/*
* 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.feed.config;
import org.w3c.dom.Element;
import org.springframework.beans.BeanMetadataElement;
import org.springframework.beans.factory.support.BeanDefinitionBuilder;
import org.springframework.beans.factory.xml.ParserContext;
import org.springframework.integration.config.xml.AbstractPollingInboundChannelAdapterParser;
import org.springframework.integration.config.xml.IntegrationNamespaceUtils;
import org.springframework.integration.feed.inbound.FeedEntryMessageSource;
import org.springframework.util.StringUtils;
/**
* Handles parsing the configuration for the feed inbound-channel-adapter.
*
* @author Josh Long
* @author Oleg Zhurakousky
* @author Mark Fisher
* @author Gunnar Hillert
* @author Artem Bilan
*
* @since 2.0
*/
public class FeedInboundChannelAdapterParser extends AbstractPollingInboundChannelAdapterParser {
@Override
protected BeanMetadataElement parseSource(final Element element, final ParserContext parserContext) {
BeanDefinitionBuilder sourceBuilder = BeanDefinitionBuilder.genericBeanDefinition(FeedEntryMessageSource.class);
String url = element.getAttribute("url");
boolean hasUrl = StringUtils.hasText(url);
String resource = element.getAttribute("resource");
boolean hasResource = StringUtils.hasText(resource);
if (hasUrl == hasResource) {
parserContext.getReaderContext().error(
"Exactly one of the 'url', 'reader' or 'resource' is required.", element);
}
if (hasUrl) {
sourceBuilder.addConstructorArgValue(url);
}
else if (hasResource) {
sourceBuilder.addConstructorArgValue(resource);
}
sourceBuilder.addConstructorArgValue(element.getAttribute(ID_ATTRIBUTE));
IntegrationNamespaceUtils.setReferenceIfAttributeDefined(sourceBuilder, element, "metadata-store");
IntegrationNamespaceUtils.setReferenceIfAttributeDefined(sourceBuilder, element, "feed-input", "syndFeedInput");
IntegrationNamespaceUtils.setValueIfAttributeDefined(sourceBuilder, element, "preserve-wire-feed");
return sourceBuilder.getBeanDefinition();
}
}