Spring Framework filter, bean not injected
There are 2 entries for a Servlet Filter, one in web.xml and one in Spring applicationContext.xml
I added the filter into applicationContext.xml because I wanted to inject creditProcessor bean into it.
The only problem is that the entry in web.xml got picked up by JBoss and then used, so creditProcessor is null.
Do I have to use Spring's delegatingFilterProxy or similar so I can inject stuffs into the bean, or can I tweak the web.xml?
web.xml:
<filter>
<filter-name>CreditFilter</filter-name>
<filter-class>credit.filter.CreditFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>CreditFilter</filter-name>
<url-pattern>/coverage/*</url-pattern>
</filter-mapping>
Spring-applicationContext.xml:
<bean id="creditFilter" class="credit.filter.CreditFilter" >
<property name="creditProcessor" ref="creditProcessor"/>
</bean>
You can't make a Filter spring managed like this. With your setup it is instantiated once by spring, and once by the servlet container. Instead, use DelegatingFilterProxy :
<filter> in web.xml Set the targetBeanName init-param of the filter definition to specify the bean that should actually handle the filtering:
<init-param>
<param-name>targetBeanName</param-name>
<param-value>creditFilter</param-value>
</init-param>