gnu.text
Class Path

java.lang.Object
  gnu.text.Path

Direct Known Subclasses:

FilePath, URIPath

public abstract class Path
extends java.lang.Object

A generalized path/location, including File and URIs.

Field Summary

static Path	defaultPath
static FilePath	userDirPath This is equivalent to the System "user.dir property.

Constructor Summary

protected

Path()

Method Summary

static Path	coerceToPathOrNull(java.lang.Object path)
static Path	currentPath()
boolean	exists()
Path	getAbsolute()
java.lang.String	getAuthority()
Path	getCanonical()
long	getContentLength()
Path	getDirectory()
java.lang.String	getExtension()
java.lang.String	getFragment()
java.lang.String	getHost()
java.lang.String	getLast()
abstract long	getLastModified()
Path	getParent()
abstract java.lang.String	getPath()
int	getPort()
java.lang.String	getQuery()
abstract java.lang.String	getScheme()
java.lang.String	getUserInfo()
abstract boolean	isAbsolute()
boolean	isDirectory() Does this path name a directory? The default implementation returns true only if the path ends with '/' or the separatorChar.
abstract java.io.InputStream	openInputStream()
static java.io.InputStream	openInputStream(java.lang.Object uri)
abstract java.io.OutputStream	openOutputStream()
static java.lang.String	relativize(java.lang.String in, java.lang.String base) Convert an absolute URI to one relatve to a given base.
Path	resolve(Path relative)
abstract Path	resolve(java.lang.String relative)
static void	setCurrentPath(Path path)
abstract java.net.URI	toURI()
java.lang.String	toURIString()
abstract java.net.URL	toURL()
static java.net.URL	toURL(java.lang.String str)
static int	uriSchemeLength(java.lang.String uri) Helper routine to get the scheme part of a URI.
static boolean	uriSchemeSpecified(java.lang.String name) Tests if a URL has a scheme.
static Path	valueOf(java.lang.Object arg)

Methods inherited from class java.lang.Object

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

Field Detail

userDirPath

public static final FilePath userDirPath

This is equivalent to the System "user.dir property. However, the getProperty is tracked dynamically and resolved as needed.

defaultPath

public static Path defaultPath

Constructor Detail

Path

protected Path()

Method Detail

currentPath

public static Path currentPath()

setCurrentPath

public static void setCurrentPath(Path path)

coerceToPathOrNull

public static Path coerceToPathOrNull(java.lang.Object path)

valueOf

public static Path valueOf(java.lang.Object arg)

toURL

public static java.net.URL toURL(java.lang.String str)

uriSchemeLength

public static int uriSchemeLength(java.lang.String uri)

Helper routine to get the scheme part of a URI. The scheme part is "http:" or "file:" or "ftp:" most commonly. This functions searches for the first ':' that doesn't follow a '/'.

Returns:

The length of the scheme component, not counting the colon, (or alternatively the index of the colon), or -1 if the is no scheme.

uriSchemeSpecified

public static boolean uriSchemeSpecified(java.lang.String name)

Tests if a URL has a scheme. For convenience, we treat a 1-character "scheme" as an MS-DOS-style "drive letter" - i.e. not a scheme.

isAbsolute

public abstract boolean isAbsolute()

isDirectory

public boolean isDirectory()

Does this path name a directory? The default implementation returns true only if the path ends with '/' or the separatorChar.

exists

public boolean exists()

getLastModified

public abstract long getLastModified()

getContentLength

public long getContentLength()

getScheme

public abstract java.lang.String getScheme()

getAuthority

public java.lang.String getAuthority()

getUserInfo

public java.lang.String getUserInfo()

getHost

public java.lang.String getHost()

getPath

public abstract java.lang.String getPath()

getDirectory

public Path getDirectory()

getParent

public Path getParent()

getLast

public java.lang.String getLast()

getExtension

public java.lang.String getExtension()

getPort

public int getPort()

getQuery

public java.lang.String getQuery()

getFragment

public java.lang.String getFragment()

toURL

public abstract java.net.URL toURL()

toURI

public abstract java.net.URI toURI()

toURIString

public java.lang.String toURIString()

resolve

public Path resolve(Path relative)

resolve

public abstract Path resolve(java.lang.String relative)

openInputStream

public static java.io.InputStream openInputStream(java.lang.Object uri)
                                           throws java.io.IOException

Throws:

java.io.IOException

openInputStream

public abstract java.io.InputStream openInputStream()
                                             throws java.io.IOException

Throws:

java.io.IOException

openOutputStream

public abstract java.io.OutputStream openOutputStream()
                                               throws java.io.IOException

Throws:

java.io.IOException

relativize

public static java.lang.String relativize(java.lang.String in,
                                          java.lang.String base)
                                   throws java.net.URISyntaxException,
                                          java.io.IOException

Convert an absolute URI to one relatve to a given base. This goes beyond java.net.URI.relativize in that if the arguments have a common prefix, it can create a relative URI using "../" steps.

Throws:

java.net.URISyntaxException

java.io.IOException

getAbsolute

public Path getAbsolute()

getCanonical

public Path getCanonical()