org.springframework.boot.actuate.autoconfigure.endpoint.jmx.DefaultEndpointObjectNameFactory Maven / Gradle / Ivy
/*
* Copyright 2012-2023 the original author or authors.
*
* 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
*
* https://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.springframework.boot.actuate.autoconfigure.endpoint.jmx;
import javax.management.MBeanServer;
import javax.management.MalformedObjectNameException;
import javax.management.ObjectName;
import org.springframework.boot.actuate.endpoint.jmx.EndpointObjectNameFactory;
import org.springframework.boot.actuate.endpoint.jmx.ExposableJmxEndpoint;
import org.springframework.boot.autoconfigure.jmx.JmxProperties;
import org.springframework.jmx.support.ObjectNameManager;
import org.springframework.util.ObjectUtils;
import org.springframework.util.StringUtils;
/**
* A {@link EndpointObjectNameFactory} that generates standard {@link ObjectName} for
* Actuator's endpoints.
*
* @author Stephane Nicoll
*/
class DefaultEndpointObjectNameFactory implements EndpointObjectNameFactory {
private final JmxEndpointProperties properties;
private final JmxProperties jmxProperties;
private final MBeanServer mBeanServer;
private final String contextId;
DefaultEndpointObjectNameFactory(JmxEndpointProperties properties, JmxProperties jmxProperties,
MBeanServer mBeanServer, String contextId) {
this.properties = properties;
this.jmxProperties = jmxProperties;
this.mBeanServer = mBeanServer;
this.contextId = contextId;
}
@Override
public ObjectName getObjectName(ExposableJmxEndpoint endpoint) throws MalformedObjectNameException {
StringBuilder builder = new StringBuilder(determineDomain());
builder.append(":type=Endpoint");
builder.append(",name=").append(StringUtils.capitalize(endpoint.getEndpointId().toString()));
String baseName = builder.toString();
if (this.mBeanServer != null && hasMBean(baseName)) {
builder.append(",context=").append(this.contextId);
}
if (this.jmxProperties.isUniqueNames()) {
String identity = ObjectUtils.getIdentityHexString(endpoint);
builder.append(",identity=").append(identity);
}
builder.append(getStaticNames());
return ObjectNameManager.getInstance(builder.toString());
}
private String determineDomain() {
if (StringUtils.hasText(this.properties.getDomain())) {
return this.properties.getDomain();
}
if (StringUtils.hasText(this.jmxProperties.getDefaultDomain())) {
return this.jmxProperties.getDefaultDomain();
}
return "org.springframework.boot";
}
private boolean hasMBean(String baseObjectName) throws MalformedObjectNameException {
ObjectName query = new ObjectName(baseObjectName + ",*");
return !this.mBeanServer.queryNames(query, null).isEmpty();
}
private String getStaticNames() {
if (this.properties.getStaticNames().isEmpty()) {
return "";
}
StringBuilder builder = new StringBuilder();
this.properties.getStaticNames()
.forEach((name, value) -> builder.append(",").append(name).append("=").append(value));
return builder.toString();
}
}