/*
* 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.xmpp.config;
import org.w3c.dom.Element;
import org.springframework.beans.factory.BeanCreationException;
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.xml.AbstractChannelAdapterParser;
import org.springframework.integration.config.xml.IntegrationNamespaceUtils;
import org.springframework.integration.xmpp.support.DefaultXmppHeaderMapper;
import org.springframework.util.StringUtils;
/**
* Base class for XMPP inbound parsers
*
* @author Oleg Zhurakousky
* @author Gary Russell
* @since 2.0.1
*/
public abstract class AbstractXmppInboundChannelAdapterParser extends AbstractChannelAdapterParser {
@Override
protected boolean shouldGenerateId() {
return false;
}
@Override
protected boolean shouldGenerateIdAsFallback() {
return true;
}
protected abstract String getBeanClassName(Element element);
@Override
protected AbstractBeanDefinition doParse(Element element, ParserContext parserContext, String channelName) {
BeanDefinitionBuilder builder = BeanDefinitionBuilder.genericBeanDefinition(getBeanClassName(element));
IntegrationNamespaceUtils.configureHeaderMapper(element, builder, parserContext, DefaultXmppHeaderMapper.class, null);
String connectionName = element.getAttribute("xmpp-connection");
if (StringUtils.hasText(connectionName)) {
builder.addConstructorArgReference(connectionName);
}
else if (parserContext.getRegistry().containsBeanDefinition(XmppNamespaceHandler.XMPP_CONNECTION_BEAN_NAME)) {
builder.addConstructorArgReference(XmppNamespaceHandler.XMPP_CONNECTION_BEAN_NAME);
}
else {
throw new BeanCreationException("You must either explicitly define which XMPP connection to use via " +
"'xmpp-connection' attribute or have default XMPP connection bean registered under the name 'xmppConnection'" +
"(e.g., <int-xmpp:xmpp-connection .../>). If 'id' is not provided the default will be 'xmppConnection'.");
}
builder.addPropertyReference("outputChannel", channelName);
IntegrationNamespaceUtils.setReferenceIfAttributeDefined(builder, element, "error-channel");
this.postProcess(element, parserContext, builder);
return builder.getBeanDefinition();
}
protected void postProcess(Element element, ParserContext parserContext, BeanDefinitionBuilder builder) {
// no op
}
}