NodeDefinitionParser.java

package fr.acxio.tools.agia.alfresco.configuration;

/*
 * Copyright 2014 Acxio
 * 
 * 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.
 */

import java.util.List;

import org.springframework.beans.factory.config.BeanDefinition;
import org.springframework.beans.factory.support.BeanDefinitionBuilder;
import org.springframework.beans.factory.support.ManagedList;
import org.springframework.beans.factory.xml.AbstractSingleBeanDefinitionParser;
import org.springframework.beans.factory.xml.ParserContext;
import org.springframework.util.StringUtils;
import org.springframework.util.xml.DomUtils;
import org.w3c.dom.Element;

/**
 * <p>
 * Abstract Spring configuration parser for
 * {@link fr.acxio.tools.agia.alfresco.configuration.NodeDefinition
 * NodeDefinition} .
 * </p>
 * 
 * @author pcollardez
 *
 */
public abstract class NodeDefinitionParser extends AbstractSingleBeanDefinitionParser {

    protected static final String NODEDEF_PROPERTY = "property";

    protected static final String NODEDEF_ASPECT = "aspect";

    protected static final String NODEDEF_ASSOC_REF = "ref";

    protected static final String NODEDEF_ASSOC_QUERY = "query";

    protected static final String PROPDEF_LOCALNAME = "localName";

    protected static final String PROPDEF_CONVERTERREF = "converterRef";

    protected static final String PROPDEF_VALUE = "value";

    protected static final String PROPDEF_NODETYPE = "nodeType";

    protected static final String PROPDEF_VERSIONOP = "versionOperation";

    protected static final String PROPDEF_ASSOC_TARGET_ID = "assocTargetId";

    protected static final String PROPDEF_TYPE = "type";

    protected static final String PROPDEF_QUERY_LANGUAGE = "language";

    @Override
    protected void doParse(Element sElement, ParserContext sParserContext, BeanDefinitionBuilder sBuilder) {
        sBuilder.addPropertyValue("nodeType", sElement.getAttribute(PROPDEF_NODETYPE));
        sBuilder.addPropertyValue("versionOperation", sElement.getAttribute(PROPDEF_VERSIONOP));
        sBuilder.addPropertyValue("assocTargetId", sElement.getAttribute(PROPDEF_ASSOC_TARGET_ID));
    }

    protected List<AspectDefinition> parseAspects(Element sElement) {
        List<Element> childElements = DomUtils.getChildElementsByTagName(sElement, NODEDEF_ASPECT);

        ManagedList<AspectDefinition> children = new ManagedList<AspectDefinition>(childElements.size());

        for (Element element : childElements) {
            children.add(new SimpleAspectDefinition(element.getAttribute(NAME_ATTRIBUTE)));
        }

        return children;
    }

    protected List<BeanDefinition> parseAssociations(Element sElement) {
        List<Element> childRefElements = DomUtils.getChildElementsByTagName(sElement, NODEDEF_ASSOC_REF);
        List<Element> childQueryElements = DomUtils.getChildElementsByTagName(sElement, NODEDEF_ASSOC_QUERY);

        ManagedList<BeanDefinition> children = new ManagedList<BeanDefinition>(childRefElements.size() + childQueryElements.size());

        for (Element element : childRefElements) {
            BeanDefinitionBuilder aRefAssocBuilder = BeanDefinitionBuilder.genericBeanDefinition(RefAssociationDefinitionFactoryBean.class);
            aRefAssocBuilder.addPropertyValue("type", element.getAttribute(PROPDEF_TYPE));
            aRefAssocBuilder.addPropertyValue("reference", element.getTextContent());
            children.add(aRefAssocBuilder.getBeanDefinition());
        }

        for (Element element : childQueryElements) {
            BeanDefinitionBuilder aQueryAssocBuilder = BeanDefinitionBuilder.genericBeanDefinition(QueryAssociationDefinitionFactoryBean.class);
            aQueryAssocBuilder.addPropertyValue("type", element.getAttribute(PROPDEF_TYPE));
            aQueryAssocBuilder.addPropertyValue("queryLanguage", element.getAttribute(PROPDEF_QUERY_LANGUAGE));
            aQueryAssocBuilder.addPropertyValue("query", element.getTextContent());
            children.add(aQueryAssocBuilder.getBeanDefinition());
        }

        return children;
    }

    protected List<BeanDefinition> parseProperties(Element sElement, ParserContext sParserContext) {
        List<Element> childElements = DomUtils.getChildElementsByTagName(sElement, NODEDEF_PROPERTY);

        ManagedList<BeanDefinition> children = new ManagedList<BeanDefinition>(childElements.size());

        for (Element element : childElements) {
            children.add(parseProperty(element, sParserContext));
        }

        return children;
    }

    protected BeanDefinition parseProperty(Element sElement, ParserContext sParserContext) {
        BeanDefinitionBuilder aBuilder = BeanDefinitionBuilder.genericBeanDefinition(PropertyDefinitionFactoryBean.class);
        aBuilder.addPropertyValue("localName", sElement.getAttribute(PROPDEF_LOCALNAME));

        String aConverterID = sElement.getAttribute(PROPDEF_CONVERTERREF);
        if (StringUtils.hasText(aConverterID)) {
            aBuilder.addPropertyReference("converter", aConverterID);
        }

        List<Element> aValuesElements = DomUtils.getChildElementsByTagName(sElement, PROPDEF_VALUE);
        ManagedList<String> aValues = new ManagedList<String>(aValuesElements.size());

        for (Element aElement : aValuesElements) {
            aValues.add(aElement.getTextContent());
        }

        aBuilder.addPropertyValue("values", aValues);

        return aBuilder.getBeanDefinition();
    }
}