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 */
022package org.granite.tide.spring;
023
024import org.granite.spring.ServerFilterBeanDefinitionParser;
025import org.springframework.aop.config.AopNamespaceUtils;
026import org.springframework.beans.factory.config.BeanDefinition;
027import org.springframework.beans.factory.config.RuntimeBeanReference;
028import org.springframework.beans.factory.parsing.BeanComponentDefinition;
029import org.springframework.beans.factory.support.RootBeanDefinition;
030import org.springframework.beans.factory.xml.BeanDefinitionParser;
031import org.springframework.beans.factory.xml.ParserContext;
032import org.w3c.dom.Element;
033
034/**
035 * @author William Drai
036 */
037public class TideDataPublishingAdviceBeanDefinitionParser implements BeanDefinitionParser {
038
039        public static final String DATA_PUBLISHING_ADVISOR_BEAN_NAME = "org.granite.tide.spring.DataPublishingAdvisor";
040
041
042        public BeanDefinition parse(Element element, ParserContext parserContext) {
043            String mode = element.getAttribute("mode");
044            if ("proxy".equals(mode))
045                AopAutoProxyConfigurer.configureAutoProxyCreator(element, parserContext);
046            else if ("aspectj".equals(mode))
047                AspectJAopAutoProxyConfigurer.configureAutoProxyCreator(element, parserContext);
048                return null;
049        }
050
051
052        /**
053         * Inner class to just introduce an AOP framework dependency when actually in proxy mode.
054         */
055        private static class AopAutoProxyConfigurer {
056
057                public static void configureAutoProxyCreator(Element element, ParserContext parserContext) {
058                        AopNamespaceUtils.registerAutoProxyCreatorIfNecessary(parserContext, element);
059
060                        if (!parserContext.getRegistry().containsBeanDefinition(DATA_PUBLISHING_ADVISOR_BEAN_NAME)) {
061                                // Create the interceptor definition.
062                                RootBeanDefinition interceptorDef = new RootBeanDefinition(TideDataPublishingInterceptor.class);
063                                interceptorDef.setSource(parserContext.extractSource(element));
064                                interceptorDef.setRole(BeanDefinition.ROLE_INFRASTRUCTURE);
065                                interceptorDef.getPropertyValues().addPropertyValue("gravity", new RuntimeBeanReference(ServerFilterBeanDefinitionParser.GRAVITY_FACTORY_BEAN_NAME));
066                                String postprocessorRef = element.getAttribute("data-update-postprocessor");
067                                if (postprocessorRef != null && postprocessorRef.trim().length() > 0)
068                                    interceptorDef.getPropertyValues().addPropertyValue("dataUpdatePostprocessor", new RuntimeBeanReference(postprocessorRef));
069
070                                RootBeanDefinition advisorDef = new RootBeanDefinition(TideDataPublishingAdvisor.class);
071                                advisorDef.setSource(parserContext.extractSource(element));
072                                advisorDef.setRole(BeanDefinition.ROLE_INFRASTRUCTURE);
073                                advisorDef.getPropertyValues().addPropertyValue("dataPublishingInterceptor", interceptorDef);
074                String order = element.getAttribute("order");
075                if (order != null && order.trim().length() > 0)
076                    advisorDef.getPropertyValues().addPropertyValue("order", Integer.parseInt(order));                 
077
078                                parserContext.registerBeanComponent(new BeanComponentDefinition(advisorDef, DATA_PUBLISHING_ADVISOR_BEAN_NAME));
079                        }
080                }
081        }
082        
083        
084    /**
085     * Inner class to just introduce an AOP framework dependency when actually in proxy mode.
086     */
087    private static class AspectJAopAutoProxyConfigurer {
088
089        public static void configureAutoProxyCreator(Element element, ParserContext parserContext) {
090            AopNamespaceUtils.registerAspectJAnnotationAutoProxyCreatorIfNecessary(parserContext, element);
091
092            if (!parserContext.getRegistry().containsBeanDefinition(DATA_PUBLISHING_ADVISOR_BEAN_NAME)) {
093                // Create the TransactionInterceptor definition.
094                RootBeanDefinition aspectDef = new RootBeanDefinition(TideDataPublishingAspect.class);
095                aspectDef.setSource(parserContext.extractSource(element));
096                aspectDef.setRole(BeanDefinition.ROLE_INFRASTRUCTURE);
097                aspectDef.getPropertyValues().addPropertyValue("gravity", new RuntimeBeanReference(ServerFilterBeanDefinitionParser.GRAVITY_FACTORY_BEAN_NAME));
098                String postprocessorRef = element.getAttribute("data-update-postprocessor");
099                if (postprocessorRef != null && postprocessorRef.trim().length() > 0)
100                    aspectDef.getPropertyValues().addPropertyValue("dataUpdatePostprocessor", new RuntimeBeanReference(postprocessorRef));
101                String order = element.getAttribute("order");
102                if (order != null && order.trim().length() > 0)
103                    aspectDef.getPropertyValues().addPropertyValue("order", Integer.parseInt(order));                 
104
105                parserContext.registerBeanComponent(new BeanComponentDefinition(aspectDef, DATA_PUBLISHING_ADVISOR_BEAN_NAME));
106            }
107        }
108    }
109}