Package org.carrot2.util

Class PathUtils

java.lang.Object

org.carrot2.util.PathUtils

public class PathUtils
extends Object

This class defines utilities methods helping to determine path-related information such as relative paths.

The original code comes from org.codehaus.plexus.util.PathTool.

Author:

Ibrahim Chaehoi, Pete Kazmier, Vincent Massol, Vincent Siveton

Method Summary

Modifier and Type	Method	Description
static final String	getRelativeFilePath(String oldPath, String newPath)	This method can calculate the relative path between two pathes on a file system.

Methods inherited from class java.lang.Object

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

Method Details

getRelativeFilePath

public static final String getRelativeFilePath(String oldPath,
 String newPath)

This method can calculate the relative path between two pathes on a file system.

 PathUtils.getRelativeFilePath( null, null )                                   = ""
 PathUtils.getRelativeFilePath( null, "/usr/local/java/bin" )                  = ""
 PathUtils.getRelativeFilePath( "/usr/local", null )                           = ""
 PathUtils.getRelativeFilePath( "/usr/local", "/usr/local/java/bin" )          = "java/bin"
 PathUtils.getRelativeFilePath( "/usr/local", "/usr/local/java/bin/" )         = "java/bin"
 PathUtils.getRelativeFilePath( "/usr/local/java/bin", "/usr/local/" )         = "../.."
 PathUtils.getRelativeFilePath( "/usr/local/", "/usr/local/java/bin/java.sh" ) = "java/bin/java.sh"
 PathUtils.getRelativeFilePath( "/usr/local/java/bin/java.sh", "/usr/local/" ) = "../../.."
 PathUtils.getRelativeFilePath( "/usr/local/", "/bin" )                        = "../../bin"
 PathUtils.getRelativeFilePath( "/bin", "/usr/local/" )                        = "../usr/local"
 

Note: On Windows based system, the / character should be replaced by \ character.

Parameters:

oldPath - the old path

newPath - the new path

Returns:

a relative file path from oldPath.