001/**
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.apache.camel.spring.util;
018
019import java.lang.reflect.Field;
020import java.lang.reflect.Modifier;
021
022/**
023 * Reflection utilities, extending Spring ReflectionUtils.
024 */
025public class ReflectionUtils extends org.springframework.util.ReflectionUtils {
026
027    public static void setField(Field f, Object instance, Object value) {
028        try {
029            boolean oldAccessible = f.isAccessible();
030            boolean shouldSetAccessible = !Modifier.isPublic(f.getModifiers()) && !oldAccessible;
031            if (shouldSetAccessible) {
032                f.setAccessible(true);
033            }
034            f.set(instance, value);
035            if (shouldSetAccessible) {
036                f.setAccessible(oldAccessible);
037            }
038        } catch (IllegalArgumentException ex) {
039            throw new UnsupportedOperationException("Cannot inject value of class: " + value.getClass() + " into: " + f);
040        } catch (IllegalAccessException ex) {
041            handleReflectionException(ex);
042        }
043    }
044
045}