nu.staldal.lagoon.core
Class RemoteFileStorage

java.lang.Object
  nu.staldal.lagoon.core.RemoteFileStorage

All Implemented Interfaces:

FileStorage

public abstract class RemoteFileStorage
extends java.lang.Object
implements FileStorage

Helper class to implement a FileStorage which stores file modification dates locally in the Lagoon working directory.

Constructor Summary

RemoteFileStorage()

Method Summary

protected void	closeDateFile() Close the file to store last update dates locally.
long	fileLastModified(java.lang.String pathname) Check if a file exists and when it was last modified.
protected void	fileModified(java.lang.String pathname) Signals that a file has been created or updated.
protected void	openDateFile(LagoonContext context) Open the file to store last update dates locally.

Methods inherited from class java.lang.Object

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

Methods inherited from interface nu.staldal.lagoon.core.FileStorage

close, createFile, deleteFile, isReentrant, needPassword, open

Constructor Detail

RemoteFileStorage

public RemoteFileStorage()

Method Detail

openDateFile

protected void openDateFile(LagoonContext context)
                     throws java.io.IOException

Open the file to store last update dates locally. Invoke this from the FileStorage.open(java.lang.String, nu.staldal.lagoon.core.LagoonContext, java.lang.String) method.

Throws:

java.io.IOException

closeDateFile

protected void closeDateFile()
                      throws java.io.IOException

Close the file to store last update dates locally. Invoke this in the FileStorage.close() method.

Throws:

java.io.IOException

fileModified

protected void fileModified(java.lang.String pathname)

Signals that a file has been created or updated. Invoke this after successful commitment in the OutputHandler.commit() method.

fileLastModified

public final long fileLastModified(java.lang.String pathname)

Check if a file exists and when it was last modified.

Specified by:

fileLastModified in interface FileStorage

Parameters:

pathname - path to the file

Returns:

the time when the file was last modified, or -1 if that information is not avaliable.