Yes, you've stumbled on one of the uglinesses of Commons Configuration. We
should convert these to an Enum in the experimental branch.
The particular event you encountered is defined in AbstractFileConfiguration.
/** Constant for the configuration reload event.*/
public static final int EVENT_RELOAD = 20;
/** Constant fro the configuration changed event. */
public static final int EVENT_CONFIG_CHANGED = 21;
Ralph
On Feb 14, 2011, at 10:35 PM, Moein Enayati wrote:
> Dear All
>
> I’ve just have an XMLConfiguration object initialized like this :
>
>
> * *
>
> * this.xmlConfig = new XMLConfiguration("preferences.xml");*
>
> * this.xmlConfig.setAutoSave(true);*
>
> * this.xmlConfig.setReloadingStrategy(new
> FileChangedReloadingStrategy());*
>
>
>
>
> and a bean implements ConfigurationListener Interface like this :
>
>
>
>
> *public abstract class DefaultBean implements
> Serializable,ConfigurationListener {*
>
> *protected PropertyChangeSupport propertyChangeSupport = new
> PropertyChangeSupport(this);*
>
> * public abstract String getXmlBeanPropertyAddress();*
>
> * public void configurationChanged(ConfigurationEvent event) {*
>
> *System.out.println(“Event Type Value is 20 ! >> ”+event.getType());*
>
> *}*
>
> *}*
>
>
> Also I’ve registered my bean and the XMLConfigoration as listeners :
>
>
>
>
> * this.xmlConfig.addConfigurationListener(myBeanInstance);*
>
> *
> myBeanInstance.addPropertyChangeListener(getPropertyChangeListener());*
>
>
>
>
> To test the AutoReloadEvents , simply I used a timer which gets a property
> of my XMLConfiguration object each 2 Seconds and it seems working .
> *myBeanInstance.
> configurationChanged() * is invoked about two minutes after any change in
> the source *preferences.xml*.
>
> *
> *
>
> *But there is a small problem! *
>
>
> The *event.getType()* returns a value of *20* which I could not find it in
> *XMLConfiguration.EVENT_* constants.
>
> Would you please help me to find the mistake I’ve probably done or is there
> any way to have a trace line?
>
>
>
> I could find only these EVENT_ constants :
>
>
>
> *XMLConfiguration.EVENT_ADD_NODES = 11*
>
> *XMLConfiguration.EVENT_ADD_PROPERTY = 1*
>
> *XMLConfiguration.EVENT_CLEAR = 4*
>
> *XMLConfiguration.EVENT_CLEAR_PROPERTY = 2*
>
> *XMLConfiguration.EVENT_CLEAR_TREE =10*
>
> *XMLConfiguration.EVENT_READ_PROPERTY =5*
>
> *XMLConfiguration.EVENT_SET_PROPERTY =3*
>
> *XMLConfiguration.EVENT_SUBNODE_CHANGED =12*
>
>
>
>
> Thanks / Moein
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