com.caucho.vfs

Class MemoryPath

java.lang.Object

com.caucho.vfs.Path

com.caucho.vfs.FilesystemPath

com.caucho.vfs.MemoryPath

All Implemented Interfaces:

java.lang.Comparable<Path>

Direct Known Subclasses:

MemoryScheme

public class MemoryPath
extends FilesystemPath

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
class	MemoryPath.MemoryStream

Nested classes/interfaces inherited from class com.caucho.vfs.Path

Path.FileChannelFactory

Field Summary

Fields inherited from class com.caucho.vfs.FilesystemPath

_bindRoot, _pathname, _root, _userPath

Fields inherited from class com.caucho.vfs.Path

_pathSeparatorChar, _schemeMap, _separatorChar

Constructor Summary

Constructors

Modifier	Constructor and Description
	MemoryPath()
protected	MemoryPath(FilesystemPath root, java.lang.String userPath, java.util.Map<java.lang.String,java.lang.Object> attributes, java.lang.String path)

Method Summary

Modifier and Type	Method and Description
boolean	canRead() Tests if the file can be read.
boolean	canWrite() Tests if the file can be written.
Path	copyCache()
MemoryPath	copyDeep()
boolean	equals(java.lang.Object o)
boolean	exists() Tests if the file exists.
Path	fsWalk(java.lang.String userPath, java.util.Map<java.lang.String,java.lang.Object> attributes, java.lang.String path) Lookup a path relative to the current filesystem's root.
long	getLastModified() Returns the last modified time of the file.
long	getLength() Returns the length of the file in bytes.
java.lang.String	getScheme() Returns the url scheme
java.lang.String	getURL() Returns the full url for the given path.
java.lang.Object	getValue() Gets the object at the path.
boolean	isDirectory() Tests if the path refers to a directory.
boolean	isExecutable() Tests if the path is marked as executable
boolean	isFile() Tests if the path refers to a file.
boolean	isObject() Tests if the path refers to an object.
boolean	isPathCacheable() Returns true if the path itself is cacheable
java.lang.String[]	list()
boolean	mkdir() Creates the directory named by this path.
boolean	mkdirs() Creates the directory named by this path and any parent directories.
StreamImpl	openAppendImpl()
StreamImpl	openReadImpl()
StreamImpl	openWriteImpl()
boolean	remove() Removes the file or directory named by this path.
boolean	renameTo(Path path) Renames the file or directory to the name given by the path.
boolean	setExecutable(boolean isExecutable) Change the executable status of the of the path.
void	setValue(java.lang.Object object) Sets the object at the path.

Methods inherited from class com.caucho.vfs.FilesystemPath

bind, createRoot, getFullPath, getParent, getPath, getRoot, getTail, getUserPath, hashCode, init, normalizePath, normalizePath, schemeWalk, setUserPath

Methods inherited from class com.caucho.vfs.Path

cacheCopy, canExecute, changeGroup, changeGroup, changeOwner, changeOwner, chmod, clearStatusCache, compareTo, copy, createDepend, createLink, createNewFile, createRoot, createTempFile, escapeURL, fileChannelFactory, getAttribute, getAttributeNames, getBlockCount, getBlockSize, getCache, getCertificates, getContentType, getCrc64, getCreateTime, getDevice, getDeviceId, getDiskSpaceFree, getDiskSpaceTotal, getFileSeparatorChar, getGroup, getHost, getInode, getLastAccessTime, getLastStatusChangeTime, getMode, getNativePath, getNewlineString, getNumberOfLinks, getObject, getOwner, getPathSeparatorChar, getPort, getQuery, getRelativePath, getResources, getResources, getSchemeMap, getSeparatorChar, getUser, getUserDir, isBlockDevice, isCharacterDevice, isFIFO, isHardLink, isLink, isSocket, isSymbolicLink, isWindows, isWindowsInsecure, iterator, lookup, lookup, lookup, lookupChild, lookupImpl, lookupNative, lookupNative, lookupRelativeNativePath, openAppend, openFileRandomAccess, openMemoryMappedFile, openRandomAccess, openRead, openReadWrite, openReadWrite, openReadWrite, openReadWriteImpl, openWrite, putCache, readLink, realPath, removeAll, renameTo, scanScheme, sendfile, setDefaultSchemeMap, setLastModified, setObject, setTestWindows, toString, truncate, truncate, unbind, unwrap, writeToStream, writeToStream

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

MemoryPath

protected MemoryPath(FilesystemPath root,
                     java.lang.String userPath,
                     java.util.Map<java.lang.String,java.lang.Object> attributes,
                     java.lang.String path)

MemoryPath

public MemoryPath()

Method Detail

fsWalk

public Path fsWalk(java.lang.String userPath,
                   java.util.Map<java.lang.String,java.lang.Object> attributes,
                   java.lang.String path)

Description copied from class: FilesystemPath

Lookup a path relative to the current filesystem's root. Filesystems will specialize fsWalk.

