Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/**
 * A collection of small utilities for component management and reflection handling.
 * <p/>
 * <hr/> Copyright 2006-2012 Torsten Heup
 * <p/>
 * 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
 * <p/>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p/>
 * 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.Field;

public class Main {
    /**
     * Retrieves the a field with the specified name from the given class. Other than Class's getField(String) method,
     * this method will also return protected and private fields.
     *
     * @param clazz     Class from which the field should be obtained.
     * @param fieldName Name of the field.
     * @return field with the specified name.
     */
    public static Field getField(final Class clazz, final String fieldName) {
        try {
            return clazz.getField(fieldName);
        } catch (NoSuchFieldException e) {
            /* Means there's no public field, let's keep looking */
        }

        Class runner = clazz;
        while (runner != null) {
            try {
                return runner.getDeclaredField(fieldName);
            } catch (NoSuchFieldException e) {
                /* No luck here either */
            }
            runner = runner.getSuperclass();
        }

        return null;
    }
}