Java Reflection Method Name getMethodIfAvailable(Class clazz, String methodName, Class... paramTypes)

Description

get Method If Available

License

Apache License

Parameter

Parameter	Description
clazz	a parameter
methodName	a parameter
paramTypes	a parameter

Declaration

public static Method getMethodIfAvailable(Class<?> clazz, String methodName, Class<?>... paramTypes) 

Method Source Code

//package com.java2s;
/*//w w  w  .j a va  2s  . c  o  m
 * 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.
 */

import java.lang.reflect.Method;

public class Main {
    /**
     * @param clazz
     * @param methodName
     * @param paramTypes
     * @return
     */
    public static Method getMethodIfAvailable(Class<?> clazz, String methodName, Class<?>... paramTypes) {
        if (clazz == null) {
            return null;
        }
        try {
            return clazz.getDeclaredMethod(methodName, paramTypes);
        } catch (NoSuchMethodException e) {
            // try superclass
            return getMethodIfAvailable(clazz.getSuperclass(), methodName, paramTypes);
        }
    }
}

Related

1. getMethodFromClassHierarchy(Class clazz, String methodName)
2. getMethodFromClassWithInheritance(Class cls, String methodName)
3. getMethodFullName(Method method)
4. getMethodIfAvailable(Class clazz, String methodName, Class... paramTypes)
5. getMethodIfAvailable(Class clazz, String methodName, Class... paramTypes)
6. getMethodIfAvailable(Class clazz, String methodName, Class... paramTypes)
7. getMethodIncludingSuperClass(Class clazz, String methodName)
8. getMethodInternal(Class clazz, String methodName)
9. getMethodName()