com.sun.faces.application.NamedEventManager Maven / Gradle / Ivy
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package com.sun.faces.application;
import com.sun.faces.util.Util;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
import javax.faces.FacesException;
import javax.faces.event.PostAddToViewEvent;
import javax.faces.event.PostValidateEvent;
import javax.faces.event.PreValidateEvent;
import javax.faces.event.ComponentSystemEvent;
import javax.faces.event.PreRenderComponentEvent;
import javax.faces.event.PreRenderViewEvent;
import javax.faces.event.SystemEvent;
/**
* Note: New, relevant spec'd ComponentSystemEvents must be added to the constructor
*/
public class NamedEventManager {
private Map> namedEvents =
new ConcurrentHashMap>();
private Map>> duplicateNames =
new ConcurrentHashMap>>();
public NamedEventManager() {
namedEvents.put("javax.faces.event.PreRenderComponent", PreRenderComponentEvent.class);
namedEvents.put("javax.faces.event.PreRenderView", PreRenderViewEvent.class);
namedEvents.put("javax.faces.event.PostAddToView", PostAddToViewEvent.class);
namedEvents.put("javax.faces.event.PreValidate", PreValidateEvent.class);
namedEvents.put("javax.faces.event.PostValidate", PostValidateEvent.class);
namedEvents.put("preRenderComponent", PreRenderComponentEvent.class);
namedEvents.put("preRenderView", PreRenderViewEvent.class);
namedEvents.put("postAddToView", PostAddToViewEvent.class);
namedEvents.put("preValidate", PreValidateEvent.class);
namedEvents.put("postValidate", PostValidateEvent.class);
}
public void addNamedEvent(String name, Class event) {
namedEvents.put(name, event);
}
public Class getNamedEvent(String name) {
Class namedEvent = namedEvents.get(name);
if (namedEvent == null) {
try {
namedEvent = Util.loadClass(name, this);
} catch (ClassNotFoundException ex) {
throw new FacesException ("An unknown event type was specified: " + name, ex);
}
}
if (!ComponentSystemEvent.class.isAssignableFrom(namedEvent)) {
throw new ClassCastException();
}
return namedEvent;
}
public void addDuplicateName(String name, Class event) {
Class registeredEvent = namedEvents.remove(name);
Set> events = duplicateNames.get(name);
if (events == null) {
events = new HashSet>();
duplicateNames.put(name, events);
}
events.add(event);
if (registeredEvent != null) {
events.add(registeredEvent);
}
}
public boolean isDuplicateNamedEvent(String name) {
return (namedEvents.get(name) != null) || (duplicateNames.get(name) != null);
}
}