ws.ament.hammock.metrics.MetricsServletProvider Maven / Gradle / Ivy
/*
* Copyright 2016 Hammock and its contributors
*
* 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 ws.ament.hammock.metrics;
import com.codahale.metrics.servlets.AdminServlet;
import ws.ament.hammock.web.spi.ServletContextAttributeProvider;
import ws.ament.hammock.web.api.ServletDescriptor;
import javax.enterprise.context.ApplicationScoped;
import javax.enterprise.inject.Produces;
import javax.inject.Inject;
import javax.servlet.annotation.WebInitParam;
import java.util.HashMap;
import java.util.Map;
@ApplicationScoped
public class MetricsServletProvider implements ServletContextAttributeProvider{
@Inject
private MetricsConfig metricsConfig;
@Produces
public ServletDescriptor metricsServlet() {
String[] uris = new String[]{metricsConfig.getBaseUri()};
WebInitParam[] params = null;
return new ServletDescriptor("Metrics", uris, uris, 1, params, false, AdminServlet.class);
}
@Override
public Map getAttributes() {
Map attributes = new HashMap<>();
attributes.put("com.codahale.metrics.servlets.HealthCheckServlet.registry", metricsConfig.getHealthCheckRegistry());
attributes.put("com.codahale.metrics.servlets.MetricsServlet.registry", metricsConfig.getMetricRegistry());
return attributes;
}
}