com.pervasive.datarush.io

Class PathUtility

java.lang.Object

com.pervasive.datarush.io.PathUtility

public class PathUtility
extends Object

Utility methods for dealing with Hadoop style paths.

Constructor Summary

Constructors

Constructor and Description
PathUtility()

Method Summary

Modifier and Type	Method and Description
static String	filePath(String path) Convert a URL style path into it's normalized form.
static String	fileSystemPath(String path) Convert a full URL style path in the root file system path.
static String	getName(String path) Get the last file segment of the given path.
static String	getParent(String path) Get the parent directory of the given path.
static String	resolve(String path, String other) Resolve the given path and the path segment to be appended.

Methods inherited from class java.lang.Object

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

Constructor Detail

PathUtility

public PathUtility()

Method Detail

fileSystemPath

public static String fileSystemPath(String path)

Convert a full URL style path in the root file system path.

Parameters:

path - HDFS style path

Returns:

root filesystem path

filePath

public static String filePath(String path)

Convert a URL style path into it's normalized form. This ensures the format fits a stricter URL form, i.e. hdfs:///path.

Parameters:

path - HDFS style path

Returns:

normalized path

getParent

public static String getParent(String path)

Get the parent directory of the given path.

Parameters:

path - Hadoop style path

Returns:

given path minus the lowest file segment

resolve

public static String resolve(String path,
                             String other)

Resolve the given path and the path segment to be appended. Returns the given path plus the path segment merged together to resolve issues with the base path and path separators.

Parameters:

path - input (base) path

other - a path segment to append

Returns:

the resolved path

getName

public static String getName(String path)

Get the last file segment of the given path.

Parameters:

path - full URL style path

Returns:

the last file segment (or "/" if already root)