/*
* 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.twitter.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.twitter.inbound.DirectMessageReceivingMessageSource;
import org.springframework.integration.twitter.inbound.MentionsReceivingMessageSource;
import org.springframework.integration.twitter.inbound.SearchReceivingMessageSource;
import org.springframework.integration.twitter.inbound.TimelineReceivingMessageSource;
/**
* Parser for inbound Twitter Channel Adapters.
*
* @author Oleg Zhurakousky
* @author Gary Russell
* @since 2.0
*/
public class TwitterInboundChannelAdapterParser extends AbstractPollingInboundChannelAdapterParser {
@Override
protected BeanMetadataElement parseSource(Element element, ParserContext parserContext) {
Class<?> clazz = determineClass(element, parserContext);
BeanDefinitionBuilder builder = BeanDefinitionBuilder.rootBeanDefinition(clazz);
builder.addConstructorArgReference(element.getAttribute("twitter-template"));
builder.addConstructorArgValue(element.getAttribute(ID_ATTRIBUTE));
IntegrationNamespaceUtils.setValueIfAttributeDefined(builder, element, "query");
IntegrationNamespaceUtils.setValueIfAttributeDefined(builder, element, "page-size");
IntegrationNamespaceUtils.setReferenceIfAttributeDefined(builder, element, "metadata-store");
return builder.getBeanDefinition();
}
private static Class<?> determineClass(Element element, ParserContext parserContext) {
Class<?> clazz = null;
String elementName = element.getLocalName().trim();
if ("inbound-channel-adapter".equals(elementName)) {
clazz = TimelineReceivingMessageSource.class;
}
else if ("dm-inbound-channel-adapter".equals(elementName)) {
clazz = DirectMessageReceivingMessageSource.class;
}
else if ("mentions-inbound-channel-adapter".equals(elementName)) {
clazz = MentionsReceivingMessageSource.class;
}
else if ("search-inbound-channel-adapter".equals(elementName)) {
clazz = SearchReceivingMessageSource.class;
}
else {
parserContext.getReaderContext().error("element '" + elementName + "' is not supported by this parser.", element);
}
return clazz;
}
}