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From Carsten Ziegeler <cziege...@apache.org>
Subject New Features for the spring configurator
Date Fri, 23 Feb 2007 13:23:04 GMT
Hi,

in the last days while converting the portal block from spring to avalon
I added two features to our spring configurator:

1. It's now possible to define default values for properties directly in
the property reference, so you can write a reference to the property
"myproperty" like this: ${myproperty:DEFAULT_VALUE}. If no definition
for the property is found, the default value is used. Of course, it's
possible to use ${myproperty} as well.

2. A new map implementation that collects all defined spring beans
implementing a specified type, so you configure a managing component
like this:

<bean id="mycomponent" class="myclass">
  <property name="widgets">
    <configurator:bean-map type="o.a.c.Widget"/>
  </property>
</bean>

The bean-map element collects all beans for the specified type
(o.a.c.Widget) in this case and creates a Map with the id's of the beans
as keys and the beans itself as the value.
In addition if the bean name starts with the type, like
"o.a.c.Widget/button", the bean will be put under the key "button" into
the Map. (This behaviour can be controlled via an additional attribute).

Carsten
-- 
Carsten Ziegeler
http://www.osoco.org/weblogs/rael/

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