JniFilePathImpl (Resin 4.0.s170329)

java.lang.Object
- com.caucho.vfs.Path
- - com.caucho.vfs.FilesystemPath
  - - com.caucho.vfs.FilePath
    - - com.caucho.vfs.JniFilePathImpl

All Implemented Interfaces:

java.lang.Comparable<Path>
```
public class JniFilePathImpl
extends FilePath
```
FilePath implements the native filesystem.

Nested Class Summary
- Nested classes/interfaces inherited from class com.caucho.vfs.Path
  Path.FileChannelFactory

Field Summary
- Fields inherited from class com.caucho.vfs.FilePath
  _isWindows
- 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
	`JniFilePathImpl()`
`protected`	`JniFilePathImpl(FilesystemPath root, java.lang.String userPath, java.lang.String path)`

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`boolean`	`canRead()` Returns true if the file can be read.
`boolean`	`changeOwner(java.lang.String owner)` Sets the file mode.
`boolean`	`chmod(int mode)` Sets the file mode.
`void`	`clearStatusCache()` Clears any status cache
`Path`	`copy()`
`boolean`	`createLink(Path target, boolean hardLink)` Creates a link named by this path to another path.
`boolean`	`exists()` Returns true 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.
`long`	`getBlockCount()` Returns equivalent of struct stat.st_blocks if appropriate.
`long`	`getBlockSize()` Returns equivalent of struct stat.st_blksize if appropriate.
`long`	`getCrc64()` Returns the crc64 code.
`long`	`getDevice()` Returns equivalent of struct stat.st_dev if appropriate.
`long`	`getDeviceId()` Returns equivalent of struct stat.st_rdev if appropriate.
`int`	`getGroup()` Returns equivalent of struct stat.st_gid if appropriate.
`static java.lang.String`	`getInitMessage()`
`long`	`getInode()` Returns equivalent of struct stat.st_ino if appropriate.
`long`	`getLastAccessTime()` Returns the last access time of the file.
`long`	`getLastModified()` Returns the last modified time.
`long`	`getLastStatusChangeTime()` Returns equivalent of struct stat.st_ctime if appropriate.
`long`	`getLength()` Returns the length modified time.
`int`	`getMode()` Returns equivalent of struct stat.st_mode if appropriate.
`int`	`getNumberOfLinks()` Returns equivalent of struct stat.st_nlink if appropriate.
`int`	`getUser()` Returns equivalent of struct stat.st_uid if appropriate.
`boolean`	`isBlockDevice()` Tests if the path refers to a block device.
`boolean`	`isCharacterDevice()` Tests if the path refers to a block device.
`boolean`	`isDirectory()` Returns true if the file is a directory.
`static boolean`	`isEnabled()` Returns true if the JNI file path exists.
`boolean`	`isFIFO()` Tests if the path refers to a FIFO.
`boolean`	`isFile()` Returns true if the file is a regular file.
`boolean`	`isLink()` Returns true if the file is a symbolic link.
`protected boolean`	`isPathCacheable()` Returns true if the path itself is cacheable
`boolean`	`isSocket()` Tests if the path refers to a socket.
`StreamImpl`	`openAppendImpl()` Returns the stream implementation for an append stream.
`RandomAccessStream`	`openMemoryMappedFile(long fileLength)` Opens a random-access stream.
`RandomAccessStream`	`openRandomAccess()` Returns the stream implementation for a random-access stream.
`StreamImpl`	`openReadImpl()` Returns the stream implementation for a read stream.
`StreamImpl`	`openWriteImpl()` Returns the stream implementation for a write stream.
`java.lang.String`	`readLink()` Returns the pathname of a link
`java.lang.String`	`realPath()` Returns the pathname of a link
`boolean`	`remove()` Remove the underlying file.
`void`	`sendfile(java.io.OutputStream os, long offset, long length)` Utility to write the contents of this path to the destination stream.
`boolean`	`truncate(long length)` Truncate the file.

Methods inherited from class com.caucho.vfs.FilePath
canWrite, equals, fileChannelFactory, getDiskSpaceFree, getDiskSpaceTotal, getFile, getNativePath, getPwd, getScheme, getURL, hashCode, initialPath, isAux, list, mkdir, mkdirs, openFileRandomAccess, openReadWriteImpl, renameTo, schemeWalk, setLastModified

Methods inherited from class com.caucho.vfs.FilesystemPath
bind, createRoot, getFullPath, getParent, getPath, getRoot, getTail, getUserPath, init, normalizePath, normalizePath, setUserPath

