/*
 * Copyright (c) 2002-2012 Alibaba Group Holding Limited.
 * All rights reserved.
 *
 * 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.alibaba.citrus.dev.handler.util;

import java.lang.reflect.Field;
import java.lang.reflect.Method;

public class ReflectionUtil {
    public static Field getAccessibleField(Class<?> targetType, String fieldName) throws Exception {
        Field field = null;

        for (Class<?> c = targetType; c != null && field == null; c = c.getSuperclass()) {
            try {
                field = c.getDeclaredField(fieldName);
            } catch (NoSuchFieldException e) {
            }
        }

        field.setAccessible(true);

        return field;
    }

    public static Method getAccessibleMethod(Class<?> targetType, String methodName, Class<?>[] argTypes)
            throws Exception {
        Method method = null;

        for (Class<?> c = targetType; c != null && method == null; c = c.getSuperclass()) {
            try {
                method = c.getDeclaredMethod(methodName, argTypes);
            } catch (NoSuchMethodException e) {
            }
        }

        method.setAccessible(true);

        return method;
    }
}