/*
* 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.catalina.mbeans;
import javax.management.InstanceNotFoundException;
import javax.management.MBeanException;
import javax.management.RuntimeOperationsException;
import javax.management.modelmbean.InvalidTargetObjectTypeException;
import org.apache.tomcat.util.modeler.BaseModelMBean;
public abstract class BaseCatalinaMBean<T> extends BaseModelMBean {
protected T doGetManagedResource() throws MBeanException {
try {
@SuppressWarnings("unchecked")
T resource = (T) getManagedResource();
return resource;
} catch (InstanceNotFoundException | RuntimeOperationsException | InvalidTargetObjectTypeException e) {
throw new MBeanException(e);
}
}
protected static Object newInstance(String type) throws MBeanException {
try {
return Class.forName(type).getConstructor().newInstance();
} catch (ReflectiveOperationException e) {
throw new MBeanException(e);
}
}
}