Package org.apache.ftpserver.config.spring

Source Code of org.apache.ftpserver.config.spring.CommandFactoryBeanDefinitionParser

/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements.  See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership.  The ASF licenses this file
* to you 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 org.apache.ftpserver.config.spring;

import java.util.List;

import org.apache.ftpserver.command.CommandFactory;
import org.apache.ftpserver.command.CommandFactoryFactory;
import org.springframework.beans.factory.config.BeanDefinition;
import org.springframework.beans.factory.config.BeanDefinitionHolder;
import org.springframework.beans.factory.support.BeanDefinitionBuilder;
import org.springframework.beans.factory.support.ManagedMap;
import org.springframework.beans.factory.xml.AbstractSingleBeanDefinitionParser;
import org.springframework.beans.factory.xml.ParserContext;
import org.springframework.util.StringUtils;
import org.w3c.dom.Element;

/**
* Parses the FtpServer "commands" element into a Spring bean graph
*
* @author <a href="http://mina.apache.org">Apache MINA Project</a>
*/
public class CommandFactoryBeanDefinitionParser extends
        AbstractSingleBeanDefinitionParser {

    /**
     * {@inheritDoc}
     */
    @Override
    protected Class<? extends CommandFactory> getBeanClass(final Element element) {
        return null;
    }

    /**
     * {@inheritDoc}
     */
    @Override
    protected void doParse(final Element element,
            final ParserContext parserContext,
            final BeanDefinitionBuilder builder) {
       
        BeanDefinitionBuilder factoryBuilder = BeanDefinitionBuilder.genericBeanDefinition(CommandFactoryFactory.class);
       
        ManagedMap commands = new ManagedMap();

        List<Element> childs = SpringUtil.getChildElements(element);

        for (Element commandElm : childs) {
            String name = commandElm.getAttribute("name");
            Object bean = SpringUtil.parseSpringChildElement(commandElm,
                    parserContext, builder);
            commands.put(name, bean);
        }

        factoryBuilder.addPropertyValue("commandMap", commands);

        if (StringUtils.hasText(element.getAttribute("use-default"))) {
            factoryBuilder.addPropertyValue("useDefaultCommands", Boolean
                    .valueOf(element.getAttribute("use-default")));
        }
       
        BeanDefinition factoryDefinition = factoryBuilder.getBeanDefinition();
        String factoryId = parserContext.getReaderContext().generateBeanName(factoryDefinition);
       
        BeanDefinitionHolder factoryHolder = new BeanDefinitionHolder(factoryDefinition, factoryId);
        registerBeanDefinition(factoryHolder, parserContext.getRegistry());

        // set the factory on the listener bean
        builder.getRawBeanDefinition().setFactoryBeanName(factoryId);
        builder.getRawBeanDefinition().setFactoryMethodName("createCommandFactory");

    }
}
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