net.pandoragames.util.file

Class FileUtil

java.lang.Object

net.pandoragames.util.file.FileUtil

public class FileUtil
extends java.lang.Object

A small collection of useful helper methods.

Author:

Olivier Wehner

Constructor Summary

Constructors

Constructor and Description
FileUtil()

Method Summary

Methods

Modifier and Type	Method and Description
static void	copy(java.io.File source, java.io.File sink) Copies source to sink.
static java.lang.String	getRelativePath(java.lang.String base, java.lang.String fullPath) Returns fullPath relative to base if base is indeed a sudirectory of fullpath.
static boolean	isSubdirectory(java.io.File ancestor, java.io.File subdirectory) Returns true if the second directory argument is indeed a subdirectory of the first directory argument.

Methods inherited from class java.lang.Object

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

Constructor Detail

FileUtil

public FileUtil()

Method Detail

copy

public static void copy(java.io.File source,
        java.io.File sink)
                 throws java.io.IOException

Copies source to sink. Both files must exist beforehand.

Parameters:

source - data to copy

sink - file to copy to

Throws:

java.io.IOException - if copy operation failed

isSubdirectory

public static boolean isSubdirectory(java.io.File ancestor,
                     java.io.File subdirectory)

Returns true if the second directory argument is indeed a subdirectory of the first directory argument. Returns allways true if ancestor is null. Returns allways false if subdirectory is null.

Parameters:

ancestor - base directory

subdirectory - to be tested

Returns:

true if "ancestor" is indeed an ancestor directory of "subdirectory"

getRelativePath

public static java.lang.String getRelativePath(java.lang.String base,
                               java.lang.String fullPath)

Returns fullPath relative to base if base is indeed a sudirectory of fullpath. Returns fullPath unchanged othewise.

Parameters:

base - base directory

fullPath - to be expressed as a relative path

Returns:

relative path if base is a subdirectory of fullpath