkFile - the link file

Returns:

whether the link has been created

Throws:

IOException - if any.

createHardLink

public static boolean createHardLink(@Nonnull
                     File linkTarget,
                     @Nonnull
                     File linkFile)
                              throws IOException

Creates a hard link

Parameters:

linkTarget - the link source

linkFile - the link file

Returns:

whether the link has been created

Throws:

IOException - if any.

createLink

public static boolean createLink(@Nonnull
                 File linkTarget,
                 @Nonnull
                 File linkFile,
                 boolean symbolic)
                          throws IOException

Creates a link. Returns true if the link has been created, false if the link (with the same link source) still exists.

Parameters:

linkTarget - the link source

linkFile - the link file

symbolic - whether to create a symbolic link

Returns:

whether the link has been created (returns false if the link still existed)

Throws:

IOException - if something went wrong

deleteSymbolicLink

public static void deleteSymbolicLink(@Nonnull
                      File linkFile)
                               throws IOException

Deletes the symbolic link

Parameters:

linkFile - the link file

Throws:

IOException - if any.

createTempFile

@Nonnull
public static File createTempFile(@Nonnull
                          String prefix,
                          @Nonnull
                          String suffix,
                          @Nullable
                          File parentDir)

Creates a temporary file

Parameters:

prefix - the prefix

suffix - the suffix

parentDir - the parent dir

Returns:

the created file

isSymbolicLink

public boolean isSymbolicLink(@Nonnull
                     File file)
                       throws IOException

Checks whether a given file is a symbolic link.

Parameters:

file - the file

Returns:

whether the given file is a symbolic link

Throws:

IOException - if any.