org.apache.derby.impl.io.vfmem

Class PathUtil

java.lang.Object

org.apache.derby.impl.io.vfmem.PathUtil

public class PathUtil
extends java.lang.Object

Helper methods to deal with paths in the in-memory "file system".

These methods are similar to those in java.io.File.

Note: The system has been hardcoded to use the separator specified by java.io.File.

Field Summary

Fields

Modifier and Type	Field and Description
static char	SEP
static java.lang.String	SEP_STR

Constructor Summary

Constructors

Modifier	Constructor and Description
private	PathUtil() This class cannot be instantiated.

Method Summary

Modifier and Type	Method and Description
private static void	basicPathChecks(java.lang.String path)
static java.lang.String	getBaseName(java.lang.String path) Returns the base name of the path.
static java.lang.String	getParent(java.lang.String path) Returns the parent of the path.
static java.lang.String	join(java.lang.String parent, java.lang.String base) Joins the two paths by inserting the separator chararcter between them.

Methods inherited from class java.lang.Object

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

Field Detail

SEP

public static final char SEP

SEP_STR

public static final java.lang.String SEP_STR

Constructor Detail

PathUtil

private PathUtil()

This class cannot be instantiated.

Method Detail

basicPathChecks

private static void basicPathChecks(java.lang.String path)

getBaseName

public static java.lang.String getBaseName(java.lang.String path)

Returns the base name of the path.

Parameters:

path - the path to process

Returns:

The base name of the path.

getParent

public static java.lang.String getParent(java.lang.String path)

Returns the parent of the path.

Parameters:

path - the path to process

Returns:

The parent path, which may be the empty string ("") if the path is a relative path, or null if XXXX TODO

join

public static java.lang.String join(java.lang.String parent,
                                    java.lang.String base)

Joins the two paths by inserting the separator chararcter between them.

Parameters:

parent - parent directory

base - file/directory name

Returns:

A merged path.