com.caucho.vfs

Class GooglePath

java.lang.Object

com.caucho.vfs.Path

com.caucho.vfs.FilesystemPath

com.caucho.vfs.GooglePath

All Implemented Interfaces:

java.lang.Comparable<Path>

Direct Known Subclasses:

GoogleBlobStorePath, GoogleStorePath

public abstract class GooglePath
extends FilesystemPath

FilePath implements the native filesystem.

Nested Class Summary

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

Path.FileChannelFactory

Field Summary

Fields

Modifier and Type	Field and Description
protected FileService	_fileService
protected GoogleInode	_inode
protected GoogleInodeService	_inodeService
protected GooglePath	_parent
protected static java.lang.String	QUERCUS_ROOT_PATH

Fields inherited from class com.caucho.vfs.FilesystemPath

_bindRoot, _pathname, _root, _userPath

Fields inherited from class com.caucho.vfs.Path

_pathSeparatorChar, _schemeMap, _separatorChar, L

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	GooglePath(FileService fileService, GoogleInodeService inodeService)
protected	GooglePath(FilesystemPath root, java.lang.String userPath, java.lang.String path, FileService fileService, GoogleInodeService inodeService)
protected	GooglePath(GooglePath 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.
void	clearStatusCache() Clears any status cache
Path	copy()
protected abstract GooglePath	createInstance(FilesystemPath root, java.lang.String userPath, java.lang.String path)
boolean	equals(java.lang.Object b)
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 the actual path relative to the filesystem root.
java.lang.String	getFullPath() For chrooted filesystems return the real system path.
long	getLastModified() Returns the last modified time of the file.
long	getLength() Returns the length of the file in bytes.
int	getMode() Returns equivalent of struct stat.st_mode if appropriate.
GooglePath	getParent() Return the parent Path
java.lang.String	getScheme() Returns the url scheme
java.lang.String	getURL() Returns the full url for the given path.
int	hashCode()
void	init() Call to initialize the root directory structure
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.
protected boolean	isPathCacheable() Returns true if the path itself is cacheable
java.lang.String[]	list() Returns a list of files in the directory.
boolean	mkdir() Creates the directory named by this path.
boolean	mkdirs() Creates the directory named by this path and any parent directories.
RandomAccessStream	openFileRandomAccess() Opens a random-access stream.
StreamImpl	openReadImpl() Returns the stream implementation for a read stream.
boolean	remove() Removes the file or directory named by this path.
protected abstract boolean	removeImpl()
boolean	renameTo(Path path) Renames the file or directory to the name given by the path.
void	setLastModified(long time)
java.lang.String	toString()

Methods inherited from class com.caucho.vfs.FilesystemPath

bind, createRoot, getPath, getRoot, getTail, getUserPath, init, normalizePath, normalizePath, schemeWalk, setUserPath

Methods inherited from class com.caucho.vfs.Path

cacheCopy, canExecute, changeGroup, changeGroup, changeOwner, changeOwner, chmod, compareTo, 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, getNativePath, getNewlineString, getNumberOfLinks, getObject, getOwner, getPathSeparatorChar, getPort, getQuery, getRelativePath, getResources, getResources, getSchemeMap, getSeparatorChar, getUser, getUserDir, getValue, isBlockDevice, isCharacterDevice, isFIFO, isHardLink, isLink, isObject, isSocket, isSymbolicLink, isWindows, isWindowsInsecure, iterator, lookup, lookup, lookup, lookupChild, lookupImpl, lookupNative, lookupNative, lookupRelativeNativePath, openAppend, openAppendImpl, openMemoryMappedFile, openRandomAccess, openRead, openReadWrite, openReadWrite, openReadWrite, openReadWriteImpl, openWrite, openWriteImpl, putCache, readLink, realPath, removeAll, renameTo, scanScheme, sendfile, setDefaultSchemeMap, setExecutable, setObject, setTestWindows, setValue, truncate, truncate, unbind, unwrap, writeToStream, writeToStream

Methods inherited from class java.lang.Object

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

Field Detail

QUERCUS_ROOT_PATH

protected static final java.lang.String QUERCUS_ROOT_PATH

See Also:

Constant Field Values

_fileService

protected FileService _fileService

_inodeService

protected GoogleInodeService _inodeService

_parent

protected GooglePath _parent

_inode

protected GoogleInode _inode

Constructor Detail

GooglePath

protected GooglePath(FilesystemPath root,
                     java.lang.String userPath,
                     java.lang.String path,
                     FileService fileService,
                     GoogleInodeService inodeService)

Parameters:

path - canonical path

GooglePath

protected GooglePath(FileService fileService,
                     GoogleInodeService inodeService)

GooglePath

protected GooglePath(GooglePath path)

Method Detail

init

public void init()

Call to initialize the root directory structure

getFullPath

public java.lang.String getFullPath()

Description copied from class: FilesystemPath

For chrooted filesystems return the real system path.

Overrides:

getFullPath in class FilesystemPath

fsWalk

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

Lookup the actual path relative to the filesystem root.

Specified by:

fsWalk in class FilesystemPath

Parameters:

userPath - the user's path to lookup()

attributes - the user's attributes to lookup()

path - the normalized path

Returns:

the selected path

createInstance

protected abstract GooglePath createInstance(FilesystemPath root,
                                             java.lang.String userPath,
                                             java.lang.String path)

getParent

public GooglePath getParent()

Description copied from class: FilesystemPath

Return the parent Path

Overrides:

getParent in class FilesystemPath

isPathCacheable

protected boolean isPathCacheable()

Returns true if the path itself is cacheable

Overrides:

isPathCacheable in class 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()

Returns the full url for the given path.

Overrides:

getURL in class Path

exists

public boolean exists()

Description copied from class: Path

Tests if the file exists.

Overrides:

exists in class Path

getMode

public int getMode()

Description copied from class: Path

Returns equivalent of struct stat.st_mode if appropriate.

Overrides:

getMode 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

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

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.

setLastModified

public void setLastModified(long time)

Overrides:

setLastModified in class Path

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()
                        throws java.io.IOException

Returns a list of files in the directory.

Overrides:

list in class Path

Returns:

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

Throws:

java.io.IOException

mkdir

public boolean mkdir()
              throws java.io.IOException

Description copied from class: Path

Creates the directory named by this path.

Overrides:

mkdir in class Path

Returns:

true if successful.

Throws:

java.io.IOException

mkdirs

public boolean mkdirs()
               throws java.io.IOException

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.

Throws:

java.io.IOException

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

removeImpl

protected abstract boolean removeImpl()

renameTo

public boolean renameTo(Path path)
                 throws java.io.IOException

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

Throws:

java.io.IOException

openReadImpl

public StreamImpl openReadImpl()
                        throws java.io.IOException

Returns the stream implementation for a read stream.

Overrides:

openReadImpl in class Path

Throws:

java.io.IOException

openFileRandomAccess

public RandomAccessStream openFileRandomAccess()
                                        throws java.io.IOException

Description copied from class: Path

Opens a random-access stream.

Overrides:

openFileRandomAccess in class Path

Throws:

java.io.IOException

copy

public Path copy()

Overrides:

copy in class Path

clearStatusCache

public void clearStatusCache()

Description copied from class: Path

Clears any status cache

Overrides:

clearStatusCache in class Path

hashCode

public int hashCode()

Overrides:

hashCode in class FilesystemPath

equals

public boolean equals(java.lang.Object b)

Overrides:

equals in class FilesystemPath

toString

public java.lang.String toString()

Overrides:

toString in class Path