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Phillip Webb
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Introduce ResolvableType Class
Add a new ResolvableType Class which encapsulates java.lang.reflect.Type, providing access to supertypes, interfaces and generic parameters along with the ability to ultimately resolve to a java.lang.Class. ResolvableTypes may be obtained from fields, method parameters, method returns, classes or directly from a java.lang.reflect.Type. Most methods will themselves return ResolvableTypes, allowing easy navigation. For example: private HashMap<Integer, List<String>> myMap; public void example() { ResolvableType t = ResolvableType.forField( getClass().getDeclaredField("myMap")); t.getSuperType(); // AbstractMap<Integer, List<String>>; t.asMap(); // Map<Integer, List<String>> t.getGeneric(0).resolve(); // Integer t.getGeneric(1).resolve(); // List t.getGeneric(1); // List<String> t.resolveGeneric(1, 0); // String } Issue: SPR-10973
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