Java Reflection Method Invoke invokeMethod(Object object, String methodName, Class[] signature, Object[] parameters)

Description

invoke Method

License

Apache License

Declaration

static Object invokeMethod(Object object, String methodName, Class<?>[] signature, Object[] parameters) 

Method Source Code

//package com.java2s;
/*//from   w  w  w.j a v  a2  s.  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 {
    static Object invokeMethod(Object object, String methodName, Class<?>[] signature, Object[] parameters) {
        // Note: Does not check super classes!
        Class<?> clazz = object.getClass();
        try {
            Method method = clazz.getDeclaredMethod(methodName, signature);
            return method.invoke(object, parameters);
        } catch (Exception e) {
            e.printStackTrace();
        }
        return null;
    }
}

Related

1. invokeMethod(Object obj, String methodname, Object... args)
2. invokeMethod(Object obj, String methodName, Object... params)
3. invokeMethod(Object obj, String methodName, Object[] params, Class[] paramTypes)
4. invokeMethod(Object object, Method method, Object... args)
5. invokeMethod(Object object, String methodName, Class[] parameterTypes, Object[] parameters)
6. invokeMethod(Object object, String methodName, List argList)
7. invokeMethod(Object object, String methodName, Object arg, Class argType)
8. invokeMethod(Object object, String methodName, Object... parameters)
9. invokeMethod(Object object, String methodName, Object[] args, Class[] parameterTypes)