com.bstek.dorado.idesupport.parse.ChildTemplateParser.java Source code

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Here is the source code for com.bstek.dorado.idesupport.parse.ChildTemplateParser.java

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/*
 * This file is part of Dorado 7.x (http://dorado7.bsdn.org).
 * 
 * Copyright (c) 2002-2012 BSTEK Corp. All rights reserved.
 * 
 * This file is dual-licensed under the AGPLv3 (http://www.gnu.org/licenses/agpl-3.0.html) 
 * and BSDN commercial (http://www.bsdn.org/licenses) licenses.
 * 
 * If you are unsure which license is appropriate for your use, please contact the sales department
 * at http://www.bstek.com/contact.
 */

package com.bstek.dorado.idesupport.parse;

import java.util.List;
import java.util.Map;

import org.apache.commons.beanutils.BeanUtils;
import org.apache.commons.lang.StringUtils;
import org.w3c.dom.Element;
import org.w3c.dom.Node;

import com.bstek.dorado.common.ClientType;
import com.bstek.dorado.config.ParseContext;
import com.bstek.dorado.config.xml.ConfigurableDispatchableXmlParser;
import com.bstek.dorado.config.xml.XmlParseException;
import com.bstek.dorado.idesupport.template.ChildTemplate;
import com.bstek.dorado.idesupport.template.RuleTemplate;
import com.bstek.dorado.util.xml.DomUtils;

/**
 * @author Benny Bao (mailto:benny.bao@bstek.com)
 * @since 2009-11-19
 */
public class ChildTemplateParser extends ConfigurableDispatchableXmlParser {

    private RuleTemplateParser ruleTemplateParser;
    private RuleTemplateParser globalRuleTemplateParser;

    public void setRuleTemplateParser(RuleTemplateParser ruleTemplateParser) {
        this.ruleTemplateParser = ruleTemplateParser;
    }

    public void setGlobalRuleTemplateParser(RuleTemplateParser globalRuleTemplateParser) {
        this.globalRuleTemplateParser = globalRuleTemplateParser;
    }

    @Override
    protected Object doParse(Node node, ParseContext context) throws Exception {
        Element element = (Element) node;
        ConfigRuleParseContext parserContext = (ConfigRuleParseContext) context;

        Map<String, Object> properties = this.parseProperties(element, context);
        String name = (String) properties.remove("name");

        RuleTemplate ruleTemplate;
        String ruleName = (String) properties.remove("rule");
        if (StringUtils.isNotEmpty(ruleName)) {
            ruleTemplate = globalRuleTemplateParser.getRuleTemplate(ruleName, parserContext);
            if (ruleTemplate == null) {
                throw new XmlParseException("Unknown Rule [" + ruleName + "].", node, context);
            }
        } else {
            List<Element> childElements = DomUtils.getChildElements(element);
            if (childElements.size() == 1) {
                ruleTemplate = (RuleTemplate) ruleTemplateParser.parse(childElements.get(0), parserContext);
                ruleName = ruleTemplate.getNodeName();
                if (StringUtils.isEmpty(ruleName)) {
                    ruleName = ruleTemplate.getName();
                }
            } else {
                throw new XmlParseException("Rule undefined.", element, context);
            }
        }
        properties.put("ruleTemplate", ruleTemplate);

        if (StringUtils.isEmpty(name)) {
            name = ruleName;
        }

        ChildTemplate child = new ChildTemplate(name);

        String clientTypesText = (String) properties.remove("clientTypes");
        int clientTypes = ClientType.parseClientTypes(clientTypesText);
        if (clientTypes > 0) {
            child.setClientTypes(clientTypes);
        }

        BeanUtils.copyProperties(child, properties);
        return child;
    }

}