blueprint/blueprint-spring/src/main/java/org/apache/aries/blueprint/spring/SpringNamespaceHandler.java

/**
 *  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.aries.blueprint.spring;

import org.apache.aries.blueprint.NamespaceHandler;
import org.apache.aries.blueprint.ParserContext;
import org.osgi.service.blueprint.reflect.ComponentMetadata;
import org.osgi.service.blueprint.reflect.Metadata;
import org.springframework.beans.factory.config.BeanDefinition;
import org.springframework.beans.factory.config.BeanDefinitionHolder;
import org.w3c.dom.Element;
import org.w3c.dom.Node;

public class SpringNamespaceHandler implements org.springframework.beans.factory.xml.NamespaceHandler {

    private final NamespaceHandler handler;
    private final ParserContext parserContext;

    public SpringNamespaceHandler(ParserContext parserContext, NamespaceHandler handler) {
        this.parserContext = parserContext;
        this.handler = handler;
    }

    @Override
    public void init() {
    }

    @Override
    public BeanDefinition parse(Element element, org.springframework.beans.factory.xml.ParserContext parserContext) {
        Metadata metadata = handler.parse(element, this.parserContext);
        if (metadata instanceof ComponentMetadata) {
            this.parserContext.getComponentDefinitionRegistry().registerComponentDefinition(
                    (ComponentMetadata) metadata);
        }
        return null;
    }

    @Override
    public BeanDefinitionHolder decorate(Node source, BeanDefinitionHolder definition, org.springframework.beans.factory.xml.ParserContext parserContext) {
        return definition;
    }
}