/*
* Copyright 2012-2016 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
*
* 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.springframework.boot.actuate.endpoint;
import java.util.Collections;
import java.util.Map;
import org.springframework.beans.BeansException;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.context.ConfigurableApplicationContext;
/**
* {@link Endpoint} to shutdown the {@link ApplicationContext}.
*
* @author Dave Syer
* @author Christian Dupuis
* @author Andy Wilkinson
*/
@ConfigurationProperties(prefix = "endpoints.shutdown")
public class ShutdownEndpoint extends AbstractEndpoint<Map<String, Object>>
implements ApplicationContextAware {
private static final Map<String, Object> NO_CONTEXT_MESSAGE = Collections
.unmodifiableMap(Collections.<String, Object>singletonMap("message",
"No context to shutdown."));
private static final Map<String, Object> SHUTDOWN_MESSAGE = Collections
.unmodifiableMap(Collections.<String, Object>singletonMap("message",
"Shutting down, bye..."));
private ConfigurableApplicationContext context;
/**
* Create a new {@link ShutdownEndpoint} instance.
*/
public ShutdownEndpoint() {
super("shutdown", true, false);
}
@Override
public Map<String, Object> invoke() {
if (this.context == null) {
return NO_CONTEXT_MESSAGE;
}
try {
return SHUTDOWN_MESSAGE;
}
finally {
Thread thread = new Thread(new Runnable() {
@Override
public void run() {
try {
Thread.sleep(500L);
}
catch (InterruptedException ex) {
Thread.currentThread().interrupt();
}
ShutdownEndpoint.this.context.close();
}
});
thread.setContextClassLoader(getClass().getClassLoader());
thread.start();
}
}
@Override
public void setApplicationContext(ApplicationContext context) throws BeansException {
if (context instanceof ConfigurableApplicationContext) {
this.context = (ConfigurableApplicationContext) context;
}
}
}