[英]Unable to unmarshal LocalDate and LocalTime class using Jackson
[英]jackson: how to unmarshal to a class using generics in runtime?
我需要在运行时使用泛型将json字符串解组到Class。 就像是:
String classname = "this.is.a.class.name.read.at.runtime";
Class cls = Class.forName(classname);
mapper.readValue(jsonPayload, new TypeReference<GenericClass<cls>>() {});
显然,上述方法不起作用,我无法找到一个好的解决方案。
以下代码解决了我的问题:
String genericParameterClassName = "this.is.a.class.name.read.at.runtime";
Class clazz = Class.forName(genericParameterClassName);
JavaType = mapper.getTypeFactory().constructParametrizedType(GenericClass.class,GenericClass.class,clazz);
GenericClass m = mapper.readValue(jsonPayload, type);
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