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.springframework.beans.factory.config.BeanDefinition;
025import org.springframework.beans.factory.support.BeanDefinitionBuilder;
026import org.springframework.beans.factory.xml.AbstractSingleBeanDefinitionParser;
027import org.springframework.beans.factory.xml.ParserContext;
028import org.springframework.core.Conventions;
029import org.springframework.util.StringUtils;
030import org.w3c.dom.Element;
031
032/**
033 * @author William Drai
034 */
035public class TideIdentityBeanDefinitionParser extends AbstractSingleBeanDefinitionParser {
036
037    @Override
038    protected void doParse(Element element, ParserContext parserContext, BeanDefinitionBuilder builder) {
039        
040        element.setAttribute(ID_ATTRIBUTE, "identity");
041        
042        builder.setRole(BeanDefinition.ROLE_INFRASTRUCTURE);
043        
044        String aclService = element.getAttribute("acl-service");
045        if (aclService != null && aclService.trim().length() > 0)
046                builder.addPropertyReference("aclService", aclService);
047        
048        String sidRetrievalStrategy = element.getAttribute("sid-retrieval-strategy");
049        if (sidRetrievalStrategy != null && sidRetrievalStrategy.trim().length() > 0)
050                builder.addPropertyReference("sidRetrievalStrategy", sidRetrievalStrategy);
051        
052        String objectIdentityRetrievalStrategy = element.getAttribute("object-identity-retrieval-strategy");
053        if (objectIdentityRetrievalStrategy != null && objectIdentityRetrievalStrategy.trim().length() > 0)
054                builder.addPropertyReference("objectIdentityRetrievalStrategy", objectIdentityRetrievalStrategy);
055    }
056
057    @Override
058    protected String getBeanClassName(Element element) {
059        String aclService = element.getAttribute("acl-service");
060        return "org.granite.tide.spring.security." 
061                + (aclService != null && aclService.trim().length() > 0 ? "AclIdentity" : "Identity");
062    }
063
064    static void mapOptionalAttributes(Element element, ParserContext parserContext, BeanDefinitionBuilder builder, String... attrs) {
065        for (String attr : attrs) {
066            String value = element.getAttribute(attr);
067            if (StringUtils.hasText(value)) {
068                String propertyName = Conventions.attributeNameToPropertyName(attr);
069                if (validateProperty(element, parserContext, propertyName, attr)) {
070                    builder.addPropertyValue(propertyName, value);
071                }
072            }
073        }
074    }
075
076    private static boolean validateProperty(Element element, ParserContext parserContext, String propertyName, String attr) {
077        if (!StringUtils.hasText(propertyName)) {
078            parserContext.getReaderContext().error(
079                "Illegal property name trying to convert from attribute '" + attr + "' : cannot be null or empty.",
080                parserContext.extractSource(element));
081            return false;
082        }
083        return true;
084    }
085}