org.alfresco.jlan.smb.server.disk

Class NIOJavaNetworkFile

java.lang.Object

org.alfresco.jlan.server.filesys.NetworkFile

org.alfresco.jlan.smb.server.disk.NIOJavaNetworkFile

public class NIOJavaNetworkFile
extends NetworkFile

Network file implementation that uses the java.io.File class.

Author:

gkspencer

Field Summary

Fields

Modifier and Type	Field and Description
protected FileChannel	m_channel
protected boolean	m_eof
protected File	m_file
protected RandomAccessFile	m_io

Fields inherited from class org.alfresco.jlan.server.filesys.NetworkFile

ATTRIBUTESONLY, Created, DelayedClose, DelayedWriteError, DeleteOnClose, IOPending, m_accessDate, m_allowedAccess, m_attrib, m_closed, m_createDate, m_dirId, m_fid, m_fileSize, m_fullName, m_grantedAccess, m_modifyDate, m_name, m_streamId, m_streamName, m_uniqueId, m_writeCount, READONLY, READWRITE, WRITEONLY

Constructor Summary

Constructors

Constructor and Description
NIOJavaNetworkFile(File file, String netPath) Class constructor.
NIOJavaNetworkFile(String name, int mode) Class constructor.
NIOJavaNetworkFile(String name, String netPath) Class constructor.

Method Summary

Modifier and Type	Method and Description
void	closeFile() Close the network file.
long	currentPosition() Return the current file position.
void	flushFile() Flush the file.
boolean	isEndOfFile() Determine if the end of file has been reached.
void	lockFile(NIOFileLock lock) Lock a byte range within the file
void	openFile(boolean createFlag) Open the file.
int	readFile(byte[] buf, int len, int pos, long fileOff) Read from the file.
long	seekFile(long pos, int typ) Seek to the specified file position.
void	truncateFile(long siz) Truncate the file
void	unlockFile(NIOFileLock lock) Unlock a byte range within the file
void	writeFile(byte[] buf, int len, int pos) Write a block of data to the file.
void	writeFile(byte[] buf, int len, int pos, long offset) Write a block of data to the file.

Methods inherited from class org.alfresco.jlan.server.filesys.NetworkFile

addLock, allowsOpenCloseViaNetworkFile, close, getAccessDate, getAccessToken, getAllowedAccess, getCreationDate, getDirectoryId, getFileAttributes, getFileId, getFileSize, getFileSizeInt, getFullName, getFullNameStream, getGrantedAccess, getGrantedAccessAsString, getLockAt, getLockList, getModifyDate, getName, getOpLock, getProtocolId, getStreamId, getStreamName, getUniqueId, getWriteCount, hasAccessDate, hasAccessToken, hasCreationDate, hasDelayedClose, hasDelayedWriteError, hasDeleteOnClose, hasIOPending, hasLocks, hasModifyDate, hasNTAttribute, hasOpLock, incrementWriteCount, isArchived, isClosed, isDirectory, isForce, isHidden, isReadOnly, isStream, isSystem, numberOfLocks, removeAllLocks, removeLock, setAccessDate, setAccessToken, setAllowedAccess, setAttributes, setClosed, setCreationDate, setDelayedClose, setDelayedWriteError, setDeleteOnClose, setDirectoryId, setFileId, setFileSize, setFileSize, setForce, setFullName, setGrantedAccess, setIOPending, setModifyDate, setName, setOpLock, setProtocolId, setStatusFlag, setStreamId, setStreamName, setUniqueId, setUniqueId, setUniqueId, toString, wasCreated

Methods inherited from class java.lang.Object

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

Field Detail

m_file

protected File m_file

m_io

protected RandomAccessFile m_io

m_eof

protected boolean m_eof

m_channel

protected FileChannel m_channel

Constructor Detail

NIOJavaNetworkFile

public NIOJavaNetworkFile(File file,
                          String netPath)

Class constructor.

Parameters:

file - File

netPath - String

NIOJavaNetworkFile

public NIOJavaNetworkFile(String name,
                          String netPath)

Class constructor.

Parameters:

name - String

netPath - String

NIOJavaNetworkFile

public NIOJavaNetworkFile(String name,
                          int mode)

Class constructor.

Parameters:

name - File name/path

mode - File access mode

Method Detail

closeFile

public void closeFile()
               throws IOException

Close the network file.

Specified by:

closeFile in class NetworkFile

Throws:

IOException

currentPosition

public long currentPosition()

Return the current file position.

Returns:

long

flushFile

public void flushFile()
               throws IOException

Flush the file.

Specified by:

flushFile in class NetworkFile

Throws:

IOException

isEndOfFile

public boolean isEndOfFile()
                    throws IOException

Determine if the end of file has been reached.

Returns:

boolean

Throws:

IOException

openFile

public void openFile(boolean createFlag)
              throws IOException

Open the file.

Specified by:

openFile in class NetworkFile

Parameters:

createFlag - boolean

Throws:

IOException

readFile

public int readFile(byte[] buf,
                    int len,
                    int pos,
                    long fileOff)
             throws IOException

Read from the file.

Specified by:

readFile in class NetworkFile

Parameters:

buf - byte[]

len - int

pos - int

fileOff - long

Returns:

Length of data read.

Throws:

IOException

seekFile

public long seekFile(long pos,
                     int typ)
              throws IOException

Seek to the specified file position.

Specified by:

seekFile in class NetworkFile

Parameters:

pos - long

typ - int

Returns:

long

Throws:

IOException

truncateFile

public void truncateFile(long siz)
                  throws IOException

Truncate the file

Specified by:

truncateFile in class NetworkFile

Parameters:

siz - long

Throws:

IOException

writeFile

public void writeFile(byte[] buf,
                      int len,
                      int pos)
               throws IOException

Write a block of data to the file.

Parameters:

buf - byte[]

len - int

Throws:

IOException

writeFile

public void writeFile(byte[] buf,
                      int len,
                      int pos,
                      long offset)
               throws IOException

Write a block of data to the file.

Specified by:

writeFile in class NetworkFile

Parameters:

buf - byte[]

len - int

pos - int

offset - long

Throws:

IOException

lockFile

public void lockFile(NIOFileLock lock)
              throws IOException

Lock a byte range within the file

Parameters:

lock - NIOFileLock

Throws:

IOException

unlockFile

public void unlockFile(NIOFileLock lock)
                throws IOException

Unlock a byte range within the file

Parameters:

lock - NIOFileLock

Throws:

IOException