Java Reflection Method Parameter getMethodWithParameter(Class declaringClass, Class parameterClass)

Description

get Method With Parameter

License

Apache License

Declaration

public static Method getMethodWithParameter(Class<?> declaringClass, Class<?> parameterClass) 

Method Source Code

//package com.java2s;
/*/*from   ww  w  . j  a  v a 2 s.  com*/
 *  Copyright 2016 Fabio Collini.
 *
 * 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 {
    public static Method getMethodWithParameter(Class<?> declaringClass, Class<?> parameterClass) {
        Method[] methods = declaringClass.getMethods();
        for (Method method : methods) {
            Class<?>[] parameters = method.getParameterTypes();
            if (parameters.length == 1 && parameters[0].equals(parameterClass)) {
                return method;
            }
        }
        return null;
    }
}

Related

1. getMethodParameterTypes(final Method method)
2. getMethodQuietly(Class clazz, String methodName, Class... parameterTypes)
3. getMethodRecursive(final Class clazz, final String methodName, final Class... parameterTypes)
4. getMethodsWith(Class c, Class... parameters)
5. getMethodUp(Class type, String name, Class... parameterTypes)