org.apache.openejb.util.reflection.ReflectionUtil Maven / Gradle / Ivy
/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 org.apache.openejb.util.reflection;
import org.apache.openejb.OpenEJBException;
import java.lang.reflect.Field;
public final class ReflectionUtil {
private ReflectionUtil() {
// no-op
}
public static void set(Object notNullInstance, String fieldName, Object value) throws OpenEJBException {
Field field = null;
boolean accessible = true;
try {
Class current = notNullInstance.getClass();
while (!current.equals(Object.class) && field == null) {
field = current.getDeclaredField(fieldName);
current = current.getSuperclass();
}
accessible = field.isAccessible();
if (!accessible) {
field.setAccessible(true);
}
field.set(notNullInstance, value);
} catch (Exception cce) {
throw new OpenEJBException(cce);
} finally {
if (field != null) {
field.setAccessible(accessible);
}
}
}
}