001 /**
002 * GRANITE DATA SERVICES
003 * Copyright (C) 2006-2013 GRANITE DATA SERVICES S.A.S.
004 *
005 * This file is part of the Granite Data Services Platform.
006 *
007 * Granite Data Services is free software; you can redistribute it and/or
008 * modify it under the terms of the GNU Lesser General Public
009 * License as published by the Free Software Foundation; either
010 * version 2.1 of the License, or (at your option) any later version.
011 *
012 * Granite Data Services is distributed in the hope that it will be useful,
013 * but WITHOUT ANY WARRANTY; without even the implied warranty of
014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
015 * General Public License for more details.
016 *
017 * You should have received a copy of the GNU Lesser General Public
018 * License along with this library; if not, write to the Free Software
019 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
020 * USA, or see <http://www.gnu.org/licenses/>.
021 */
022 package org.granite.spring;
023
024 import javax.servlet.ServletContext;
025
026 import org.granite.config.flex.Destination;
027 import org.granite.context.GraniteContext;
028 import org.granite.messaging.service.ServiceException;
029 import org.granite.messaging.service.ServiceInvoker;
030 import org.granite.messaging.service.SimpleServiceFactory;
031 import org.granite.messaging.webapp.HttpGraniteContext;
032 import org.granite.util.XMap;
033 import org.springframework.beans.BeansException;
034 import org.springframework.beans.factory.NoSuchBeanDefinitionException;
035 import org.springframework.context.ApplicationContext;
036 import org.springframework.web.context.support.WebApplicationContextUtils;
037
038 import flex.messaging.messages.RemotingMessage;
039
040 /**
041 * @author Igor SAZHNEV
042 */
043 public class SpringServiceFactory extends SimpleServiceFactory {
044
045 private ApplicationContext springContext = null;
046
047 @Override
048 public void configure(XMap properties)throws ServiceException {
049 super.configure(properties);
050
051 // getting spring context from container
052 GraniteContext context = GraniteContext.getCurrentInstance();
053 ServletContext sc = ((HttpGraniteContext)context).getServletContext();
054 springContext = WebApplicationContextUtils.getRequiredWebApplicationContext(sc);
055 }
056
057 @Override
058 public ServiceInvoker<?> getServiceInstance(RemotingMessage request) throws ServiceException {
059 String messageType = request.getClass().getName();
060 String destinationId = request.getDestination();
061
062 GraniteContext context = GraniteContext.getCurrentInstance();
063 Destination destination = context.getServicesConfig().findDestinationById(messageType, destinationId);
064 if (destination == null)
065 throw new ServiceException("No matching destination: " + destinationId);
066
067 // all we need is to get bean name
068 // Scopes are configured in Spring config file, not in destination
069 String beanName = destination.getProperties().get("source");
070 if (beanName == null)
071 beanName = destination.getId();
072
073 try {
074 Object bean = springContext.getBean(beanName);
075 return createSpringServiceInvoker(destination, this, bean);
076 }
077 catch (NoSuchBeanDefinitionException nexc) {
078 String msg = "Spring service named '" + beanName + "' does not exist.";
079 ServiceException e = new ServiceException(msg, nexc);
080 throw e;
081 }
082 catch (BeansException bexc) {
083 String msg = "Unable to create Spring service named '" + beanName + "'";
084 ServiceException e = new ServiceException(msg, bexc);
085 throw e;
086 }
087 }
088
089 @Override
090 public String toString() {
091 return toString("\n springContext: " + springContext);
092 }
093
094 protected ServiceInvoker<?> createSpringServiceInvoker(Destination destination, SpringServiceFactory factory, Object bean) {
095 return new SpringServiceInvoker(destination, this, bean);
096 }
097 }