org.alfresco.jlan.server.filesys.db

Class LocalDataNetworkFile

java.lang.Object

org.alfresco.jlan.server.filesys.NetworkFile

org.alfresco.jlan.server.filesys.db.DBNetworkFile

org.alfresco.jlan.server.filesys.db.LocalDataNetworkFile

All Implemented Interfaces:

NetworkFileStateInterface

public class LocalDataNetworkFile
extends DBNetworkFile

Local Data Network File Class

Maps a file in a virtual filesystem to a file in the local filesystem.

Author:

gkspencer

Field Summary

Fields

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

Fields inherited from class org.alfresco.jlan.server.filesys.db.DBNetworkFile

DBCacheFile

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
LocalDataNetworkFile(String name, int fid, int did, File file) Class constructor

Method Summary

Methods

Modifier and Type	Method and Description
void	closeFile() Close the file
void	flushFile() Flush any buffered output to 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 to the specified file size
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.db.DBNetworkFile

getFileState, getLoader, getOwnerSessionId, getStatus, hasFileState, hasLoader, hasOwnerSessionId, setFileDetails, setFileState, setLoader, setOwnerSessionId, setStatus

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

Constructor Detail

LocalDataNetworkFile

public LocalDataNetworkFile(String name,
                    int fid,
                    int did,
                    File file)

Class constructor

Parameters:

name - String

fid - int

did - int

file - File

Method Detail

openFile

public void openFile(boolean createFlag)
              throws IOException

Open the file

Overrides:

openFile in class DBNetworkFile

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 - int

Returns:

Length of data read.

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 - int

Throws:

IOException

flushFile

public final void flushFile()
                     throws IOException

Flush any buffered output to the file

Specified by:

flushFile in class NetworkFile

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 to the specified file size

Specified by:

truncateFile in class NetworkFile

Parameters:

siz - long

Throws:

IOException

closeFile

public void closeFile()

Close the file

Specified by:

closeFile in class NetworkFile