A helper method to invoke a method via reflection and wrap any exceptions as RuntimeException instances - Java Reflection

Java examples for Reflection:Method

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Description

A helper method to invoke a method via reflection and wrap any exceptions as RuntimeException instances

Demo Code


//package com.java2s;

import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;

public class Main {
    /**//w  w  w.j  a  v  a2s  .c o m
     * A helper method to invoke a method via reflection and wrap any exceptions
     * as {@link RuntimeException} instances
     *
     * @param method     the method to invoke
     * @param instance   the object instance (or null for static methods)
     * @param parameters the parameters to the method
     * @return the result of the method invocation
     */
    public static Object invokeMethod(Method method, Object instance,
            Object... parameters) {
        if (method == null) {
            return null;
        }
        try {
            return method.invoke(instance, parameters);
        } catch (IllegalAccessException e) {
            throw new RuntimeException(e);
        } catch (InvocationTargetException e) {
            throw new RuntimeException(e.getCause());
        }
    }
}

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