public SimpleJndiBeanFactory() 
{
	  
		setResourceRef(true);
}

 public  void addShareableResource(String shareableResource) 
{
		this.shareableResources.add(shareableResource);
}

Add the name of a shareable JNDI resource, which this factory is allowed to cache once obtained.

 public boolean containsBean(String name) 
{
		if (this.singletonObjects.containsKey(name) || this.resourceTypes.containsKey(name)) {
			return true;
		}
		try {
			doGetType(name);
			return true;
		}
		catch (NamingException ex) {
			return false;
		}
}

 public String[] getAliases(String name) 
{
		return new String[0];
}

 public Object getBean(String name) throws BeansException 
{
		return getBean(name, (Class) null);
}

 public Object getBean(String name,
    Class requiredType) throws BeansException 
{
		try {
			if (isSingleton(name)) {
				return doGetSingleton(name, requiredType);
			}
			else {
				return lookup(name, requiredType);
			}
		}
		catch (NameNotFoundException ex) {
			throw new NoSuchBeanDefinitionException(name, "not found in JNDI environment");
		}
		catch (TypeMismatchNamingException ex) {
			throw new BeanNotOfRequiredTypeException(name, ex.getRequiredType(), ex.getActualType());
		}
		catch (NamingException ex) {
			throw new BeanDefinitionStoreException("JNDI environment", name, "JNDI lookup failed", ex);
		}
}

 public Object getBean(String name,
    Object[] args) throws BeansException 
{
		if (args != null) {
			throw new UnsupportedOperationException(
					"SimpleJndiBeanFactory does not support explicit bean creation arguments)");
		}
		return getBean(name);
}

 public Class getType(String name) throws NoSuchBeanDefinitionException 
{
		try {
			return doGetType(name);
		}
		catch (NameNotFoundException ex) {
			throw new NoSuchBeanDefinitionException(name, "not found in JNDI environment");
		}
		catch (NamingException ex) {
			return null;
		}
}

 public boolean isPrototype(String name) throws NoSuchBeanDefinitionException 
{
		return !this.shareableResources.contains(name);
}

 public boolean isSingleton(String name) throws NoSuchBeanDefinitionException 
{
		return this.shareableResources.contains(name);
}

 public boolean isTypeMatch(String name,
    Class targetType) throws NoSuchBeanDefinitionException 
{
		Class type = getType(name);
		return (targetType == null || (type != null && targetType.isAssignableFrom(type)));
}

 public  void setShareableResources(String[] shareableResources) 
{
		this.shareableResources.addAll(Arrays.asList(shareableResources));
}

Set a list of names of shareable JNDI resources, which this factory is allowed to cache once obtained.