com.atomikos.util
Class IOHelper

java.lang.Object
  com.atomikos.util.IOHelper

public class IOHelper
extends Object

A helper class for common IO tasks.

Constructor Summary

IOHelper()

Method Summary

static void	copyBytes(InputStream in, OutputStream out) Copy every byte from the source to the output.
static boolean	createPathTo(File file, boolean isDirectory) Recursively create the path to the given file if it does not exist.
static boolean	deleteContents(File folder) Recursively delete the contents of the given folder.
static String	getDifferencePath(File fromFolder, File toFile) Get the difference path of a file wrt a folder.
static String	getRelativePath(File fromFolder, File toFile) Gets the relative path of a file wrt one of its parent directories.

Methods inherited from class java.lang.Object

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

Constructor Detail

IOHelper

public IOHelper()

Method Detail

copyBytes

public static void copyBytes(InputStream in,
                             OutputStream out)
                      throws IOException

Copy every byte from the source to the output.

Parameters:

in - The source stream.

out - The output stream.

Throws:

IOException - On IO errors.

getRelativePath

public static String getRelativePath(File fromFolder,
                                     File toFile)
                              throws IOException

Gets the relative path of a file wrt one of its parent directories.

Parameters:

fromFolder - The parent directory

toFile - The file

Returns:

String The relative path

Throws:

IOException - On error, for instance if toFile is not in fromFolder

getDifferencePath

public static String getDifferencePath(File fromFolder,
                                       File toFile)
                                throws IOException

Get the difference path of a file wrt a folder.

Parameters:

fromFolder - The folder.

toFile - The file. This file should be contained in the parent of fromFolder!

Returns:

String The path from the parent of fromFolder to toFile.

Throws:

IOException

createPathTo

public static boolean createPathTo(File file,
                                   boolean isDirectory)
                            throws IOException

Recursively create the path to the given file if it does not exist.

Parameters:

file - The file to create. All nonexistent parent folders will also be created.

isDirectory - True iff the file should be a directory

Returns:

boolean True if success.

Throws:

IOException

deleteContents

public static boolean deleteContents(File folder)
                              throws IOException

Recursively delete the contents of the given folder.

Parameters:

folder - The folder to delete.

Returns:

boolean True if success.

Throws:

IOException