/*
 * Copyright 2007 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.springframework.ws.config;

import java.util.Iterator;
import java.util.List;
import java.util.Properties;

import org.springframework.beans.factory.support.BeanDefinitionBuilder;
import org.springframework.beans.factory.xml.AbstractSimpleBeanDefinitionParser;
import org.springframework.beans.factory.xml.ParserContext;
import org.springframework.util.xml.DomUtils;
import org.w3c.dom.Element;

/**
 * Parser for the <code>&lt;sws:xpath-endpoints/&gt; element.
 *
 * @author Arjen Poutsma
 * @since 1.5.0
 */
class XPathEndpointsBeanDefinitionParser extends AbstractSimpleBeanDefinitionParser {

    private static final String XPATH_PARAM_ANNOTATION_METHOD_ENDPOINT_ADAPTER_CLASS_NAME =
            "org.springframework.ws.server.endpoint.adapter.XPathParamAnnotationMethodEndpointAdapter";

    protected boolean shouldGenerateIdAsFallback() {
        return true;
    }

    protected String getBeanClassName(Element element) {
        return XPATH_PARAM_ANNOTATION_METHOD_ENDPOINT_ADAPTER_CLASS_NAME;
    }

    protected void doParse(Element element, ParserContext parserContext, BeanDefinitionBuilder beanDefinitionBuilder) {
        List namespaceElements = DomUtils.getChildElementsByTagName(element, "namespace");
        if (!namespaceElements.isEmpty()) {
            Properties namespaces = new Properties();
            for (Iterator iterator = namespaceElements.iterator(); iterator.hasNext();) {
                Element namespaceElement = (Element) iterator.next();
                String prefix = namespaceElement.getAttribute("prefix");
                String uri = namespaceElement.getAttribute("uri");
                namespaces.setProperty(prefix, uri);
            }
            beanDefinitionBuilder.addPropertyValue("namespaces", namespaces);
        }
    }

}
