org.jruby.util

Class EmptyFileResource

java.lang.Object

org.jruby.util.EmptyFileResource

All Implemented Interfaces:

FileResource

public class EmptyFileResource
extends Object
implements FileResource

Constructor Summary

Constructors

Constructor and Description
EmptyFileResource()

Method Summary

Modifier and Type	Method and Description
String	absolutePath()
boolean	canExecute()
String	canonicalPath()
boolean	canRead()
boolean	canWrite()
static EmptyFileResource	create(String pathname)
int	errno()
boolean	exists()
JRubyFile	hackyGetJRubyFile()
InputStream	inputStream() Opens a new input stream to read the contents of a resource and returns it.
boolean	isDirectory()
boolean	isFile()
boolean	isSymLink()
long	lastModified()
long	length()
String[]	list()
jnr.posix.FileStat	lstat()
Channel	openChannel(ModeFlags flags, int perm)
jnr.posix.FileStat	stat()

Methods inherited from class java.lang.Object

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

Constructor Detail

EmptyFileResource

public EmptyFileResource()

Method Detail

create

public static EmptyFileResource create(String pathname)

absolutePath

public String absolutePath()

Specified by:

absolutePath in interface FileResource

canonicalPath

public String canonicalPath()

Specified by:

canonicalPath in interface FileResource

exists

public boolean exists()

Specified by:

exists in interface FileResource

errno

public int errno()

Specified by:

errno in interface FileResource

isDirectory

public boolean isDirectory()

Specified by:

isDirectory in interface FileResource

isFile

public boolean isFile()

Specified by:

isFile in interface FileResource

canExecute

public boolean canExecute()

Specified by:

canExecute in interface FileResource

canRead

public boolean canRead()

Specified by:

canRead in interface FileResource

canWrite

public boolean canWrite()

Specified by:

canWrite in interface FileResource

isSymLink

public boolean isSymLink()

Specified by:

isSymLink in interface FileResource

list

public String[] list()

Specified by:

list in interface FileResource

See Also:

File.list()

lastModified

public long lastModified()

Specified by:

lastModified in interface FileResource

length

public long length()

Specified by:

length in interface FileResource

stat

public jnr.posix.FileStat stat()

Specified by:

stat in interface FileResource

lstat

public jnr.posix.FileStat lstat()

Specified by:

lstat in interface FileResource

hackyGetJRubyFile

public JRubyFile hackyGetJRubyFile()

Specified by:

hackyGetJRubyFile in interface FileResource

inputStream

public InputStream inputStream()
                        throws ResourceException

Description copied from interface: FileResource

Opens a new input stream to read the contents of a resource and returns it. Note that implementations may be allocating native memory for the stream, so callers need to close this when they are done with it. users of this method should follow the pattern: close the stream where you open it.

Specified by:

inputStream in interface FileResource

Returns:

just opened InputStream

Throws:

ResourceException - is the file does not exists or if the resource is a directory

openChannel

public Channel openChannel(ModeFlags flags,
                           int perm)
                    throws ResourceException

Specified by:

openChannel in interface FileResource

Throws:

ResourceException