Java tutorial
/* * Copyright 2010 JBoss Inc * * Licensed 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 * * 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.drools.container.spring.namespace; import org.drools.container.spring.beans.GridNodeBeanFactory; import org.springframework.beans.factory.support.AbstractBeanDefinition; import org.springframework.beans.factory.support.BeanDefinitionBuilder; import org.springframework.beans.factory.xml.AbstractBeanDefinitionParser; import org.springframework.beans.factory.xml.ParserContext; import org.springframework.util.StringUtils; import org.w3c.dom.Element; import org.w3c.dom.Node; public class GridNodeDefinitionParser extends AbstractBeanDefinitionParser { private static final String GRID_ATTRIBUTE = "grid"; private static final String PORT_ATTRIBUTE = "port"; @Override protected AbstractBeanDefinition parseInternal(Element element, ParserContext parserContext) { BeanDefinitionBuilder factory = BeanDefinitionBuilder.rootBeanDefinition(GridNodeBeanFactory.class); String id = element.getAttribute("id"); factory.addPropertyValue("id", id); String connectionRef = element.getAttribute(GRID_ATTRIBUTE); if (StringUtils.hasText(connectionRef)) { factory.addPropertyReference(GRID_ATTRIBUTE, connectionRef); } for (int i = 0, length = element.getChildNodes().getLength(); i < length; i++) { Node n = element.getChildNodes().item(i); if (n instanceof Element) { Element e = (Element) n; if ("socket-service".equals(e.getLocalName())) { String port = e.getAttribute(PORT_ATTRIBUTE); if (StringUtils.hasText(port)) { factory.addPropertyValue("port", port); } } } } return factory.getBeanDefinition(); } }