AutowiringSchedulerFactoryBean.java

/*
 * Licensed to Jasig under one or more contributor license
 * agreements. See the NOTICE file distributed with this work
 * for additional information regarding copyright ownership.
 * Jasig 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 the following location:
 *
 *   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.jasig.cas.util;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.InitializingBean;
import org.springframework.context.ApplicationContextAware;
import org.springframework.context.ApplicationContext;
import org.quartz.Trigger;
import org.springframework.scheduling.quartz.SchedulerFactoryBean;

import java.util.Map;

/**
 * Extension of {@link SchedulerFactoryBean} that collects trigger bean
 * definitions from the application context and calls
 * {@link #setTriggers(org.quartz.Trigger[])} to autowire triggers at
 * {@link #afterPropertiesSet()} time.
 *
 * @author Marvin S. Addison
 * @author Scott Battaglia
 * @since 3.3.4
 **/
public final class AutowiringSchedulerFactoryBean extends SchedulerFactoryBean implements ApplicationContextAware,
        InitializingBean {

    private final Logger logger = LoggerFactory.getLogger(getClass());

    private ApplicationContext applicationContext;

    @Override
    public void afterPropertiesSet() throws Exception {
        final Map<String, Trigger> triggers = this.applicationContext.getBeansOfType(Trigger.class);
        super.setTriggers(triggers.values().toArray(new Trigger[triggers.size()]));

        logger.debug("Autowired the following triggers defined in application context: {}", triggers.keySet().toString());
        super.afterPropertiesSet();
    }

    @Override
    public void setApplicationContext(final ApplicationContext applicationContext) {
        super.setApplicationContext(applicationContext);
        this.applicationContext = applicationContext;
    }
}