/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package javax.faces.component.behavior;
import java.util.Collections;
import java.util.Set;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.render.ClientBehaviorRenderer;
/**
* @author Simon Lessard (latest modification by $Author: bommel $)
* @version $Revision: 1187701 $ $Date: 2011-10-22 12:21:54 +0000 (Sat, 22 Oct 2011) $
*
* @since 2.0
*/
public class ClientBehaviorBase extends BehaviorBase implements ClientBehavior
{
/**
*
*/
public ClientBehaviorBase()
{
}
/**
* {@inheritDoc}
*/
public void decode(FacesContext context, UIComponent component)
{
if (context == null)
{
throw new NullPointerException("context");
}
if (component == null)
{
throw new NullPointerException("component");
}
// If a BehaviorRenderer is available for the specified behavior renderer type, this method delegates
// to the BehaviorRenderer's decode() method. Otherwise, no decoding is performed.
ClientBehaviorRenderer renderer = getRenderer(context);
if (renderer != null)
{
renderer.decode(context, component, this);
}
}
/**
* {@inheritDoc}
*/
public Set<ClientBehaviorHint> getHints()
{
return Collections.<ClientBehaviorHint>emptySet();
}
/**
* {@inheritDoc}
*/
public String getRendererType()
{
return null;
}
/**
* {@inheritDoc}
*/
public String getScript(ClientBehaviorContext behaviorContext)
{
if (behaviorContext == null)
{
throw new NullPointerException("behaviorContext");
}
ClientBehaviorRenderer renderer = getRenderer(behaviorContext.getFacesContext());
if (renderer != null)
{
// If a BehaviorRenderer is available for the specified behavior renderer type, this method delegates
// to the BehaviorRenderer.getScript method.
return renderer.getScript(behaviorContext, this);
}
// Otherwise, this method returns null.
return null;
}
protected ClientBehaviorRenderer getRenderer(FacesContext context)
{
if (context == null)
{
throw new NullPointerException("context");
}
String rendererType = getRendererType();
if (rendererType != null)
{
return context.getRenderKit().getClientBehaviorRenderer(rendererType);
}
return null;
}
}