/*
* 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.deltaspike.core.impl.jmx;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
/**
* Just a helper class mapping a JMX attribute.
* It make the link between the attribute and its accessors validating
* operations (read/write) are possible.
*/
public class AttributeAccessor
{
private final Method getter;
private final Method setter;
private final boolean presentAsTabularIfPossible;
public AttributeAccessor(final Method get, final Method set, final boolean presentAsTabularIfPossible)
{
this.setter = set;
this.getter = get;
this.presentAsTabularIfPossible = presentAsTabularIfPossible;
}
public boolean isPresentAsTabularIfPossible()
{
return presentAsTabularIfPossible;
}
public Object get(final Object instance) throws InvocationTargetException, IllegalAccessException
{
if (getter == null)
{
throw new IllegalAccessException("This attribute has no getter");
}
return getter.invoke(instance);
}
public void set(final Object instance, final Object value) throws InvocationTargetException, IllegalAccessException
{
if (setter == null)
{
throw new IllegalAccessException("This attribute has no setter");
}
setter.invoke(instance, value);
}
}