ComponentProvider should lookup superclasses and interfaces of the required
component
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Key: MAGNOLIA-3079
URL: http://jira.magnolia-cms.com/browse/MAGNOLIA-3079
Project: Magnolia
Issue Type: Improvement
Components: core
Reporter: Grégory Joseph
Assignee: Philipp Bärfuss
Fix For: 4.3
If {{ComponentProvider.getSingleton(com.foo.SomeSubInterface.class)}} is
called, and no component is registered specifically for
{{com.foo.SomeSubInterface}}, the ComponentProvider should look up registration
for parents of {{com.foo.SomeSubInterface}} (i.e {{com.foo.SomeInterface}}, if
{{SomeSubInterface extends SomeInterface}})
This should:
* remove the need for casting when depending on a specific implementation:
{code}
// instead of:
SomeSubInterface z = (SomeSubInterface)
Components.getSingleton(SomeInterface.class);
// you should be able to do:
SomeSubInterface z = Components.getSingleton(SomeSubInterface.class);
// even if only SomeInterface was configured (i.e if there's only a property
for com.foo.SomeInterface)
{code}
* likewise, this should fix MAGNOLIA-3059 -- TODO: insert details as to how/why
;)
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