| /** |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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.camel.util; |
| |
| import java.util.Collection; |
| import java.util.Enumeration; |
| import java.util.Hashtable; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Queue; |
| import java.util.Set; |
| import java.util.concurrent.Future; |
| import javax.naming.NamingEnumeration; |
| |
| /** |
| * Utility methods for type casting. |
| */ |
| @SuppressWarnings("unchecked") |
| public final class CastUtils { |
| |
| private CastUtils() { |
| //utility class, never constructed |
| } |
| |
| public static <T, U> Map<T, U> cast(Map<?, ?> p) { |
| return (Map<T, U>) p; |
| } |
| |
| public static <T, U> Map<T, U> cast(Map<?, ?> p, Class<T> t, Class<U> u) { |
| return (Map<T, U>) p; |
| } |
| |
| public static <T> Collection<T> cast(Collection<?> p) { |
| return (Collection<T>) p; |
| } |
| |
| public static <T> Collection<T> cast(Collection<?> p, Class<T> cls) { |
| return (Collection<T>) p; |
| } |
| |
| public static <T> List<T> cast(List<?> p) { |
| return (List<T>) p; |
| } |
| |
| public static <T> List<T> cast(List<?> p, Class<T> cls) { |
| return (List<T>) p; |
| } |
| |
| public static <T> Iterator<T> cast(Iterator<?> p) { |
| return (Iterator<T>) p; |
| } |
| |
| public static <T> Iterator<T> cast(Iterator<?> p, Class<T> cls) { |
| return (Iterator<T>) p; |
| } |
| |
| public static <T> Set<T> cast(Set<?> p) { |
| return (Set<T>) p; |
| } |
| |
| public static <T> Set<T> cast(Set<?> p, Class<T> cls) { |
| return (Set<T>) p; |
| } |
| |
| public static <T> Queue<T> cast(Queue<?> p) { |
| return (Queue<T>) p; |
| } |
| |
| public static <T> Queue<T> cast(Queue<?> p, Class<T> cls) { |
| return (Queue<T>) p; |
| } |
| |
| public static <T, U> Hashtable<T, U> cast(Hashtable<?, ?> p) { |
| return (Hashtable<T, U>) p; |
| } |
| |
| public static <T, U> Hashtable<T, U> cast(Hashtable<?, ?> p, Class<T> pc, Class<U> uc) { |
| return (Hashtable<T, U>) p; |
| } |
| |
| public static <T, U> Map.Entry<T, U> cast(Map.Entry<?, ?> p) { |
| return (Map.Entry<T, U>) p; |
| } |
| |
| public static <T, U> Map.Entry<T, U> cast(Map.Entry<?, ?> p, Class<T> pc, Class<U> uc) { |
| return (Map.Entry<T, U>) p; |
| } |
| |
| public static <T> Enumeration<T> cast(Enumeration<?> p) { |
| return (Enumeration<T>) p; |
| } |
| |
| public static <T> NamingEnumeration<T> cast(NamingEnumeration<?> p) { |
| return (NamingEnumeration<T>) p; |
| } |
| |
| public static <T> Class<T> cast(Class<?> p) { |
| return (Class<T>) p; |
| } |
| |
| public static <T> Class<T> cast(Class<?> p, Class<T> cls) { |
| return (Class<T>) p; |
| } |
| |
| public static <T> Future<T> cast(Future<?> p) { |
| return (Future<T>) p; |
| } |
| } |