Revision 2030 org.gvsig.tools/library/trunk/org.gvsig.tools/org.gvsig.tools.lib/src/main/java/org/gvsig/tools/util/BaseListenerSupport.java

View differences:

BaseListenerSupport.java
3 3 
import java.util.EventListener;
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import java.util.HashSet;
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import java.util.Set;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
6 8 

  		




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public class BaseListenerSupport {


  		




  
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    protected static final Logger LOGGER = LoggerFactory.getLogger(BaseListenerSupport.class);


  		




  8
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    public interface NotificationListener extends EventListener {


  		




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        public void notify(EventListener event);


  		




  ......




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    public void notifyEvent(EventListener event) {


  		




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        for (EventListener listener : this.listeners) {


  		




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            if( listener instanceof NotificationListener ) {


  		




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                ((NotificationListener)listener).notify(event);


  		




  
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                try {


  		




  
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                    ((NotificationListener)listener).notify(event);


  		




  
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                } catch(Throwable th) {


  		




  
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                    LOGGER.warn("Problems notifying "+(event==null? "NULL":event.getClass().getSimpleName())+" to "+listener.getClass().getSimpleName());


  		




  
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                }


  		




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            }


  		




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        }


  		




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    }


  		












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