1 /*
2 * Copyright 2007 Werner Guttmann
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16 package org.exolab.castor.util;
17
18 import java.lang.reflect.InvocationTargetException;
19 import java.lang.reflect.Method;
20
21 /**
22 * Utility class to support reflection-based operations.
23 *
24 * @since 1.1.2
25 */
26 public class ReflectionUtil {
27
28 /**
29 * Calls isEnum() method on target class vi areflection to find out
30 * whether the given type is a Java 5 enumeration.
31 * @param type The type to analyze.
32 * @return True if the type given is a Java 5.0 enum.
33 * @throws NoSuchMethodException If the method can not be found.
34 * @throws IllegalAccessException If access to this method is illegal
35 * @throws InvocationTargetException If the target method can not be invoked.
36 */
37 public static Boolean isEnumViaReflection(Class type)
38 throws NoSuchMethodException, IllegalAccessException, InvocationTargetException {
39 Method isEnumMethod = type.getClass().getMethod("isEnum", (Class[]) null);
40 return (Boolean) isEnumMethod.invoke(type, (Object[]) null);
41 }
42
43
44 }