EventModule.java

/*
 *    Copyright 2012 Jason Miller
 *
 * 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 jj.event;

import com.google.inject.TypeLiteral;
import com.google.inject.matcher.AbstractMatcher;

import jj.JJModule;
import jj.execution.TaskRunner;

/**
 * @author jason
 *
 */
public class EventModule extends JJModule {
	
	private static class SubscriberMatcher extends AbstractMatcher<TypeLiteral<?>> {

		@Override
		public boolean matches(TypeLiteral<?> t) {
			Class<?> c = t.getRawType();
			boolean result = c.isAnnotationPresent(Subscriber.class) ||
				TaskRunner.class.isAssignableFrom(c) ||
				Publisher.class.isAssignableFrom(c);
			
			return result;
		}
	}
	
	@Override
	protected void configure() {
		
		bindListener(new SubscriberMatcher(), new EventConfiguringTypeListener());
		bind(Publisher.class).to(PublisherImpl.class);
	}

}