/*
* Copyright 2002-2007 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.ejb.config;
import org.w3c.dom.Element;
import org.springframework.beans.factory.config.RuntimeBeanReference;
import org.springframework.beans.factory.support.BeanDefinitionBuilder;
import org.springframework.beans.factory.xml.AbstractSimpleBeanDefinitionParser;
import org.springframework.util.StringUtils;
import org.springframework.util.xml.DomUtils;
/**
* Abstract base class for BeanDefinitionParsers which build
* JNDI-locating beans, supporting an optional "jndiEnvironment"
* bean property, populated from an "environment" XML sub-element.
*
* @author Rob Harrop
* @author Juergen Hoeller
* @since 2.0
*/
abstract class AbstractJndiLocatingBeanDefinitionParser extends AbstractSimpleBeanDefinitionParser {
public static final String ENVIRONMENT = "environment";
public static final String ENVIRONMENT_REF = "environment-ref";
public static final String JNDI_ENVIRONMENT = "jndiEnvironment";
@Override
protected boolean isEligibleAttribute(String attributeName) {
return (super.isEligibleAttribute(attributeName) && !ENVIRONMENT_REF.equals(attributeName));
}
@Override
protected void postProcess(BeanDefinitionBuilder definitionBuilder, Element element) {
Object envValue = DomUtils.getChildElementValueByTagName(element, ENVIRONMENT);
if (envValue != null) {
// Specific environment settings defined, overriding any shared properties.
definitionBuilder.addPropertyValue(JNDI_ENVIRONMENT, envValue);
}
else {
// Check whether there is a reference to shared environment properties...
String envRef = element.getAttribute(ENVIRONMENT_REF);
if (StringUtils.hasLength(envRef)) {
definitionBuilder.addPropertyValue(JNDI_ENVIRONMENT, new RuntimeBeanReference(envRef));
}
}
}
}
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