Class ChartDeleter

public ChartDeleter()

Blank constructor.

public void addChart(String filename)

Add a chart to be deleted when the session expires

Parameters:

filename - the name of the chart in the temporary directory to be deleted.

public boolean isChartAvailable(String filename)

Checks to see if a chart is in the list of charts to be deleted

Parameters:

filename - the name of the chart in the temporary directory.

Returns:

A boolean value indicating whether the chart is present in the list.

public void valueBound(HttpSessionBindingEvent event)

Binding this object to the session has no additional effects.

Parameters:

event - the session bind event.

public void valueUnbound(HttpSessionBindingEvent event)

When this object is unbound from the session (including upon session expiry) the files that have been added to the ArrayList are iterated and deleted.

Parameters:

event - the session unbind event.