org.springsource.loaded.ReflectionFieldReaderWriter Maven / Gradle / Ivy
/*
* Copyright 2010-2012 VMware and contributors
*
* 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 org.springsource.loaded;
import java.lang.reflect.Field;
import java.lang.reflect.Modifier;
/**
* A FieldReaderWriter implementation that simply uses reflection to set/get the fields.
*
* @author Andy Clement
* @since 0.5.0
*/
public class ReflectionFieldReaderWriter extends FieldReaderWriter {
private Field field;
public ReflectionFieldReaderWriter(Field findField) {
super();
this.field = findField;
}
@Override
public Object getStaticFieldValue(Class type, SSMgr fieldAccessor) throws IllegalAccessException, IllegalArgumentException {
field.setAccessible(true);
return field.get(null);
}
@Override
public void setStaticFieldValue(Class clazz, Object newValue, SSMgr fieldAccessor) throws IllegalAccessException {
field.setAccessible(true);
field.set(null, newValue);
}
@Override
public void setValue(Object instance, Object newValue, ISMgr fieldAccessor) throws IllegalAccessException {
field.setAccessible(true);
field.set(instance, newValue);
}
@Override
public Object getValue(Object instance, ISMgr fieldAccessor) throws IllegalAccessException, IllegalArgumentException {
field.setAccessible(true);
return field.get(instance);
}
@Override
public boolean isStatic() {
return Modifier.isStatic(field.getModifiers());
}
}