/*
* 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.
*/
package com.github.sakserv.minicluster.yarn.util;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
/**
* @author Oleg Zhurakousky
*
*/
public class ReflectionUtils {
/**
*
* @param clazz
* @param name
* @param arguments
* @return
*/
public static Method getMethodAndMakeAccessible(Class<?> clazz, String name, Class<?>... arguments) {
try {
Method m = org.springframework.util.ReflectionUtils.findMethod(clazz, name, arguments);
m.setAccessible(true);
return m;
}
catch (Exception e) {
throw new IllegalArgumentException(e);
}
}
/**
*
* @param clazz
* @param fieldName
* @return
*/
public static Field getFieldAndMakeAccessible(Class<?> clazz, String fieldName) {
Class<?> searchType = clazz;
while (!Object.class.equals(searchType) && searchType != null) {
Field[] fields = searchType.getDeclaredFields();
for (Field field : fields) {
if (fieldName == null || fieldName.equals(field.getName())) {
field.setAccessible(true);
return field;
}
}
searchType = searchType.getSuperclass();
}
return null;
}
}