/*
* Copyright 2012-2013 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.jmxtrans.embedded.spring;
import org.jmxtrans.embedded.EmbeddedJmxTransException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.config.BeanDefinition;
import org.springframework.beans.factory.config.ListFactoryBean;
import org.springframework.beans.factory.support.AbstractBeanDefinition;
import org.springframework.beans.factory.support.BeanDefinitionBuilder;
import org.springframework.beans.factory.xml.AbstractBeanDefinitionParser;
import org.springframework.beans.factory.xml.AbstractSingleBeanDefinitionParser;
import org.springframework.beans.factory.xml.ParserContext;
import org.springframework.util.StringUtils;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import java.util.ArrayList;
import java.util.List;
/**
* {@link org.springframework.beans.factory.xml.BeanDefinitionParser} for an {@link EmbeddedJmxTransFactory}.
*
* @author <a href="mailto:cleclerc@xebia.fr">Cyrille Le Clerc</a>
*/
public class EmbeddedJmxTransBeanDefinitionParser extends AbstractSingleBeanDefinitionParser {
private static final String CONFIGURATION_ATTRIBUTE = "configuration";
private static final String IGNORE_CONFIGURATION_NOT_FOUND_ATTRIBUTE = "ignore-configuration-not-found";
private final Logger logger = LoggerFactory.getLogger(getClass());
@Override
protected Class getBeanClass(Element element) {
return EmbeddedJmxTransFactory.class;
}
@Override
protected String resolveId(Element element, AbstractBeanDefinition definition, ParserContext parserContext) {
String id = element.getAttribute(ID_ATTRIBUTE);
return (StringUtils.hasText(id) ? id : "jmxtrans");
}
@Override
protected void doParse(Element element, ParserContext parserContext, BeanDefinitionBuilder builder) {
builder.setRole(BeanDefinition.ROLE_APPLICATION);
builder.getRawBeanDefinition().setSource(parserContext.extractSource(element));
if (element.hasAttribute(IGNORE_CONFIGURATION_NOT_FOUND_ATTRIBUTE)) {
builder.addPropertyValue("ignoreConfigurationNotFound", element.getAttribute(IGNORE_CONFIGURATION_NOT_FOUND_ATTRIBUTE));
}
List<String> configurationUrls = new ArrayList<String>();
if (element.hasAttribute(CONFIGURATION_ATTRIBUTE)) {
String configurationUrl = element.getAttribute(CONFIGURATION_ATTRIBUTE);
logger.debug("Add configuration from attribute {}", configurationUrl);
configurationUrls.add(configurationUrl);
}
NodeList configurationNodeList = element.getElementsByTagNameNS(element.getNamespaceURI(), CONFIGURATION_ATTRIBUTE);
for (int i = 0; i < configurationNodeList.getLength(); i++) {
Node node = configurationNodeList.item(i);
if (node instanceof Element) {
String configurationUrl = node.getTextContent();
logger.debug("Add configuration from attribute {}", configurationUrl);
configurationUrls.add(configurationUrl);
} else {
throw new EmbeddedJmxTransException("Invalid configuration child element " + node);
}
}
builder.addPropertyValue("configurationUrls", configurationUrls);
}
}