package com.threepillar.labs.si.sqs.config;
import org.springframework.beans.BeanMetadataElement;
import org.springframework.beans.factory.config.BeanDefinition;
import org.springframework.beans.factory.parsing.BeanComponentDefinition;
import org.springframework.beans.factory.support.AbstractBeanDefinition;
import org.springframework.beans.factory.support.BeanDefinitionBuilder;
import org.springframework.beans.factory.xml.ParserContext;
import org.springframework.integration.config.SourcePollingChannelAdapterFactoryBean;
import org.springframework.integration.config.xml.AbstractChannelAdapterParser;
import org.springframework.integration.config.xml.IntegrationNamespaceUtils;
import org.springframework.util.xml.DomUtils;
import org.w3c.dom.Element;
import com.threepillar.labs.si.sqs.inbound.SqsSubscribableChannelAdapter;
/**
* The Sqs Inbound Channel adapter parser
*
* @author Sayantam Dey
* @since 1.0
*
*/
public class SqsInboundChannelAdapterParser extends
AbstractChannelAdapterParser {
@Override
protected AbstractBeanDefinition doParse(Element element,
ParserContext parserContext, String channelName) {
AbstractBeanDefinition beanDefinitition = null;
final BeanDefinitionBuilder sqsAdapterBuilder = BeanDefinitionBuilder
.genericBeanDefinition(SqsSubscribableChannelAdapter.class);
// create and set sqsExecutor
final BeanDefinitionBuilder sqsExecutorBuilder = SqsParserUtils
.getSqsExecutorBuilder(element, parserContext);
final BeanDefinition sqsExecutorBuilderBeanDefinition = sqsExecutorBuilder
.getBeanDefinition();
final String channelAdapterId = this.resolveId(element,
sqsAdapterBuilder.getRawBeanDefinition(), parserContext);
final String sqsExecutorBeanName = SqsParserUtils
.getExecutorBeanName(channelAdapterId);
parserContext.registerBeanComponent(new BeanComponentDefinition(
sqsExecutorBuilderBeanDefinition, sqsExecutorBeanName));
sqsAdapterBuilder.addPropertyReference("sqsExecutor",
sqsExecutorBeanName);
SqsParserUtils.registerExecutorProxy(element, sqsExecutorBeanName,
parserContext);
// ---
// Core messaging properties
sqsAdapterBuilder.addPropertyReference("outputChannel", channelName);
IntegrationNamespaceUtils.setValueIfAttributeDefined(sqsAdapterBuilder,
element, "send-timeout");
IntegrationNamespaceUtils.setValueIfAttributeDefined(sqsAdapterBuilder,
element, "auto-startup");
IntegrationNamespaceUtils.setValueIfAttributeDefined(sqsAdapterBuilder,
element, "phase");
// ---
IntegrationNamespaceUtils.setValueIfAttributeDefined(sqsAdapterBuilder,
element, "worker-shutdown-timeout");
Element pollerElement = DomUtils.getChildElementByTagName(element,
"poller");
if (pollerElement == null) {
IntegrationNamespaceUtils.setValueIfAttributeDefined(
sqsAdapterBuilder, element, "concurrent-consumers");
beanDefinitition = sqsAdapterBuilder.getBeanDefinition();
} else {
sqsAdapterBuilder.addPropertyValue("pollableMode", Boolean.TRUE);
BeanMetadataElement source = sqsAdapterBuilder.getBeanDefinition();
if (source == null) {
parserContext.getReaderContext().error(
"failed to parse source", element);
}
BeanDefinitionBuilder adapterBuilder = BeanDefinitionBuilder
.genericBeanDefinition(SourcePollingChannelAdapterFactoryBean.class);
adapterBuilder.addPropertyValue("source", source);
adapterBuilder.addPropertyReference("outputChannel", channelName);
IntegrationNamespaceUtils.setValueIfAttributeDefined(
adapterBuilder, element, "send-timeout");
IntegrationNamespaceUtils.setValueIfAttributeDefined(
adapterBuilder, element, "auto-startup");
IntegrationNamespaceUtils.configurePollerMetadata(pollerElement,
adapterBuilder, parserContext);
beanDefinitition = adapterBuilder.getBeanDefinition();
}
return beanDefinitition;
}
}