com.mtgi.analytics.aop.config.v11.BtJdbcPersisterBeanDefinitionParser.java Source code

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Here is the source code for com.mtgi.analytics.aop.config.v11.BtJdbcPersisterBeanDefinitionParser.java

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/* 
 * Copyright 2008-2009 the original author or authors.
 * The contents of this file are subject to the Mozilla Public License
 * Version 1.1 (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.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS"
 * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
 * License for the specific language governing rights and limitations
 * under the License.
 */

package com.mtgi.analytics.aop.config.v11;

import org.springframework.beans.MutablePropertyValues;
import org.springframework.beans.factory.config.BeanDefinition;
import org.springframework.beans.factory.config.BeanDefinitionHolder;
import org.springframework.beans.factory.support.AbstractBeanDefinition;
import org.springframework.beans.factory.support.BeanDefinitionBuilder;
import org.springframework.beans.factory.support.BeanDefinitionReaderUtils;
import org.springframework.beans.factory.xml.AbstractSingleBeanDefinitionParser;
import org.springframework.beans.factory.xml.ParserContext;
import org.springframework.util.StringUtils;
import org.w3c.dom.Element;
import org.w3c.dom.NodeList;

import com.mtgi.analytics.JdbcBehaviorEventPersisterImpl;

/** 
 * Parses the <code>bt:jdbc-persister</code> tag to produce an {@link JdbcBehaviorEventPersisterImpl} bean,
 * for inclusion in an enclosing <code>bt:manager</code> tag or as a standalone managed bean.
 */
public class BtJdbcPersisterBeanDefinitionParser extends AbstractSingleBeanDefinitionParser {

    private static final String ATT_INCREMENT = "increment";
    private static final String ELT_ID_SQL = "id-sql";

    @Override
    protected void doParse(Element element, ParserContext parserContext, BeanDefinitionBuilder builder) {

        //configure ID generator settings
        NodeList children = element.getElementsByTagNameNS("*", ELT_ID_SQL);
        if (children.getLength() == 1) {
            BeanDefinition def = builder.getRawBeanDefinition();
            MutablePropertyValues props = def.getPropertyValues();

            Element child = (Element) children.item(0);
            String sql = child.getTextContent();
            if (StringUtils.hasText(sql))
                props.addPropertyValue("idSql", sql);

            if (child.hasAttribute(ATT_INCREMENT))
                props.addPropertyValue("idIncrement", child.getAttribute(ATT_INCREMENT));
        }

        //configure nested dataSource
        NodeList nodes = element.getElementsByTagNameNS("*", "data-source");
        if (nodes.getLength() == 1) {
            Element ds = (Element) nodes.item(0);
            ds.setAttribute("name", "dataSource");
            parserContext.getDelegate().parsePropertyElement(ds, builder.getRawBeanDefinition());
        }

        //push persister into parent manager bean, if applicable
        if (parserContext.isNested()) {
            AbstractBeanDefinition def = builder.getBeanDefinition();
            String id = element.hasAttribute("id") ? element.getAttribute("id")
                    : BeanDefinitionReaderUtils.generateBeanName(def,
                            parserContext.getReaderContext().getRegistry(), true);
            BeanDefinitionHolder holder = new BeanDefinitionHolder(def, id);
            BtManagerBeanDefinitionParser.registerNestedBean(holder, "persister", parserContext);
        }
    }

    @Override
    protected Class<?> getBeanClass(Element element) {
        return JdbcBehaviorEventPersisterImpl.class;
    }

    @Override
    protected boolean shouldGenerateIdAsFallback() {
        return true;
    }

}