"rbuckvrsn" wrote :
| Apart from modifying the microkernel itself to call directly into our
properties manager, are there any other options? Are there any interceptors for
property expansion or resolution?
|
You could do something like this:
| <bean name="LDAPSystemPropertyHolder" class="org.acme.LDAPPropProvider"/>
|
| <bean name="NeedsOurSystemProperty" class="org.acme.PropWanna">
| <install bean="LDAPSystemPropertyHolder" method="provideProperty">
| <parameter><this/></parameter>
| <parameter>setMyPropertyWanna</parameter>
| <parameter replace="false">${somekey:somedefault} </parameter>
| </install>
| </bean>
|
Where mock classes look like:
|
| public class LDAPPropProvider
| {
| public void provideProperty(Object target, String method, String
propKey)
| {
| String ldapProp = LDAP.lookup(propKey);
| Method m = ... // find method on target
| m.invoke(target, ldapProp);
| }
| }
|
| public class PropWanna
| {
| public void setMyPropertyWann(String prop)
| {
| ...
| }
| }
|
This is first that it comes to my mind.
It's a big long, but it should work.
But I don't really like it, since it includes that reflection call.
I'll see if there is some better way.
Aha, just remembered one ... one sec ;-)
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