Spring Framework example source code file (AbstractJndiLocatingBeanDefinitionParser.java)

This example Spring Framework source code file (AbstractJndiLocatingBeanDefinitionParser.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Spring Framework tags/keywords

abstractjndilocatingbeandefinitionparser, abstractsimplebeandefinitionparser, dom, element, environment, environment, environment_ref, jndi_environment, jndi_environment, object, object, runtimebeanreference, string, string

The Spring Framework AbstractJndiLocatingBeanDefinitionParser.java source code

/*
 * 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";


	protected boolean isEligibleAttribute(String attributeName) {
		return (super.isEligibleAttribute(attributeName) && !ENVIRONMENT_REF.equals(attributeName));
	}

	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));
			}
		}
	}

}