Loading Multiple Spring Application Contexts with their own ClassLoader

package de.incompleteco.spring.context;
 
import java.io.File;
import java.net.URL;
import java.net.URLClassLoader;
 
import org.springframework.beans.factory.xml.XmlBeanDefinitionReader;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.GenericApplicationContext;
import org.springframework.core.io.DefaultResourceLoader;
 
public class ApplicationContextClassLoader {
 
 public ClassLoader getClassLoader(String location) throws Exception {
  File f = new File(location);
  return new URLClassLoader(new URL[]{f.toURI().toURL()});
 }
 
 public ApplicationContext getContext(String location,String... contextPaths) throws Exception {
  return getContext(null,location,contextPaths);
 } 
  
 public ApplicationContext getContext(ApplicationContext parentContext,String location,String... contextPaths) throws Exception {
  //init
  GenericApplicationContext context = new GenericApplicationContext(); 
  //build the app context
  if (parentContext != null) {
   context = new GenericApplicationContext(parentContext);
  }//end if
  XmlBeanDefinitionReader reader = new XmlBeanDefinitionReader(context);
  //get the classloader
  ClassLoader loader = getClassLoader(location);
  //set the loader
  reader.setBeanClassLoader(loader);
  reader.setResourceLoader(new DefaultResourceLoader(loader));
  //get the bean definitions
  reader.loadBeanDefinitions(contextPaths);
  //init
  context.refresh();
  //return
  return context;
 }
  
}