org.flockdata.spring.xml.ClientBeanDefinitionParser.java Source code

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Here is the source code for org.flockdata.spring.xml.ClientBeanDefinitionParser.java

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/*
 *  Copyright 2012-2016 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 org.flockdata.spring.xml;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.flockdata.spring.FlockDataClientFactoryBean;
import org.springframework.beans.factory.config.BeanDefinition;
import org.springframework.beans.factory.support.BeanDefinitionBuilder;
import org.springframework.beans.factory.support.GenericBeanDefinition;
import org.springframework.beans.factory.xml.BeanDefinitionParser;
import org.springframework.beans.factory.xml.ParserContext;
import org.w3c.dom.Element;

class ClientBeanDefinitionParser implements BeanDefinitionParser {
    protected static final Log logger = LogFactory.getLog(ClientBeanDefinitionParser.class);

    /**
     * Managing common properties for NodeClient and TransportClient
     *
     * @param beanClass
     * @param properties
     * @return
     */
    private static BeanDefinitionBuilder startClientBuilder(Class beanClass, String properties) {
        BeanDefinitionBuilder nodeFactory = BeanDefinitionBuilder.rootBeanDefinition(beanClass);

        if (properties != null && properties.length() > 0) {
            nodeFactory.addPropertyReference("properties", properties);
        }

        return nodeFactory;
    }

    private static BeanDefinition buildClientDef(BeanDefinitionBuilder nodeFactory) {
        return nodeFactory.getBeanDefinition();
    }

    public BeanDefinition parse(Element element, ParserContext parserContext) {
        // When node is not null, we should build a client.
        // When node is null, we want to build a transport client.

        String id = XMLParserUtil.getElementStringValue(element, "id");

        String properties = XMLParserUtil.getElementStringValue(element, "properties");

        BeanDefinition client;

        GenericBeanDefinition bdef = new GenericBeanDefinition();

        bdef.setBeanClass(FlockDataClientFactoryBean.class);
        BeanDefinitionBuilder clientBuilder = startClientBuilder(FlockDataClientFactoryBean.class, properties);
        client = ClientBeanDefinitionParser.buildClientDef(clientBuilder);

        parserContext.getRegistry().registerBeanDefinition(id, client);

        return bdef;
    }

}