Methods inherited from class com.caucho.vfs.Path
cacheCopy, canExecute, changeGroup, changeGroup, changeOwner, compareTo, createDepend, createNewFile, createRoot, createTempFile, escapeURL, getAttribute, getAttributeNames, getCache, getCertificates, getContentType, getCreateTime, getFileSeparatorChar, getHost, getNewlineString, getObject, getOwner, getPathSeparatorChar, getPort, getQuery, getRelativePath, getResources, getResources, getSchemeMap, getSeparatorChar, getUserDir, getValue, isExecutable, isHardLink, isObject, isSymbolicLink, isWindows, isWindowsInsecure, iterator, lookup, lookup, lookup, lookupChild, lookupImpl, lookupNative, lookupNative, lookupRelativeNativePath, openAppend, openRead, openReadWrite, openReadWrite, openReadWrite, openWrite, putCache, removeAll, renameTo, scanScheme, setDefaultSchemeMap, setExecutable, setObject, setTestWindows, setValue, toString, truncate, unbind, unwrap, writeToStream, writeToStream

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

- Constructor Detail
  - JniFilePathImpl
```
protected JniFilePathImpl(FilesystemPath root,
                          java.lang.String userPath,
                          java.lang.String path)
```
    Parameters:
    
    path - canonical path
  - JniFilePathImpl
```
public JniFilePathImpl()
```
- Method Detail
  - isEnabled
```
public static boolean isEnabled()
```
    Returns true if the JNI file path exists.
  - getInitMessage
```
public static java.lang.String getInitMessage()
```
  - 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.
    
    Overrides:
    
    fsWalk in class FilePath
    
    Parameters:
    
    userPath - the user's path to lookup()
    
    attributes - the user's attributes to lookup()
    
    path - the normalized path
    
    Returns:
    
    the selected path
  - isPathCacheable
```
protected boolean isPathCacheable()
```
    Returns true if the path itself is cacheable
    
    Overrides:
    
    isPathCacheable in class FilePath
  - exists
```
public boolean exists()
```
    Returns true if the file exists.
    
    Overrides:
    
    exists in class FilePath
  - getLastAccessTime
```
public long getLastAccessTime()
```
    Returns the last access time of the file.
    
    Overrides:
    
    getLastAccessTime in class Path
    
    Returns:
    
    0 for non-files.
  - getLastModified
```
public long getLastModified()
```
    Returns the last modified time.
    
    Overrides:
    
    getLastModified in class FilePath
    
    Returns:
    
    0 for non-files.
  - getLastStatusChangeTime
```
public long getLastStatusChangeTime()
```
    Returns equivalent of struct stat.st_ctime if appropriate.
    
    Overrides:
    
    getLastStatusChangeTime in class Path
  - getLength
```
public long getLength()
```
    Returns the length modified time.
    
    Overrides:
    
    getLength in class FilePath
    
    Returns:
    
    0 for non-files
  - chmod
```
public boolean chmod(int mode)
```
    Sets the file mode.
    
    Overrides:
    
    chmod in class Path
    
    Returns:
    
    true if successful
  - changeOwner
```
public boolean changeOwner(java.lang.String owner)
```
    Sets the file mode.
    
    Overrides:
    
    changeOwner in class Path
    
    Returns:
    
    true if successful
  - canRead
```
public boolean canRead()
```
    Returns true if the file can be read.
    
    Overrides:
    
    canRead in class FilePath
  - isDirectory
```
public boolean isDirectory()
```
    Returns true if the file is a directory.
    
    Overrides:
    
    isDirectory in class FilePath
  - isFile
```
public boolean isFile()
```
    Returns true if the file is a regular file.
    
    Overrides:
    
    isFile in class FilePath
  - isLink
```
public boolean isLink()
```
    Returns true if the file is a symbolic link.
    
    Overrides:
    
    isLink in class FilePath
  - isSocket
```
public boolean isSocket()
```
    Tests if the path refers to a socket.
    
    Overrides:
    
    isSocket in class Path
  - isFIFO
```
public boolean isFIFO()
```
    Tests if the path refers to a FIFO.
    
    Overrides:
    
    isFIFO in class Path
  - isBlockDevice
```
public boolean isBlockDevice()
```
    Tests if the path refers to a block device.
    
    Overrides:
    
    isBlockDevice in class Path
  - isCharacterDevice
```
public boolean isCharacterDevice()
```
    Tests if the path refers to a block device.
    
    Overrides:
    
    isCharacterDevice in class Path
  - getCrc64
```
public long getCrc64()
```
    Returns the crc64 code.
    
    Overrides:
    
    getCrc64 in class Path
  - remove
```
public boolean remove()
```
    Remove the underlying file.
    
    Overrides:
    
    remove in class FilePath
    
    Returns:
    
    true if successful
  - truncate
```
public boolean truncate(long length)
                 throws java.io.IOException
```
    Truncate the file.
    
    Overrides:
    
    truncate in class FilePath
    
    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 FilePath
    
    Throws:
    
    java.io.IOException
  - openWriteImpl
```
public StreamImpl openWriteImpl()
                         throws java.io.IOException
```
    Returns the stream implementation for a write stream.
    
