Java Method Call invoke(String methodName, Object obj)

Description

silent reflect invocation of method name if it exists

License

Apache License

Parameter

Parameter	Description
methodName	a parameter
obj	a parameter

Return

true if invoked false if not

Declaration

public static boolean invoke(String methodName, Object obj) 

Method Source Code

//package com.java2s;
/*******************************************************************************
 * Copyright (c) 2015 Low Latency Trading Limited  :  Author Richard Rose
 * 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 final Class<?>[] NULL_CLASS_ARGS = {};
    private static final Object[] NULL_ARGS = {};

    /**//from www.java 2 s  . co  m
     * silent reflect invocation of method name if it exists
     * 
     * @param methodName
     * @param obj
     * @return true if invoked false if not
     */
    public static boolean invoke(String methodName, Object obj) {
        Class<?> c = obj.getClass();

        try {
            Method m = c.getMethod(methodName, NULL_CLASS_ARGS);

            m.invoke(obj, NULL_ARGS);
        } catch (Exception e) {
            return false;
        }

        return true;
    }
}

Related

1. invoke(ObjectName objectName, String attribute, Object[] params, String[] signatur)
2. invoke(Optional method, Class clazz, Object... args)
3. invoke(String className, String methodName, Class[] paramTypes, Object... params)
4. invoke(String cls_name, String method, Class[] param_cls, Object cls, Object[] params)
5. invoke(String method)
6. invoke(String methodName, Object object, Class[] argTypes, Object[] args)
7. invoke(String methodName, Object target, Class targetClass, Object[] args)
8. invoke(String name, Object object, Object... args)
9. invoke_ex(Object obj, String method, Class[] params, Object[] args)