Java Method Call invokeHeritedMethod(Object target, String method, Class klass)

Description

invoke Herited Method

License

Apache License

Declaration

private static Method invokeHeritedMethod(Object target, String method, Class<?> klass)
            throws NoSuchMethodException 

Method Source Code

//package com.java2s;
/**//from   w ww .  j a v  a  2  s .c  o  m
 * Copyright 2012 Eric P. Vialle
 * 
 * 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 {
    /**
     * 
     * @param target an instancied object
     * @param method the method to call on the target
     * @return the method, even if it belongs to an inherited class
     * @throws NoSuchMethodException if this method doesn't exist at all
     */
    public static Method invokeHeritedMethod(Object target, String method) throws NoSuchMethodException {
        return invokeHeritedMethod(target, method, target.getClass());
    }

    private static Method invokeHeritedMethod(Object target, String method, Class<?> klass)
            throws NoSuchMethodException {
        if (klass == null) {
            throw new NoSuchMethodException();
        }

        Method m;
        try {
            m = klass.getDeclaredMethod(method);

        } catch (NoSuchMethodException e) {
            return invokeHeritedMethod(target, method, klass.getSuperclass());
        }

        return m;
    }
}

Related

1. invokeFunctions(Object iFunction, String funcName)
2. invokeGenericMethodOneArg(final Object obj, final String methodName, final Object arg)
3. invokeGet(Object o, String fieldName)
4. invokeGetClasspathMethodIfItExists(ClassLoader cl)
5. invokeGetMethodWithSameName(Object object, Method method)
6. invokeInstanceMethod(Object target, String methodName, Class type, Object arg)
7. invokeIteratorCallable(String callableClassName, ClassLoader cl)
8. invokeMXMethod(String methodName)
9. invokeNoArgs(Object instance, Method method, Class returnType)