org.rapidoid.platform.AppChangeWatcher Maven / Gradle / Ivy

Go to download
package org.rapidoid.platform;

/*
 * #%L
 * rapidoid-platform
 * %%
 * 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%
 */

import org.rapidoid.RapidoidThing;
import org.rapidoid.annotation.Authors;
import org.rapidoid.annotation.Since;
import org.rapidoid.deploy.AppDeployer;
import org.rapidoid.io.watch.Watch;
import org.rapidoid.log.Log;

import java.io.File;

@Authors("Nikolche Mihajlovski")
@Since("5.3.0")
public class AppChangeWatcher extends RapidoidThing {

	public void watch(String root, String appId) {
		Watch.dir(root, Watch.simpleListener(filename -> {
			if (shouldRestartOnFileChange(filename)) {
				Log.info("Detected changes on the file system, restarting the application...", "filename", filename);
				AppDeployer.startOrRestartApp(appId);
			}
		}));
	}

	private boolean shouldRestartOnFileChange(String filename) {
		String name = new File(filename).getName();
		return !name.startsWith(".") && !name.endsWith(".staged");
	}

}