Java tutorial
/* * This code is distributed under The GNU Lesser General Public License (LGPLv3) * Please visit GNU site for LGPLv3 http://www.gnu.org/copyleft/lesser.html * * Copyright Denis Pavlov 2009 * Web: http://www.genericdtoassembler.org * SVN: https://svn.code.sf.net/p/geda-genericdto/code/trunk/ * SVN (mirror): http://geda-genericdto.googlecode.com/svn/trunk/ */ package com.inspiresoftware.lib.dto.geda.config; import com.inspiresoftware.lib.dto.geda.impl.DTOSupportImpl; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.beans.MutablePropertyValues; import org.springframework.beans.factory.config.BeanDefinition; import org.springframework.beans.factory.config.BeanDefinitionHolder; import org.springframework.beans.factory.config.RuntimeBeanReference; import org.springframework.beans.factory.support.BeanDefinitionRegistry; import org.springframework.beans.factory.support.RootBeanDefinition; import org.springframework.beans.factory.xml.BeanDefinitionDecorator; import org.springframework.beans.factory.xml.BeanDefinitionParser; import org.springframework.beans.factory.xml.ParserContext; import org.springframework.util.StringUtils; import org.w3c.dom.Element; import org.w3c.dom.Node; /** * . * <p/> * User: denispavlov * Date: Jan 25, 2012 * Time: 4:12:57 PM */ public class XmlDrivenGeDABeanDefinitionParser implements BeanDefinitionParser, BeanDefinitionDecorator { private static final Logger LOG = LoggerFactory.getLogger(XmlDrivenGeDABeanDefinitionParser.class); private static final String XSD_ATTR__DTO_SUPPORT = "dto-support"; private static final String XSD_ATTR__DTO_FACTORY = "dto-factory"; private static final String XSD_ATTR__DTO_ADAPTERS_REGISTRAR = "dto-adapters-registrar"; private static final String XSD_ATTR__DTO_DSL_REGISTRAR = "dto-dsl-registrar"; private static final String XSD_ATTR__ON_DTO_ASSEMBLY = "on-dto-assembly"; private static final String XSD_ATTR__ON_DTO_ASSEMBLED = "on-dto-assembled"; private static final String XSD_ATTR__ON_DTO_FAILED = "on-dto-failed"; private static final String XSD_ATTR__ON_ENTITY_ASSEMBLY = "on-entity-assembly"; private static final String XSD_ATTR__ON_ENTITY_ASSEMBLED = "on-entity-assembled"; private static final String XSD_ATTR__ON_ENTITY_FAILED = "on-entity-failed"; private static final String XSD_ATTR__PROPERTY = "property"; private String dtoSupportBeanName = null; public BeanDefinition parse(final Element element, final ParserContext parserContext) { dtoSupportBeanName = element.getAttribute(XSD_ATTR__DTO_SUPPORT); final BeanDefinitionRegistry registry = parserContext.getRegistry(); final Object elementSource = parserContext.extractSource(element); if (!registry.containsBeanDefinition(dtoSupportBeanName)) { final String dtoFactoryBeanName = element.getAttribute(XSD_ATTR__DTO_FACTORY); final RuntimeBeanReference dtoFactoryRef = new RuntimeBeanReference(dtoFactoryBeanName); final String dtoVcrBeanName = element.getAttribute(XSD_ATTR__DTO_ADAPTERS_REGISTRAR); final RuntimeBeanReference dtoVcrRef; if (StringUtils.hasLength(dtoVcrBeanName)) { dtoVcrRef = new RuntimeBeanReference(dtoVcrBeanName); } else { dtoVcrRef = null; } final String dtoDslBeanName = element.getAttribute(XSD_ATTR__DTO_DSL_REGISTRAR); final RuntimeBeanReference dtoDslRef; if (StringUtils.hasLength(dtoDslBeanName)) { dtoDslRef = new RuntimeBeanReference(dtoDslBeanName); } else { dtoDslRef = null; } this.setupDtoSupport(element, dtoSupportBeanName, registry, elementSource, dtoFactoryRef, dtoVcrRef, dtoDslRef); } return null; } public BeanDefinitionHolder decorate(final Node node, final BeanDefinitionHolder definition, final ParserContext parserContext) { final BeanDefinition beanDefinition = definition.getBeanDefinition(); final String dtoSupportProperty = node.getAttributes().getNamedItem(XSD_ATTR__PROPERTY).getNodeValue(); final MutablePropertyValues properties = beanDefinition.getPropertyValues(); properties.add(dtoSupportProperty, new RuntimeBeanReference(dtoSupportBeanName)); return definition; } protected RuntimeBeanReference setupDtoSupport(final Element element, final String dtoSupportBeanName, final BeanDefinitionRegistry registry, final Object elementSource, final RuntimeBeanReference dtoFactoryRef, final RuntimeBeanReference dtoVcrRef, final RuntimeBeanReference dtoDslRef) { final RootBeanDefinition dtoSupportDef = new RootBeanDefinition(DTOSupportImpl.class); dtoSupportDef.setSource(elementSource); dtoSupportDef.setRole(BeanDefinition.ROLE_APPLICATION); final MutablePropertyValues valuesArgs = dtoSupportDef.getPropertyValues(); valuesArgs.addPropertyValue("beanFactory", dtoFactoryRef); if (dtoVcrRef != null) { valuesArgs.addPropertyValue("adaptersRegistrar", dtoVcrRef); } if (dtoDslRef != null) { valuesArgs.addPropertyValue("dslRegistrar", dtoDslRef); } setupListenerProperty(valuesArgs, "onDtoAssembly", element.getAttribute(XSD_ATTR__ON_DTO_ASSEMBLY)); setupListenerProperty(valuesArgs, "onDtoAssembled", element.getAttribute(XSD_ATTR__ON_DTO_ASSEMBLED)); setupListenerProperty(valuesArgs, "onDtoFailed", element.getAttribute(XSD_ATTR__ON_DTO_FAILED)); setupListenerProperty(valuesArgs, "onEntityAssembly", element.getAttribute(XSD_ATTR__ON_ENTITY_ASSEMBLY)); setupListenerProperty(valuesArgs, "onEntityAssembled", element.getAttribute(XSD_ATTR__ON_ENTITY_ASSEMBLED)); setupListenerProperty(valuesArgs, "onEntityFailed", element.getAttribute(XSD_ATTR__ON_ENTITY_FAILED)); registry.registerBeanDefinition(dtoSupportBeanName, dtoSupportDef); return new RuntimeBeanReference(dtoSupportBeanName); } protected void setupListenerProperty(final MutablePropertyValues valuesArgs, final String property, final String listenerName) { if (StringUtils.hasLength(listenerName)) { valuesArgs.addPropertyValue(property, new RuntimeBeanReference(listenerName)); } } }