com.netflix.spectator.nflx.Plugin.java Source code

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Here is the source code for com.netflix.spectator.nflx.Plugin.java

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/**
 * Copyright 2015 Netflix, Inc.
 *
 * 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 com.netflix.spectator.nflx;

import com.netflix.config.ConfigurationManager;
import iep.com.netflix.iep.http.RxHttp;
import com.netflix.spectator.api.Spectator;
import com.netflix.spectator.gc.GcLogger;
import com.netflix.spectator.jvm.Jmx;
import org.apache.commons.configuration.AbstractConfiguration;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import javax.annotation.PostConstruct;
import javax.inject.Inject;
import javax.inject.Singleton;
import java.io.IOException;

/**
 * Plugin for setting up spectator to report correctly into the standard Netflix stack.
 */
@Singleton
public final class Plugin {

    private static final String CONFIG_FILE = "spectator.properties";

    private static final String ENABLED_PROP = "spectator.nflx.enabled";

    private static final GcLogger GC_LOGGER = new GcLogger();

    private static final Logger LOGGER = LoggerFactory.getLogger(Plugin.class);

    private final RxHttp rxHttp;

    /** Create a new instance. */
    @Inject
    public Plugin(RxHttp rxHttp) {
        this.rxHttp = rxHttp;
    }

    @PostConstruct
    private void init() throws IOException {
        AbstractConfiguration config = ConfigurationManager.getConfigInstance();
        final boolean enabled = config.getBoolean(ENABLED_PROP, true);
        if (enabled) {
            ConfigurationManager.loadPropertiesFromResources(CONFIG_FILE);
            if (config.getBoolean("spectator.gc.loggingEnabled")) {
                GC_LOGGER.start(new ChronosGcEventListener(rxHttp));
                LOGGER.info("gc logging started");
            } else {
                LOGGER.info("gc logging is not enabled");
            }

            Jmx.registerStandardMXBeans(Spectator.registry());
        } else {
            LOGGER.debug("plugin not enabled, set " + ENABLED_PROP + "=true to enable");
        }
    }
}