JBoss AOP does not require the user to write a factory, yet, the JBoss AOP user
can do simple Java Bean attribute injection.
To provide this feature, I need a generic factory that holds the
properties/attributes that need to be injected into a created aspect. When
some aspect needs binding into a class, the generic factory creates an instance
of the aspect based on the properties passed in.
So, for the new MC, I need to be able to specify a generic factory in the new
MC:
i.e.
| <bean name="MyAspect"
| class="org.jboss.aop.GenericFactory">
| <attribute name-"AspectClass">org.jboss.SomeAspect</attribute>
| <attribute name="TransactionManager><depends>tx</depends</attribute>
| </bean>
|
| ----
| package org.jboss.kernel;
|
| public interface GenericBean
| {
| void setAttribute(String name, Object value);
| Object getAttribute(String name);
| ClassInfo getClassInfo();
| }
|
| ----
|
| public class GenericFactory implements org.jboss.kernel.GenericBean,
GenericAspectFactory
| {
| Class aspectClass
| public void setAttribute(String name, Object value)
| {
| if (name.equals("AspectClass"))
| {
| aspectClass = loadClass(value);
| } else
| map.put(name, value);
| }
|
| public Object getAttribute(String name)
| {
| return map.get(name);
| }
|
| public Object createAspect() {
|
| Object aspect = aspectClass.newInstance();
|
| for (String attr : map.keySet())
| {
| Method m = .getMethod(attr);
| m.invoke(aspect, map.get(attr));
| }
| }
| }
|
|
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