modules/interface-java/src/main/java/org/apache/tuscany/sca/interfacedef/java/impl/JavaIntrospectionHelper.java [534:554]:
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    public static Class introspectGeneric(Class<?> clazz, int pos) {
        assert clazz != null : "No class specified";
        Type type = clazz.getGenericSuperclass();
        if (type instanceof ParameterizedType) {
            Type[] args = ((ParameterizedType)type).getActualTypeArguments();
            if (args.length <= pos) {
                throw new IllegalArgumentException("Invalid index value for generic class " + clazz.getName());
            }
            return (Class)((ParameterizedType)type).getActualTypeArguments()[pos];
        } else {
            Type[] interfaces = clazz.getGenericInterfaces();
            for (Type itype : interfaces) {
                if (!(itype instanceof ParameterizedType)) {
                    continue;
                }
                ParameterizedType interfaceType = (ParameterizedType)itype;
                return (Class)interfaceType.getActualTypeArguments()[0];
            }
        }
        return null;
    }
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modules/common-java/src/main/java/org/apache/tuscany/sca/common/java/reflection/JavaIntrospectionHelper.java [481:501]:
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    public static Class introspectGeneric(Class<?> clazz, int pos) {
        assert clazz != null : "No class specified";
        Type type = clazz.getGenericSuperclass();
        if (type instanceof ParameterizedType) {
            Type[] args = ((ParameterizedType)type).getActualTypeArguments();
            if (args.length <= pos) {
                throw new IllegalArgumentException("Invalid index value for generic class " + clazz.getName());
            }
            return (Class)((ParameterizedType)type).getActualTypeArguments()[pos];
        } else {
            Type[] interfaces = clazz.getGenericInterfaces();
            for (Type itype : interfaces) {
                if (!(itype instanceof ParameterizedType)) {
                    continue;
                }
                ParameterizedType interfaceType = (ParameterizedType)itype;
                return (Class)interfaceType.getActualTypeArguments()[0];
            }
        }
        return null;
    }
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modules/implementation-java/src/main/java/org/apache/tuscany/sca/implementation/java/introspect/JavaIntrospectionHelper.java [538:558]:
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    public static Class introspectGeneric(Class<?> clazz, int pos) {
        assert clazz != null : "No class specified";
        Type type = clazz.getGenericSuperclass();
        if (type instanceof ParameterizedType) {
            Type[] args = ((ParameterizedType)type).getActualTypeArguments();
            if (args.length <= pos) {
                throw new IllegalArgumentException("Invalid index value for generic class " + clazz.getName());
            }
            return (Class)((ParameterizedType)type).getActualTypeArguments()[pos];
        } else {
            Type[] interfaces = clazz.getGenericInterfaces();
            for (Type itype : interfaces) {
                if (!(itype instanceof ParameterizedType)) {
                    continue;
                }
                ParameterizedType interfaceType = (ParameterizedType)itype;
                return (Class)interfaceType.getActualTypeArguments()[0];
            }
        }
        return null;
    }
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