org.sparta.springwebutils.SpringContextUtils Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of spring-web-utils Show documentation

Spring Web helper library

There is a newer version: 1.5.7

package org.sparta.springwebutils;

import java.util.Map;

import org.springframework.beans.factory.support.DefaultListableBeanFactory;
import org.springframework.beans.factory.xml.XmlBeanDefinitionReader;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.GenericApplicationContext;

/** 
 * Utility class for handling with Spring context loading
 * 
 * @author Daniel Conde Diehl – Sparta Java Team 
 * 
 * History: 
 *    May 21, 2014 - Daniel Conde Diehl - Creation
 *  
 */ 
public class SpringContextUtils {

	/**
	 * Loads a context from a XML and inject all objects in the Map
	 * 
	 * @param xmlPath Path for the xml applicationContext
	 * @param extraBeans Extra beans for being injected
	 * @return ApplicationContext generated
	 */
	public static ApplicationContext contextMergedBeans(String xmlPath, Map extraBeans) {
		
		//new empty context
		DefaultListableBeanFactory parentBeanFactory = new DefaultListableBeanFactory();  
		
		//Injection of the new beans in the context
		for (String key : extraBeans.keySet()) {
			parentBeanFactory.registerSingleton(key, extraBeans.get(key));
		}
		
		//loads the xml and add definitions in the context
		GenericApplicationContext parentContext = new GenericApplicationContext(parentBeanFactory);
		XmlBeanDefinitionReader xmlReader = new XmlBeanDefinitionReader(parentContext);
		xmlReader.loadBeanDefinitions(xmlPath);
		
		//refreshed the context to create class and make autowires
		parentContext.refresh();
		
		//return the created context
		return parentContext;
	}
}