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Spring integration.

There is a newer version: 0.1.2

/**
 * This file is part of the ChillDev-Web.
 *
 * @license http://mit-license.org/ The MIT license
 * @copyright 2014 - 2015 © by Rafał Wrzeszcz - Wrzasq.pl.
 */

package pl.chilldev.web.spring.config;

import java.util.ArrayList;
import java.util.List;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import org.springframework.beans.factory.config.BeanDefinition;
import org.springframework.beans.factory.xml.BeanDefinitionParser;
import org.springframework.beans.factory.xml.ParserContext;

import org.springframework.util.xml.DomUtils;

import org.w3c.dom.Element;

/**
 * `<keywords>` element parser.
 */
public class KeywordsBeanDefinitionParser
    implements
        BeanDefinitionParser
{
    /**
     * `<keyword>` element name.
     */
    public static final String ELEMENT_KEYWORD = "keyword";

    /**
     * Keywords property name.
     */
    public static final String PROPERTY_KEYWORDS = "keywords";

    /**
     * Logger.
     */
    private Logger logger = LoggerFactory.getLogger(KeywordsBeanDefinitionParser.class);

    /**
     * Initial keywords.
     */
    private List keywords = new ArrayList<>();

    /**
     * Initializes bean parser.
     *
     * @param pageMetaModelFactoryBean Page model factory.
     */
    public KeywordsBeanDefinitionParser(BeanDefinition pageMetaModelFactoryBean)
    {
        pageMetaModelFactoryBean.getPropertyValues().addPropertyValue(
            KeywordsBeanDefinitionParser.PROPERTY_KEYWORDS,
            this.keywords
        );
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public BeanDefinition parse(Element element, ParserContext parserContext)
    {
        String keyword;
        for (Element child : DomUtils.getChildElementsByTagName(
            element,
            KeywordsBeanDefinitionParser.ELEMENT_KEYWORD
        ))
        {
            keyword = DomUtils.getTextValue(child);

            this.logger.info("Adding \"{}\" as keyword.", keyword);
            this.keywords.add(keyword);
        }

        return null;
    }
}