/*
* Copyright 2014 Jason Burgess
*
* 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.atmosphere.spring;
import org.atmosphere.cpr.AtmosphereFramework;
import org.atmosphere.cpr.AtmosphereObjectFactory;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.context.ApplicationContext;
import org.springframework.context.annotation.AnnotationConfigApplicationContext;
/**
* An {@link AtmosphereObjectFactory} for Spring.
*
* @author Jean-Francois Arcand
*/
public class SpringObjectFactory implements AtmosphereObjectFactory {
private static final Logger logger = LoggerFactory.getLogger(SpringObjectFactory.class);
@Override
public <T, U extends T> U newClassInstance(AtmosphereFramework framework, Class<T> classType, Class<U> classToInstantiate) throws InstantiationException, IllegalAccessException {
ApplicationContext context =
new AnnotationConfigApplicationContext(classToInstantiate);
U t = context.getBean(classToInstantiate);
if (t == null) {
logger.info("Unable to find {}. Creating the object directly.", classToInstantiate.getName());
return classToInstantiate.newInstance();
}
return t;
}
public String toString() {
return "Spring ObjectFactory";
}
}