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public interface DecoratorMapper
The DecoratorMapper is responsible for determining which
Decorator
should be used for a
Page
.
Implementations of this are returned by the Factory
,
and should be thread-safe.
Method Summary | |
---|---|
Decorator |
getDecorator(HttpServletRequest request,
Page page)
Return appropriate Decorator for a certain Page. |
Decorator |
getNamedDecorator(HttpServletRequest request,
String name)
Return a Decorator with given name. |
void |
init(Config config,
Properties properties,
DecoratorMapper parent)
Initialize the mapper. |
Method Detail |
---|
void init(Config config, Properties properties, DecoratorMapper parent) throws InstantiationException
config
- Config supplied by Servlet or Filter.properties
- Any initialization properties (specific to implementation).
InstantiationException
- should be thrown if the implementation
cannot be initialized properly.Decorator getDecorator(HttpServletRequest request, Page page)
Decorator
for a certain Page.
The implementation can determine the result based on the actual request
or the data of the parsed page. Typically this would call getNamedDecorator()
which would delegate to a parent DecoratorMapper.
Decorator getNamedDecorator(HttpServletRequest request, String name)
Decorator
with given name.
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