001 /*
002 GRANITE DATA SERVICES
003 Copyright (C) 2011 GRANITE DATA SERVICES S.A.S.
004
005 This file is part of Granite Data Services.
006
007 Granite Data Services is free software; you can redistribute it and/or modify
008 it under the terms of the GNU Library General Public License as published by
009 the Free Software Foundation; either version 2 of the License, or (at your
010 option) any later version.
011
012 Granite Data Services is distributed in the hope that it will be useful, but
013 WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
014 FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License
015 for more details.
016
017 You should have received a copy of the GNU Library General Public License
018 along with this library; if not, see <http://www.gnu.org/licenses/>.
019 */
020
021 package org.granite.spring;
022
023 import java.util.List;
024
025 import org.springframework.beans.factory.support.BeanDefinitionBuilder;
026 import org.springframework.beans.factory.support.ManagedList;
027 import org.springframework.beans.factory.xml.AbstractSingleBeanDefinitionParser;
028 import org.springframework.beans.factory.xml.ParserContext;
029 import org.springframework.core.Conventions;
030 import org.springframework.util.StringUtils;
031 import org.springframework.util.xml.DomUtils;
032 import org.w3c.dom.Element;
033
034 /**
035 * @author William Drai
036 */
037 public class RemoteDestinationBeanDefinitionParser extends AbstractSingleBeanDefinitionParser {
038
039 @Override
040 protected void doParse(Element element, ParserContext parserContext, BeanDefinitionBuilder builder) {
041 builder.setLazyInit(false);
042
043 String source = element.getAttribute("source");
044
045 // Set the default ID if necessary
046 if (!StringUtils.hasText(element.getAttribute(ID_ATTRIBUTE)) && source != null)
047 element.setAttribute(ID_ATTRIBUTE, source + "_remoteDestination");
048
049 mapOptionalAttributes(element, parserContext, builder, "id", "source");
050
051 Object sourceElement = parserContext.extractSource(element);
052 ManagedList<String> roles = new ManagedList<String>();
053 roles.setSource(sourceElement);
054 List<Element> rolesElements = DomUtils.getChildElementsByTagName(element, "roles");
055 for (Element rolesElement : rolesElements) {
056 List<Element> valueElements = DomUtils.getChildElementsByTagName(rolesElement, "role");
057 for (Element valueElement : valueElements)
058 roles.add(valueElement.getTextContent());
059 }
060 if (!roles.isEmpty())
061 builder.addPropertyValue("roles", roles);
062 }
063
064 @Override
065 protected String getBeanClassName(Element element) {
066 return "org.granite.spring.RemoteDestination";
067 }
068
069 static void mapOptionalAttributes(Element element, ParserContext parserContext, BeanDefinitionBuilder builder, String... attrs) {
070 for (String attr : attrs) {
071 String value = element.getAttribute(attr);
072 if (StringUtils.hasText(value)) {
073 String propertyName = Conventions.attributeNameToPropertyName(attr);
074 if (validateProperty(element, parserContext, propertyName, attr)) {
075 builder.addPropertyValue(propertyName, value);
076 }
077 }
078 }
079 }
080
081 private static boolean validateProperty(Element element, ParserContext parserContext, String propertyName, String attr) {
082 if (!StringUtils.hasText(propertyName)) {
083 parserContext.getReaderContext().error(
084 "Illegal property name trying to convert from attribute '" + attr + "' : cannot be null or empty.",
085 parserContext.extractSource(element));
086 return false;
087 }
088 return true;
089 }
090 }