Java Reflection Method Name getMethod(String methodName, Class clazz)

Description

get Method

License

Apache License

Declaration

private static Method getMethod(String methodName, Class<?> clazz) 

Method Source Code

//package com.java2s;
/**/*from ww  w . j  av a 2  s.  co  m*/
 * Copyright (C) 2016 DSpot Sp. z o.o
 * 
 * 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.
 */

import java.lang.reflect.Method;

public class Main {
    private static Method getMethod(String methodName, Class<?> clazz) {
        Method method = getDeclaredMethod(methodName, clazz);
        if (method == null) {
            Class<?> parent = clazz.getSuperclass();

            while (parent != null) {
                method = getDeclaredMethod(methodName, parent);
                if (method != null)
                    break;
                parent = parent.getSuperclass();
            }
        }

        return method;
    }

    private static Method getDeclaredMethod(String methodName, Class<?> clazz) {
        Method[] methods = clazz.getDeclaredMethods();
        for (Method method : methods) {
            if (method.getName().equals(methodName)) {
                method.setAccessible(true);
                return method;
            }
        }

        return null;
    }
}

Related

1. getMethod(Method[] methods, String name, Class[] params)
2. getMethod(String className)
3. getMethod(String className, String functionName, Class[] paramTypes)
4. getMethod(String className, String functionName, Class[] paramTypes)
5. getMethod(String className, String methodName, Class[] params)
6. getMethod(String methodName, Class clazz, Class... args)
7. getMethod(String methodName, Class klass)
8. getMethod(String methodName, Class type)
9. getMethod(String methodName, Class[] paramTypes, Class targetClass)