/* | |
* Copyright 2007 the original author or authors. | |
* | |
* Licensed 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 org.codehaus.groovy.binding; | |
import groovy.lang.Closure; | |
import org.codehaus.groovy.runtime.InvokerHelper; | |
/** | |
* @author <a href="mailto:shemnon@yahoo.com">Danno Ferrin</a> | |
* @version $Revision$ | |
* @since Groovy 1.1 | |
*/ | |
public class EventTriggerBinding implements TriggerBinding { | |
Object triggerBean; | |
String eventName; | |
public EventTriggerBinding(Object triggerBean, String eventName) { | |
this.triggerBean = triggerBean; | |
this.eventName = eventName; | |
} | |
public FullBinding createBinding(final SourceBinding sourceBinding, final TargetBinding targetBinding) { | |
return new EventTriggerFullBinding(sourceBinding, targetBinding); | |
} | |
public Object getTriggerBean() { | |
return triggerBean; | |
} | |
public void setTriggerBean(Object triggerBean) { | |
this.triggerBean = triggerBean; | |
} | |
public String getEventName() { | |
return eventName; | |
} | |
public void setEventName(String eventName) { | |
this.eventName = eventName; | |
} | |
private class EventTriggerFullBinding extends AbstractFullBinding { | |
Closure handler; | |
public EventTriggerFullBinding(SourceBinding sourceBinding, TargetBinding targetBinding) { | |
setSourceBinding(sourceBinding); | |
setTargetBinding(targetBinding); | |
handler = new Closure(triggerBean) { | |
public Object call(Object[] params) { | |
update(); | |
return null; | |
} | |
}; | |
} | |
public void bind() { | |
InvokerHelper.setProperty(triggerBean, eventName, handler); | |
} | |
public void unbind() { | |
throw new UnsupportedOperationException(); | |
} | |
public void rebind() { | |
throw new UnsupportedOperationException(); | |
} | |
} | |
} |