    Overrides:
    
    openWriteImpl in class FilePath
    
    Throws:
    
    java.io.IOException
  - openAppendImpl
```
public StreamImpl openAppendImpl()
                          throws java.io.IOException
```
    Returns the stream implementation for an append stream.
    
    Overrides:
    
    openAppendImpl in class FilePath
    
    Throws:
    
    java.io.IOException
  - sendfile
```
public void sendfile(java.io.OutputStream os,
                     long offset,
                     long length)
              throws java.io.IOException
```
    Description copied from class: Path
    
    Utility to write the contents of this path to the destination stream.
    
    Overrides:
    
    sendfile in class Path
    
    Parameters:
    
    os - destination stream.
    
    Throws:
    
    java.io.IOException
  - openMemoryMappedFile
```
public RandomAccessStream openMemoryMappedFile(long fileLength)
                                        throws java.io.IOException
```
    Description copied from class: Path
    
    Opens a random-access stream.
    
    Overrides:
    
    openMemoryMappedFile in class FilePath
    
    Throws:
    
    java.io.IOException
  - openRandomAccess
```
public RandomAccessStream openRandomAccess()
                                    throws java.io.IOException
```
    Returns the stream implementation for a random-access stream.
    
    Overrides:
    
    openRandomAccess in class Path
    
    Throws:
    
    java.io.IOException
  - createLink
```
public boolean createLink(Path target,
                          boolean hardLink)
                   throws java.io.IOException
```
    Creates a link named by this path to another path.
    
    Overrides:
    
    createLink in class Path
    
    Parameters:
    
    target - the target of the link
    
    hardLink - true if the link should be a hard link
    
    Throws:
    
    java.io.IOException
  - readLink
```
public java.lang.String readLink()
```
    Returns the pathname of a link
    
    Overrides:
    
    readLink in class Path
  - realPath
```
public java.lang.String realPath()
```
    Returns the pathname of a link
    
    Overrides:
    
    realPath in class Path
  - getDevice
```
public long getDevice()
```
    Returns equivalent of struct stat.st_dev if appropriate.
    
    Overrides:
    
    getDevice in class Path
  - getInode
```
public long getInode()
```
    Returns equivalent of struct stat.st_ino if appropriate.
    
    Overrides:
    
    getInode in class Path
  - getMode
```
public int getMode()
```
    Returns equivalent of struct stat.st_mode if appropriate.
    
    Overrides:
    
    getMode in class FilePath
  - getNumberOfLinks
```
public int getNumberOfLinks()
```
    Returns equivalent of struct stat.st_nlink if appropriate.
    
    Overrides:
    
    getNumberOfLinks in class Path
  - getUser
```
public int getUser()
```
    Returns equivalent of struct stat.st_uid if appropriate.
    
    Overrides:
    
    getUser in class Path
  - getGroup
```
public int getGroup()
```
    Returns equivalent of struct stat.st_gid if appropriate.
    
    Overrides:
    
    getGroup in class Path
  - getDeviceId
```
public long getDeviceId()
```
    Returns equivalent of struct stat.st_rdev if appropriate.
    
    Overrides:
    
    getDeviceId in class Path
  - getBlockSize
```
public long getBlockSize()
```
    Returns equivalent of struct stat.st_blksize if appropriate.
    
    Overrides:
    
    getBlockSize in class Path
  - getBlockCount
```
public long getBlockCount()
```
    Returns equivalent of struct stat.st_blocks if appropriate.
    
    Overrides:
    
    getBlockCount in class Path
  - clearStatusCache
```
public void clearStatusCache()
```
    Description copied from class: Path
    
    Clears any status cache
    
    Overrides:
    
    clearStatusCache in class Path
  - copy
```
public Path copy()
```
    Overrides:
    
    copy in class FilePath

Class JniFilePathImpl

Nested Class Summary

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

Field Summary

Fields inherited from class com.caucho.vfs.FilePath

Fields inherited from class com.caucho.vfs.FilesystemPath

Fields inherited from class com.caucho.vfs.Path

Constructor Summary

Method Summary

Methods inherited from class com.caucho.vfs.FilePath

Methods inherited from class com.caucho.vfs.FilesystemPath

Methods inherited from class com.caucho.vfs.Path

Methods inherited from class java.lang.Object

Constructor Detail

JniFilePathImpl

JniFilePathImpl

Method Detail

isEnabled

getInitMessage

fsWalk

isPathCacheable

exists

getLastAccessTime

getLastModified

getLastStatusChangeTime

getLength

chmod

changeOwner

canRead

isDirectory

isFile

isLink

isSocket

isFIFO

isBlockDevice

isCharacterDevice

getCrc64

remove

truncate

openReadImpl

openWriteImpl

openAppendImpl

sendfile

openMemoryMappedFile

openRandomAccess

createLink

readLink

realPath

getDevice

getInode

getMode

getNumberOfLinks

getUser

getGroup

getDeviceId

getBlockSize

getBlockCount

clearStatusCache

copy