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/*
* Copyright (c) 2017 Cisco and/or its affiliates.
*
* 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 io.fd.honeycomb.management.jmx;
import javax.annotation.Nonnull;
import javax.management.ObjectName;
import javax.management.remote.JMXConnector;
import javax.management.remote.JMXConnectorFactory;
import javax.management.remote.JMXServiceURL;
import java.io.IOException;
public interface JMXBeanProvider {
/**
* Provides JMX connector to specified url
*/
default JMXConnector getConnector(@Nonnull final JMXServiceURL url) {
try {
return JMXConnectorFactory.connect(url);
} catch (IOException e) {
throw new IllegalStateException("Unable to create JMX connector", e);
}
}
/**
* Requests specified jxm bean from provided connector
*/
default Object getJMXAttribute(@Nonnull final JMXConnector connector, @Nonnull final String beanType,
@Nonnull final String beanName) {
try {
return connector.getMBeanServerConnection().getAttribute(new ObjectName(beanType), beanName);
} catch (Exception e) {
throw new IllegalStateException(
String.format("Unable to query mbean of type %s, name %s", beanType, beanName), e);
}
}
}
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