/*
* Copyright 2011-2013 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.springframework.data.hadoop.config;
import org.springframework.beans.factory.config.BeanDefinition;
import org.springframework.beans.factory.config.PropertiesFactoryBean;
import org.springframework.beans.factory.config.RuntimeBeanReference;
import org.springframework.beans.factory.support.BeanDefinitionBuilder;
import org.springframework.beans.factory.support.ManagedList;
import org.springframework.beans.factory.xml.ParserContext;
import org.springframework.util.StringUtils;
import org.springframework.util.xml.DomUtils;
import org.w3c.dom.Element;
/**
* Base class for parsing bean definitions of type propertiesConfigured.
*
* @author Costin Leau
*/
public abstract class AbstractPropertiesConfiguredBeanDefinitionParser extends AbstractImprovedSimpleBeanDefinitionParser {
protected boolean isEligibleAttribute(String attributeName) {
return !("properties-ref".equals(attributeName) || "properties-location".equals(attributeName))
&& super.isEligibleAttribute(attributeName);
}
@Override
protected void doParse(Element element, ParserContext parserContext, BeanDefinitionBuilder builder) {
// parse attributes using conventions
super.doParse(element, parserContext, builder);
boolean hasProperties = false;
BeanDefinitionBuilder b = BeanDefinitionBuilder.genericBeanDefinition(PropertiesFactoryBean.class);
b.setScope(builder.getRawBeanDefinition().getScope());
b.addPropertyValue("localOverride", true);
ManagedList<Object> propsArray = new ManagedList<Object>(2);
b.addPropertyValue("propertiesArray", propsArray);
String attr = element.getAttribute("properties-ref");
if (StringUtils.hasText(attr)) {
hasProperties = true;
propsArray.add(new RuntimeBeanReference(attr));
}
hasProperties |= NamespaceUtils.setCSVProperty(element, b, "properties-location", "locations");
// parse nested properties
attr = DomUtils.getTextValue(element);
if (StringUtils.hasText(attr)) {
hasProperties = true;
propsArray.add(attr);
}
if (hasProperties) {
b.setRole(BeanDefinition.ROLE_INFRASTRUCTURE);
builder.addPropertyValue("properties", b.getBeanDefinition());
}
}
}