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/*
 * Copyright 2002-2005 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package net.hasor.spring.xml;
import net.hasor.spring.SpringModule;
import net.hasor.spring.beans.TargetFactoryBean;
import net.hasor.utils.StringUtils;
import net.hasor.utils.convert.ConverterUtils;
import org.springframework.beans.factory.support.AbstractBeanDefinition;
import org.springframework.beans.factory.support.BeanDefinitionBuilder;
import org.springframework.beans.factory.xml.ParserContext;
import org.springframework.util.ClassUtils;
import org.w3c.dom.Element;
import org.w3c.dom.NamedNodeMap;

/**
 * 负责解析 h:bean 标签
 * @version : 2016年2月16日
 * @author 赵永春 ([email protected])
 */
class BeanDefinitionParser extends AbstractHasorDefinitionParser {
    @Override
    protected String beanID(Element element, NamedNodeMap attributes) {
        String beanID = revertProperty(attributes, "id");
        if (StringUtils.isBlank(beanID)) {
            String refID = super.revertProperty(attributes, "refID");
            if (StringUtils.isBlank(refID)) {
                beanID = super.revertProperty(attributes, "refType");
                String refName = super.revertProperty(attributes, "refName");
                if (!StringUtils.isBlank(refName)) {
                    beanID = refName + "-" + beanID;
                }
            } else {
                beanID = refID;
            }
        }
        return beanID;
    }

    @Override
    protected AbstractBeanDefinition parse(Element element, NamedNodeMap attributes, ParserContext parserContext) {
        BeanDefinitionBuilder builder = BeanDefinitionBuilder.genericBeanDefinition();
        builder.getRawBeanDefinition().setBeanClass(TargetFactoryBean.class);
        //
        String factoryID = revertProperty(attributes, "hasorID");
        String refID = revertProperty(attributes, "refID");
        String refType = revertProperty(attributes, "refType");
        String refName = revertProperty(attributes, "refName");
        String lazy = revertProperty(attributes, "lazy");
        builder.setLazyInit((Boolean) ConverterUtils.convert(lazy, Boolean.TYPE));
        //
        if (StringUtils.isBlank(factoryID)) {
            factoryID = SpringModule.DEFAULT_HASOR_BEAN_NAME;
        }
        if (StringUtils.isNotBlank(refID) || StringUtils.isNotBlank(refType)) {
            builder.addPropertyReference("factory", factoryID);
            builder.addPropertyValue("refID", refID);
            //
            builder.addPropertyValue("refName", refName);
            if (StringUtils.isNotBlank(refType)) {
                try {
                    ClassLoader classLoader = parserContext.getReaderContext().getBeanClassLoader();
                    Class refTypeClass = ClassUtils.forName(refType, classLoader);
                    builder.addPropertyValue("refType", refTypeClass);
                } catch (ClassNotFoundException ex) {
                    parserContext.getReaderContext().error("Bean class [" + refType + "] not found", element, ex);
                }
            }
        } else {
            parserContext.getReaderContext().error("Bean class [" + refType + "] refID and refType ,both undefined.", element);
        }
        return builder.getBeanDefinition();
    }
}




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