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Rapidoid Commons

There is a newer version: 5.5.5

package org.rapidoid.commons;

import org.rapidoid.RapidoidThing;
import org.rapidoid.annotation.Authors;
import org.rapidoid.annotation.Since;
import org.rapidoid.log.GlobalCfg;
import org.rapidoid.u.U;
import org.rapidoid.util.Msc;

import java.io.IOException;
import java.io.InputStream;
import java.util.List;
import java.util.Properties;

/*
 * #%L
 * rapidoid-commons
 * %%
 * Copyright (C) 2014 - 2017 Nikolche Mihajlovski and 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.
 * #L%
 */

@Authors("Nikolche Mihajlovski")
@Since("5.0.4")
public class RapidoidInfo extends RapidoidThing {

	private static volatile long startedOn = System.currentTimeMillis();

	private static final Properties PROPS = new Properties();

	private static final String VERSION;
	private static final String BUILT_ON;

	static {
		try {
			InputStream res = Thread.currentThread().getContextClassLoader().getResourceAsStream("rapidoid.properties");
			if (res != null) {
				PROPS.load(res);
			}
		} catch (IOException e) {
			throw U.rte(e);
		}

		VERSION = PROPS.getProperty("version");
		BUILT_ON = PROPS.getProperty("built-on");
	}

	public static String version() {
		return VERSION;
	}

	public static String builtOn() {
		return BUILT_ON;
	}

	public static List notes() {
		List notes = U.list();

		if (Msc.dockerized()) notes.add("Dockerized");
		if (GlobalCfg.uniformOutput()) notes.add("Uniform output");

		return notes;
	}

	public static String nameAndInfo() {
		String info = U.frmt("v%s, built on %s", Msc.maybeMasked(version()), Msc.maybeMasked(builtOn()));
		String notes = Str.render(notes(), " [%s]", "");

		return "Rapidoid " + info + notes;
	}

	public static long uptime() {
		return U.time() - startedOn;
	}

	public static boolean isSnapshot() {
		return version().endsWith("-SNAPSHOT");
	}
}