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/**
 * 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.cxf.frontend.spring;

import java.util.List;
import java.util.Map;

import javax.xml.namespace.QName;

import org.w3c.dom.Attr;
import org.w3c.dom.Element;

import org.apache.cxf.bus.spring.BusWiringBeanFactoryPostProcessor;
import org.apache.cxf.common.injection.NoJSR250Annotations;
import org.apache.cxf.common.util.StringUtils;
import org.apache.cxf.configuration.spring.AbstractBeanDefinitionParser;
import org.apache.cxf.endpoint.Server;
import org.apache.cxf.frontend.ServerFactoryBean;
import org.apache.cxf.wsdl.service.factory.ReflectionServiceFactoryBean;
import org.springframework.beans.BeansException;
import org.springframework.beans.factory.BeanDefinitionStoreException;
import org.springframework.beans.factory.support.AbstractBeanDefinition;
import org.springframework.beans.factory.support.BeanDefinitionBuilder;
import org.springframework.beans.factory.xml.ParserContext;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;


public class ServerFactoryBeanDefinitionParser extends AbstractBeanDefinitionParser {


    public ServerFactoryBeanDefinitionParser() {
        super();
        setBeanClass(SpringServerFactoryBean.class);
    }

    @Override
    protected void mapAttribute(BeanDefinitionBuilder bean, Element e, String name, String val) {
        if ("endpointName".equals(name) || "serviceName".equals(name)) {
            QName q = parseQName(e, val);
            bean.addPropertyValue(name, q);
        } else {
            mapToProperty(bean, name, val);
        }
    }
    protected boolean parseAttribute(Element element, Attr node,
                                     ParserContext ctx, BeanDefinitionBuilder bean) {
        if (!node.getSpecified() && "start".equals(node.getLocalName())) {
            return false;
        }
        return super.parseAttribute(element, node, ctx, bean);
    }

    @Override
    protected void mapElement(ParserContext ctx, BeanDefinitionBuilder bean, Element el, String name) {
        if ("properties".equals(name)) {
            Map map = ctx.getDelegate().parseMapElement(el, bean.getBeanDefinition());
            bean.addPropertyValue("properties", map);
        } else if ("executor".equals(name)) {
            setFirstChildAsProperty(el, ctx, bean, "serviceFactory.executor");
        } else if ("invoker".equals(name)) {
            setFirstChildAsProperty(el, ctx, bean, "serviceFactory.invoker");
        } else if ("binding".equals(name)) {
            setFirstChildAsProperty(el, ctx, bean, "bindingConfig");
        } else if ("inInterceptors".equals(name) || "inFaultInterceptors".equals(name)
            || "outInterceptors".equals(name) || "outFaultInterceptors".equals(name)
            || "features".equals(name) || "schemaLocations".equals(name)) {
            List list = ctx.getDelegate().parseListElement(el, bean.getBeanDefinition());
            bean.addPropertyValue(name, list);
        } else {
            setFirstChildAsProperty(el, ctx, bean, name);
        }
    }


    @Override
    protected void doParse(Element element, ParserContext ctx, BeanDefinitionBuilder bean) {
        super.doParse(element, ctx, bean);

        bean.setInitMethodName("create");
        bean.setDestroyMethodName("destroy");

        // We don't really want to delay the registration of our Server
        bean.setLazyInit(false);
    }

    @Override
    protected String resolveId(Element elem,
                               AbstractBeanDefinition definition,
                               ParserContext ctx)
        throws BeanDefinitionStoreException {
        String id = super.resolveId(elem, definition, ctx);
        if (StringUtils.isEmpty(id)) {
            id = getBeanClass().getName() + "--" + definition.hashCode();
        }

        return id;
    }

    @Override
    protected boolean hasBusProperty() {
        return true;
    }

    @NoJSR250Annotations
    public static class SpringServerFactoryBean extends ServerFactoryBean
        implements ApplicationContextAware {

        private Server server;

        public SpringServerFactoryBean() {
            super();
        }
        public SpringServerFactoryBean(ReflectionServiceFactoryBean fact) {
            super(fact);
        }
        public Server getServer() {
            return server;
        }

        public void init() {
            create();
        }
        @Override
        public Server create() {
            if (server == null) {
                server = super.create();
            }
            return server;
        }
        public void destroy() {
            if (server != null) {
                server.destroy();
                server = null;
            }
        }

        public void setApplicationContext(ApplicationContext ctx) throws BeansException {
            if (bus == null) {
                setBus(BusWiringBeanFactoryPostProcessor.addDefaultBus(ctx));
            }
        }
    }
}