/*******************************************************************************
* This file is part of OpenNMS(R).
*
* Copyright (C) 2009-2011 The OpenNMS Group, Inc.
* OpenNMS(R) is Copyright (C) 1999-2011 The OpenNMS Group, Inc.
*
* OpenNMS(R) is a registered trademark of The OpenNMS Group, Inc.
*
* OpenNMS(R) is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published
* by the Free Software Foundation, either version 3 of the License,
* or (at your option) any later version.
*
* OpenNMS(R) is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with OpenNMS(R). If not, see:
* http://www.gnu.org/licenses/
*
* For more information contact:
* OpenNMS(R) Licensing <license@opennms.org>
* http://www.opennms.org/
* http://www.opennms.com/
*******************************************************************************/
package org.opennms.core.soa.support;
import java.util.Map;
import org.opennms.core.soa.Registration;
import org.opennms.core.soa.ServiceRegistry;
import org.springframework.beans.BeansException;
import org.springframework.beans.factory.BeanFactory;
import org.springframework.beans.factory.BeanFactoryAware;
import org.springframework.beans.factory.DisposableBean;
import org.springframework.beans.factory.FactoryBean;
import org.springframework.beans.factory.InitializingBean;
import org.springframework.util.Assert;
import org.springframework.util.StringUtils;
/**
* ServiceRegistrationBean
*
* @author brozow
* @version $Id: $
*/
public class ServiceFactoryBean implements FactoryBean<Registration>, BeanFactoryAware, InitializingBean, DisposableBean {
private BeanFactory m_beanFactory;
private ServiceRegistry m_serviceRegistry;
private String m_targetBeanName;
private Object m_target;
private Class<?>[] m_serviceInterfaces;
private Map<String, String> m_serviceProperties;
private Registration m_registration;
/** {@inheritDoc} */
public void setBeanFactory(BeanFactory beanFactory) throws BeansException {
m_beanFactory = beanFactory;
}
/**
* <p>setTargetBeanName</p>
*
* @param targetBeanName a {@link java.lang.String} object.
*/
public void setTargetBeanName(String targetBeanName) {
m_targetBeanName = targetBeanName;
}
/**
* <p>setTarget</p>
*
* @param target a {@link java.lang.Object} object.
*/
public void setTarget(Object target) {
m_target = target;
}
/**
* <p>setInterfaces</p>
*
* @param serviceInterfaces an array of {@link java.lang.Class} objects.
*/
public void setInterfaces(Class<?>[] serviceInterfaces) {
m_serviceInterfaces = serviceInterfaces;
}
/**
* <p>setServiceProperties</p>
*
* @param serviceInterfaces an array of {@link java.lang.Class} objects.
*/
public void setServiceProperties(Map<String, String> serviceProperties) {
m_serviceProperties = serviceProperties;
}
/**
* <p>setServiceRegistry</p>
*
* @param serviceRegistry a {@link org.opennms.core.soa.ServiceRegistry} object.
*/
public void setServiceRegistry(ServiceRegistry serviceRegistry) {
m_serviceRegistry = serviceRegistry;
}
/**
* <p>afterPropertiesSet</p>
*
* @throws java.lang.Exception if any.
*/
@Override
public void afterPropertiesSet() throws Exception {
boolean hasText = StringUtils.hasText(m_targetBeanName);
Assert.isTrue(hasText || m_target != null, "targetBeanName or target must be set");
Assert.notEmpty(m_serviceInterfaces, "interfaces must be set");
if (m_target == null) {
Assert.notNull(m_beanFactory, "beanFactory must not be null");
}
Object provider = m_target != null ? m_target : m_beanFactory.getBean(m_targetBeanName);
m_registration = m_serviceRegistry.register(provider, m_serviceProperties, m_serviceInterfaces);
}
/**
* <p>destroy</p>
*
* @throws java.lang.Exception if any.
*/
public void destroy() throws Exception {
if ( m_registration != null ) {
m_registration.unregister();
}
}
/**
* <p>getObject</p>
*
* @return a {@link org.opennms.core.soa.Registration} object.
* @throws java.lang.Exception if any.
*/
public Registration getObject() throws Exception {
return m_registration;
}
/**
* <p>getObjectType</p>
*
* @return a {@link java.lang.Class} object.
*/
public Class<? extends Registration> getObjectType() {
return (m_registration == null ? Registration.class : m_registration.getClass());
}
/**
* <p>isSingleton</p>
*
* @return a boolean.
*/
public boolean isSingleton() {
return true;
}
}