https://github.com/teverett/simpleioc

A simple IOC container
https://github.com/teverett/simpleioc

bean construction construction-filters injection ioc ioc-container java

Last synced: 24 days ago
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A simple IOC container

• Host: GitHub
• URL: https://github.com/teverett/simpleioc
• Owner: teverett
• License: bsd-3-clause
• Created: 2015-10-26T23:35:58.000Z (about 9 years ago)
• Default Branch: master
• Last Pushed: 2023-05-23T02:56:51.000Z (over 1 year ago)
• Last Synced: 2023-05-23T04:15:27.962Z (over 1 year ago)
• Topics: bean, construction, construction-filters, injection, ioc, ioc-container, java
• Language: Java
• Homepage:
• Size: 6.26 MB
• Stars: 1
• Watchers: 2
• Forks: 2
• Open Issues: 4
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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Simple IOC

=============

Introduction

-------------------

SimpleIOC is a framework for configuring autowire (JSR330) beans using XML.

Configurable bean properties include

* caching (singleton)

* ThreadLocal beans

* autocreation

Defining a Bean in code:

-------------------

	@RegistryBean(name = "regBean", cached=false, autocreate=true)

	public class ExampleAnnotatedBean {

	}

Injection via JSR330

-------------------

	@Inject()

	@Named("fuddleduddle")

	private SampleInjectedInterface interface2;

	

Construction filters can be used by SimpleIOC to wrap beans in arbitrary dynamic proxies at construction time. 

A typical example is using cglib to define a dynamic proxy which can be used to implement a custom annotation such as @Transactional

Finding a bean in code

-------------------

	final IOCBeanRegistry autobeanRegistry = new DefaultIOCBeanRegistry();

	autobeanRegistry.load("beans.xml");

	/*

	 * populate the beans we need

	 */

	jcrPersistenceContext = (JcrPersistenceContext) autobeanRegistry.getBean("jcrpersistencecontext");

Defining Construction filters.  

-------------------

	public class ExampleProxyCreatingFilter implements IOCInstantiationFilter {

		public Object filter(IOCBeanRegistry iocBeanRegistry, Object object, Bean bean) throws IOCException {

			try {

				return Proxy.newProxyInstance(object.getClass().getClassLoader(), object.getClass().getInterfaces(), new DebugProxy(object));

			} catch (final Exception e) {

				throw new IOCException("Exception in filter", e);

			}

		}

	}

Addons Available  

-------------------

* simpleioc-struts.  Support for injection of JSR330 beans into Strut2 Actions

* simpleioc-testng.  Support for TestNG Testing

* simpleioc-junit.   Support for JUnit Testing

* simpleioc-servlet. Support for Servlets