Java Reflection Generic Parameter getGenericParamType(Type type)

Description

get Generic Param Type

License

Apache License

Declaration

public static Type getGenericParamType(Type type) 

Method Source Code

//package com.java2s;
/*//from   ww w. jav a2  s  . c  o m
 * Copyright 1999-2101 Alibaba Group.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import java.lang.reflect.ParameterizedType;

import java.lang.reflect.Type;

public class Main {
    public static Type getGenericParamType(Type type) {
        if (type instanceof ParameterizedType) {
            return type;
        }

        if (type instanceof Class) {
            return getGenericParamType(((Class<?>) type).getGenericSuperclass());
        }

        return type;
    }
}

Related

1. getGenericParameterType(Method method, int paramIdx)
2. getGenericParameterType(Type type, int index)
3. getGenericParameterTypes(final Type type)
4. getGenericParameterTypes(Method m)
5. getGenericParameterTypes(Type t)
6. getGenericParamType(Type type)
7. getGenericParamType1(Type parameterizedType)
8. getGenericParamTypes(Type genericType)
9. getGenericType(Parameter param)