A very lightweight Direct Injection/IoC engine for directly injecting dependencies into singletons AND transient business object.
LightWire is optimized to create transient objects as well as singletons and allows for programmatic instead of XML configuration.
It is the lightweight DI framework for people who'd like to put more logic in their beans and less in their service layer.
Supports proper constructor, setter and mixin injection options.

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lightwire.riaforge.org