/*
* Copyright 2002-2016 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.integration.xml.config;
import org.w3c.dom.Element;
import org.w3c.dom.NodeList;
import org.springframework.beans.factory.support.BeanDefinitionBuilder;
import org.springframework.beans.factory.xml.ParserContext;
import org.springframework.integration.config.xml.AbstractConsumerEndpointParser;
import org.springframework.integration.config.xml.IntegrationNamespaceUtils;
import org.springframework.integration.xml.splitter.XPathMessageSplitter;
import org.springframework.util.Assert;
import org.springframework.util.StringUtils;
/**
* @author Jonas Partner
* @author Artem Bilan
* @author Gary Russell
*/
public class XPathMessageSplitterParser extends AbstractConsumerEndpointParser {
@Override
protected BeanDefinitionBuilder parseHandler(Element element, ParserContext parserContext) {
BeanDefinitionBuilder builder = BeanDefinitionBuilder.genericBeanDefinition(XPathMessageSplitter.class);
String xPathExpressionRef = element.getAttribute("xpath-expression-ref");
NodeList xPathExpressionNodes = element.getElementsByTagNameNS(element.getNamespaceURI(), "xpath-expression");
Assert.isTrue(xPathExpressionNodes.getLength() <= 1, "At most one xpath-expression child may be specified.");
boolean hasChild = xPathExpressionNodes.getLength() == 1;
boolean hasReference = StringUtils.hasText(xPathExpressionRef);
Assert.isTrue(hasChild ^ hasReference, "Exactly one of 'xpath-expression' or 'xpath-expression-ref' is required.");
if (hasChild) {
Element xpathExpressionElement = (Element) xPathExpressionNodes.item(0);
builder.addConstructorArgValue(xpathExpressionElement.getAttribute("expression"));
XPathExpressionParser.parseAndPopulateNamespaceMap(xpathExpressionElement, parserContext, builder);
}
else {
builder.addConstructorArgReference(xPathExpressionRef);
}
IntegrationNamespaceUtils.setReferenceIfAttributeDefined(builder, element, "doc-builder-factory", "documentBuilder");
IntegrationNamespaceUtils.setValueIfAttributeDefined(builder, element, "create-documents");
IntegrationNamespaceUtils.setValueIfAttributeDefined(builder, element, "apply-sequence");
IntegrationNamespaceUtils.setValueIfAttributeDefined(builder, element, "iterator");
IntegrationNamespaceUtils.setReferenceIfAttributeDefined(builder, element, "output-properties");
IntegrationNamespaceUtils.setValueIfAttributeDefined(builder, element, "send-timeout");
return builder;
}
}