ChartDeleter

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java.lang.Object
- org.jfree.chart.servlet.ChartDeleter

All Implemented Interfaces:

Serializable, EventListener, javax.servlet.http.HttpSessionBindingListener
```
public class ChartDeleter
extends Object
implements javax.servlet.http.HttpSessionBindingListener, Serializable
```
Used for deleting charts from the temporary directory when the users session expires.

See Also:

Serialized Form

Constructor Summary

Constructors
Constructor and Description

ChartDeleter()
Blank constructor.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`void`	`addChart(String filename)` Add a chart to be deleted when the session expires
`boolean`	`isChartAvailable(String filename)` Checks to see if a chart is in the list of charts to be deleted
`void`	`valueBound(javax.servlet.http.HttpSessionBindingEvent event)` Binding this object to the session has no additional effects.
`void`	`valueUnbound(javax.servlet.http.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.

Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - ChartDeleter
```
public ChartDeleter()
```
    Blank constructor.
- Method Detail
  - addChart
```
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.
  - isChartAvailable
```
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.
  - valueBound
```
public void valueBound(javax.servlet.http.HttpSessionBindingEvent event)
```
    Binding this object to the session has no additional effects.
    
    Specified by:
    
    valueBound in interface javax.servlet.http.HttpSessionBindingListener
    
    Parameters:
    
    event - the session bind event.
  - valueUnbound
```
public void valueUnbound(javax.servlet.http.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.
    
    Specified by:
    
    valueUnbound in interface javax.servlet.http.HttpSessionBindingListener
    
    Parameters:
    
    event - the session unbind event.

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Jas4pp 1.5 © Java Analysis Studio for Particle Physics