| // Copyright 2006 The Apache Software Foundation |
| // |
| // 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. |
| |
| package org.apache.tapestry5.util; |
| |
| import org.apache.tapestry5.ioc.internal.util.Orderer; |
| |
| import static java.lang.System.out; |
| import java.lang.reflect.Method; |
| import java.lang.reflect.ParameterizedType; |
| import java.lang.reflect.Type; |
| import java.util.List; |
| import java.util.Map; |
| |
| public class FindTheParameterizedType |
| { |
| |
| /** |
| * @param args |
| */ |
| public static void main(String[] args) throws Exception |
| { |
| Method m = FindTheParameterizedType.class.getMethod("method", Map.class, List.class); |
| |
| out.println(m.toString()); |
| out.println(m.toGenericString()); |
| |
| Type[] types = m.getGenericParameterTypes(); |
| ParameterizedType pt = (ParameterizedType) types[0]; |
| |
| Type keyType = pt.getActualTypeArguments()[0]; |
| Type valueType = pt.getActualTypeArguments()[1]; |
| |
| out.printf(" key type: %s\n", rawType(keyType)); |
| out.printf(" value type: %s\n", rawType(valueType)); |
| |
| Type listType = types[1]; |
| |
| out.printf(" list type: %s\n", rawType(listType)); |
| } |
| |
| private static Class rawType(Type type) |
| { |
| if (type instanceof ParameterizedType) |
| { |
| ParameterizedType pt = (ParameterizedType) type; |
| |
| return rawType(pt.getRawType()); |
| } |
| |
| if (type instanceof Class) |
| { |
| return (Class) type; |
| } |
| |
| throw new IllegalArgumentException(); |
| } |
| |
| public void method(Map<String, Orderer<Runnable>> configuration, List list) |
| { |
| |
| } |
| |
| } |