Contexts and Dependency Injection
The Contexts and Dependency Injection specification makes it easier to integrate Java EE components of different types. It provides a common mechanism to inject component such as EJBs or Managed Beans into other components such as JSPs or other EJBs.
Enable this feature
To enable the Contexts and Dependency Injection feature, add the following element declaration inside the featureManager element in the server.xml file:
<feature>cdi-1.0</feature>
Developing a feature that depends on this feature
If we are developing a feature that depends on the Contexts and Dependency Injection feature, include the following item in the Subsystem-Content header in the feature manifest file for the new feature:
com.ibm.websphere.appserver.cdi-1.0; type="osgi.subsystem.feature"
Features that enable this feature
API packages provided by this feature
- javax.decorator
- javax.enterprise.context
- javax.enterprise.context.spi
- javax.enterprise.event
- javax.enterprise.inject
- javax.enterprise.inject.spi
- javax.enterprise.util
- javax.inject
- javax.interceptor
Feature configuration elements
We can use the following elements in the server.xml file to configure the Contexts and Dependency Injection feature:
- cdiContainer
- Defines behavior for the Contexts and Dependency Injection (CDI) container.
- classloading
- Global classloading
Attribute name Data type Default value Description useJarUrls boolean false Whether to use jar: or wsjar: URLs for referencing files in archives