bootstrapP
Class FileBackupper

java.lang.Object
  bootstrapP.FileBackupper

All Implemented Interfaces:

BackupperInterface

public class FileBackupper
extends java.lang.Object
implements BackupperInterface

An implementation of a backupper that works on a single file.

Author:

Marco Cornolti

Field Summary

private java.io.File

bkFile

Constructor Summary

FileBackupper(java.lang.String backupFilePath)
The file backupper constructor.

Method Summary

void	backupMs(ManagedMessageServer ms) Backup a single server data.
void	backupSingleData(java.lang.Object obj, boolean remove) Backups or removes a single data from the file.
void	backupUser(RegisteredUser reg) Backup a single user data.
void	backupWholeData(java.util.List<RegisteredUser> rUsers, java.util.List<ManagedMessageServer> mMss) Backups the whole data given by argument replacing completely the previous backups.
java.lang.String	getFilename() Get the file name of the backupper.
void	removeBackuppedMs(ManagedMessageServer ms) Remove a server contained in the backup.
void	removeBackuppedUser(RegisteredUser reg) Remove a user contained in the backup.
int	restoreData(java.util.List<RegisteredUser> restoredUsers, java.util.List<ManagedMessageServer> restoredMss)

Methods inherited from class java.lang.Object

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

Field Detail

bkFile

private java.io.File bkFile

Constructor Detail

FileBackupper

public FileBackupper(java.lang.String backupFilePath)

The file backupper constructor.

Parameters:

backupFilePath - the file path to backup the data to.

Method Detail

getFilename

public java.lang.String getFilename()

Get the file name of the backupper.

Returns:

the backupper file name.

backupWholeData

public void backupWholeData(java.util.List<RegisteredUser> rUsers,
                            java.util.List<ManagedMessageServer> mMss)
                     throws java.io.IOException

Description copied from interface: BackupperInterface

Backups the whole data given by argument replacing completely the previous backups.

Specified by:

backupWholeData in interface BackupperInterface

Parameters:

rUsers - the list of registered users to backup.

mMss - the list of managed message servers to backup.

Throws:

java.io.IOException - if an Input/Output problem occurred.

backupSingleData

public void backupSingleData(java.lang.Object obj,
                             boolean remove)
                      throws java.io.IOException

Backups or removes a single data from the file.

Parameters:

obj - the object to backup.

remove - true if the object must be removed from the backup file, false if the object must be saved.

Throws:

java.io.IOException - if an Input/Output problem occurred.

backupMs

public void backupMs(ManagedMessageServer ms)
              throws java.io.IOException

Description copied from interface: BackupperInterface

Backup a single server data.

Specified by:

backupMs in interface BackupperInterface

Parameters:

ms - the server whose data must be backupped.

Throws:

java.io.IOException - if an error occured while writing.

backupUser

public void backupUser(RegisteredUser reg)
                throws java.io.IOException

Description copied from interface: BackupperInterface

Backup a single user data.

Specified by:

backupUser in interface BackupperInterface

Parameters:

reg - the user whose data must be backupped.

Throws:

java.io.IOException - if an error occured while writing.

removeBackuppedMs

public void removeBackuppedMs(ManagedMessageServer ms)
                       throws java.io.IOException

Description copied from interface: BackupperInterface

Remove a server contained in the backup.

Specified by:

removeBackuppedMs in interface BackupperInterface

Parameters:

ms - the server to remove.

Throws:

java.io.IOException - if an InputOutput exception occurred.

removeBackuppedUser

public void removeBackuppedUser(RegisteredUser reg)
                         throws java.io.IOException

Description copied from interface: BackupperInterface

Remove a user contained in the backup.

Specified by:

removeBackuppedUser in interface BackupperInterface

Parameters:

reg - the user to remove.

Throws:

java.io.IOException - if an InputOutput exception occurred.

restoreData

public int restoreData(java.util.List<RegisteredUser> restoredUsers,
                       java.util.List<ManagedMessageServer> restoredMss)
                throws java.io.IOException,
                       java.lang.ClassNotFoundException,
                       java.io.InvalidClassException,
                       java.io.StreamCorruptedException,
                       java.io.OptionalDataException,
                       java.lang.IllegalArgumentException

Specified by:

restoreData in interface BackupperInterface

Parameters:

restoredUsers - a list where the restored users data must be copied to.

restoredMss - a list where the restored servers data must be copied to.

Returns:

the number of read datas (message servers + users).

Throws:

java.io.IOException - if an Input/Output problem occurred.

java.io.InvalidClassException - if a version compatibility problem occurred.

java.io.StreamCorruptedException - if the input stream could not be read.

java.io.OptionalDataException - if the backupped datas were not expected.

java.lang.ClassNotFoundException - if a version compatibility problem occurred.

java.lang.IllegalArgumentException - if the lists given by argument are null or not empty.