Specified by:

fsWalk in class FilesystemPath

Parameters:

userPath - the exact string passed by the user's lookup()

attributes - the user's new attributes

path - the normalized real path

Returns:

the matching path

getScheme

public java.lang.String getScheme()

Description copied from class: Path

Returns the url scheme

Specified by:

getScheme in class Path

getURL

public java.lang.String getURL()

Description copied from class: Path

Returns the full url for the given path.

Overrides:

getURL in class Path

isPathCacheable

public boolean isPathCacheable()

Description copied from class: Path

Returns true if the path itself is cacheable

Overrides:

isPathCacheable in class Path

exists

public boolean exists()

Description copied from class: Path

Tests if the file exists.

Overrides:

exists in class Path

isDirectory

public boolean isDirectory()

Description copied from class: Path

Tests if the path refers to a directory.

Overrides:

isDirectory in class Path

isFile

public boolean isFile()

Description copied from class: Path

Tests if the path refers to a file.

Overrides:

isFile in class Path

isObject

public boolean isObject()

Description copied from class: Path

Tests if the path refers to an object.

Overrides:

isObject in class Path

setExecutable

public boolean setExecutable(boolean isExecutable)

Description copied from class: Path

Change the executable status of the of the path.

Overrides:

setExecutable in class Path

isExecutable

public boolean isExecutable()

Description copied from class: Path

Tests if the path is marked as executable

Overrides:

isExecutable in class Path

getLength

public long getLength()

Description copied from class: Path

Returns the length of the file in bytes.

Overrides:

getLength in class Path

Returns:

0 for non-files

getLastModified

public long getLastModified()

Description copied from class: Path

Returns the last modified time of the file. According to the jdk, this may not correspond to the system time.

Overrides:

getLastModified in class Path

Returns:

0 for non-files.

canRead

public boolean canRead()

Description copied from class: Path

Tests if the file can be read.

Overrides:

canRead in class Path

canWrite

public boolean canWrite()

Description copied from class: Path

Tests if the file can be written.

Overrides:

canWrite in class Path

list

public java.lang.String[] list()

Overrides:

list in class Path

Returns:

The contents of this directory or null if the path does not refer to a directory.

mkdir

public boolean mkdir()

Description copied from class: Path

Creates the directory named by this path.

Overrides:

mkdir in class Path

Returns:

true if successful.

mkdirs

public boolean mkdirs()

Description copied from class: Path

Creates the directory named by this path and any parent directories.

Overrides:

mkdirs in class Path

Returns:

true if successful.

remove

public boolean remove()

Description copied from class: Path

Removes the file or directory named by this path.

Overrides:

remove in class Path

Returns:

true if successful

renameTo

public boolean renameTo(Path path)

Description copied from class: Path

Renames the file or directory to the name given by the path.

Overrides:

renameTo in class Path

Returns:

true if successful

openReadImpl

public StreamImpl openReadImpl()
                        throws java.io.IOException

Overrides:

openReadImpl in class Path

Throws:

java.io.IOException

openWriteImpl

public StreamImpl openWriteImpl()
                         throws java.io.IOException

Overrides:

openWriteImpl in class Path

Throws:

java.io.IOException

openAppendImpl

public StreamImpl openAppendImpl()
                          throws java.io.IOException

Overrides:

openAppendImpl in class Path

Throws:

java.io.IOException

getValue

public java.lang.Object getValue()
                          throws java.io.IOException

Description copied from class: Path

Gets the object at the path. Normal filesystems will generally typically return null.

A bean filesystem or a mime-type aware filesystem could deserialize the contents of the file.

Overrides:

getValue in class Path

Throws:

java.io.IOException

setValue

public void setValue(java.lang.Object object)
              throws java.io.IOException

Description copied from class: Path

Sets the object at the path.

Normal filesystems will generally do nothing. However, a bean filesystem or a mime-type aware filesystem could serialize the object and store it.

Overrides:

setValue in class Path

Throws:

java.io.IOException

copyCache

public Path copyCache()

copyDeep

public MemoryPath copyDeep()

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class FilesystemPath