Java Reflection Method Parameter getMethod0(Class target, String name, Class[] parameterTypes)

Description

get Method

License

Apache License

Declaration

private static Method getMethod0(Class<?> target, String name, Class<?>[] parameterTypes) 

Method Source Code

//package com.java2s;
/*//  w w w.j a v  a  2s  .c  o m
 *  Copyright 2009 Martin Traverso
 *
 *  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 getMethod0(Class<?> target, String name, Class<?>[] parameterTypes) {
        try {
            Method method = target.getDeclaredMethod(name, parameterTypes);
            method.setAccessible(true);
            return method;
        } catch (NoSuchMethodException ignored) {
        }

        Class<?> superclass = target.getSuperclass();
        if (superclass != null) {
            Method method = getMethod0(superclass, name, parameterTypes);
            if (method != null) {
                return method;
            }
        }

        for (Class<?> iface : target.getInterfaces()) {
            Method method = getMethod0(iface, name, parameterTypes);
            if (method != null) {
                return method;
            }
        }

        return null;
    }
}

Related

1. getMethod(final Class target, final String name, final Class... parameters)
2. getMethod(final Class receiver, final String methodName, final Class... parameterTypes)
3. getMethod(final Field visitee, final String methodName, final Class... parameterTypes)
4. getMethod(String classFullName, String methodName, Class... parameterTypes)
5. getMethod0(Class c, String name, Class... parameterTypes)
6. getMethodAnnotations(String className, String methodName, Class[] parameterTypes)
7. getMethodByName(Class clazz, String name, Class... parameterTypes)
8. getMethodByParametersWithAnnotation(final Class source, final Class[] params, final Class annotation)
9. getMethodFromClass(String className, String methodName, Class... parameterTypes)