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commit 52d21f1d4efd8931589399a7feba7e76ad63441e Author: juanpablo <[email protected]> AuthorDate: Wed Feb 19 14:23:52 2020 +0100 JSPWIKI-120: add adapt( Class< E > cls ) method to Engine --- .../src/main/java/org/apache/wiki/api/core/Engine.java | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/jspwiki-main/src/main/java/org/apache/wiki/api/core/Engine.java b/jspwiki-main/src/main/java/org/apache/wiki/api/core/Engine.java index 7cb1bf6..cc45798 100644 --- a/jspwiki-main/src/main/java/org/apache/wiki/api/core/Engine.java +++ b/jspwiki-main/src/main/java/org/apache/wiki/api/core/Engine.java @@ -82,6 +82,17 @@ public interface Engine { String PROP_ALLOW_CREATION_OF_EMPTY_PAGES = "jspwiki.allowCreationOfEmptyPages"; /** + * Adapt Engine to a concrete type. + * + * @param cls class denoting the type to adapt to. + * @param <E> type to adapt to. + * @return engine instance adapted to the requested type. Might throw an unchecked exception if the instance cannot be adapted to requested type! + */ + default < E extends Engine > E adapt( Class< E > cls ) { + return ( E )this; + } + + /** * Retrieves the requested object instantiated by the Engine. * * @param manager requested object instantiated by the Engine.
