org.rapidoid.webapp.Apps Maven / Gradle / Ivy

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package org.rapidoid.webapp;

/*
 * #%L
 * rapidoid-quick
 * %%
 * Copyright (C) 2014 - 2015 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%
 */

import org.rapidoid.annotation.Authors;
import org.rapidoid.annotation.Since;
import org.rapidoid.beany.Beany;
import org.rapidoid.log.Log;
import org.rapidoid.u.U;
import org.rapidoid.util.Usage;

@Authors("Nikolche Mihajlovski")
@Since("2.0.0")
public class Apps {

	@SuppressWarnings("unchecked")
	public static  T config(Object obj, String configName, T byDefault) {
		Object val = Beany.getPropValue(obj, configName, null);
		return val != null ? (T) val : byDefault;
	}

	public static boolean addon(Object obj, String configName) {
		return config(obj, configName, false) || config(obj, "full", true);
	}

	public static void terminate(final int afterSeconds) {
		Log.warn("Terminating application in " + afterSeconds + " seconds...");
		new Thread() {
			@Override
			public void run() {
				U.sleep(afterSeconds * 1000);
				terminate();
			}
		}.start();
	}

	public static void terminateIfIdleFor(final int idleSeconds) {
		Log.warn("Will terminate if idle for " + idleSeconds + " seconds...");

		new Thread(new Runnable() {
			@Override
			public void run() {
				while (!Thread.interrupted()) {
					U.sleep(500);
					long lastUsed = Usage.getLastAppUsedOn();
					long idleSec = (U.time() - lastUsed) / 1000;
					if (idleSec >= idleSeconds) {
						Usage.touchLastAppUsedOn();
						terminate();
					}
				}
			}
		}).start();
	}

	public static void terminate() {
		Log.warn("Terminating application.");
		System.exit(0);
	}

}