com.clican.pluto.dataprocess.spring.parser.ConditionProcessorParser.java Source code

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Here is the source code for com.clican.pluto.dataprocess.spring.parser.ConditionProcessorParser.java

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/**
 * The Clican-Pluto software suit is Copyright 2009, Clican Company and individual contributors, and is licensed under the GNU LGPL.
 *
 * @author clican
 *
 */
package com.clican.pluto.dataprocess.spring.parser;

import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.config.BeanDefinition;
import org.springframework.beans.factory.config.RuntimeBeanReference;
import org.springframework.beans.factory.support.ManagedMap;
import org.springframework.beans.factory.xml.ParserContext;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;

import com.clican.pluto.dataprocess.engine.DataProcessor;
import com.clican.pluto.dataprocess.engine.processes.ConditionProcessor;

/**
 * conditions??
 *
 * @author clican
 *
 */
public class ConditionProcessorParser extends AbstractProcessorParser {

    @SuppressWarnings("unchecked")

    public void customiseBeanDefinition(BeanDefinition beanDef, Element element, ParserContext parserContext) {
        NodeList nodeList = element.getChildNodes();
        ManagedMap processorMap = new ManagedMap();
        ManagedMap exceptionMap = new ManagedMap();
        for (int i = 0; i < nodeList.getLength(); i++) {
            Node node = nodeList.item(i);
            if (node.getNodeType() == Node.ELEMENT_NODE) {
                String localName = node.getLocalName();
                if ("cond".equals(localName)) {
                    Element condElement = (Element) node;
                    String expr = condElement.getAttribute("expr");
                    String nextDataProcessor = condElement.getAttribute("nextDataProcessor");
                    String exception = condElement.getAttribute("exception");
                    if (StringUtils.isNotEmpty(exception)) {
                        exceptionMap.put(expr, exception);
                    } else if (StringUtils.isNotEmpty(nextDataProcessor)) {
                        processorMap.put(expr, new RuntimeBeanReference(nextDataProcessor));
                    } else {
                        processorMap.put(expr, null);
                    }
                }
            }
        }
        beanDef.getPropertyValues().addPropertyValue("exceptionMap", exceptionMap);
        beanDef.getPropertyValues().addPropertyValue("dataProcessorMap", processorMap);
    }

    public Class<? extends DataProcessor> getDataProcessorClass() {
        return ConditionProcessor.class;
    }

}

// $Id: ConditionProcessorParser.java 12414 2010-05-13 07:04:18Z wei.zhang $