Fields.java

/*
 * Copyright 2006 the original author or authors.
 *
 * 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 jdave.util;

import java.lang.reflect.Field;


/**
 * @author Pekka Enberg
 * @author Juha Karemo
 */
public class Fields {
    public static void set(Object object, String fieldName, Object value) {
        try {
            object.getClass().getField(fieldName).set(object, value);
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }
    
    public static Object get(Object object, String fieldName) {
        try {
            Field field = object.getClass().getDeclaredField(fieldName);
            field.setAccessible(true);
            return field.get(object);
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }
    
    @SuppressWarnings("unchecked")
    public static <T> T getStatic(Class<?> clazz, String fieldName) {
        try {
            Field field = clazz.getDeclaredField(fieldName);
            field.setAccessible(true);
            return (T) field.get(clazz);
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }
}