Java tutorial
/* * Copyright (C) 2015 PRIS Quentin * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ package com.playonlinux.containers; import java.io.File; import java.util.ArrayList; import java.util.List; import java.util.concurrent.ExecutorService; import java.util.function.Consumer; import org.apache.commons.lang.StringUtils; import com.playonlinux.app.PlayOnLinuxContext; import com.playonlinux.containers.entities.ContainerEntity; import com.playonlinux.core.config.CompatibleConfigFileFormat; import com.playonlinux.core.config.ConfigFile; import com.playonlinux.filesystem.DirectoryWatcherFiles; import com.playonlinux.injection.Inject; import com.playonlinux.injection.Scan; @Scan public class DefaultContainersManager implements ContainersManager { @Inject static PlayOnLinuxContext playOnLinuxContext; @Inject static ExecutorService executorService; @Inject static AnyContainerFactory anyContainerFactory; private DirectoryWatcherFiles containersDirectoryObservable; private final List<Container<? extends ContainerEntity>> containers = new ArrayList<>(); private Consumer<ContainersManager> onChange; @Override public List<Container<? extends ContainerEntity>> getContainers() { return new ArrayList<>(containers); } public void update(List<File> files) { containers.clear(); for (File file : files) { final ConfigFile containerConfigFile = new CompatibleConfigFileFormat( new File(file, "playonlinux.cfg")); String containerType = containerConfigFile.readValue("containerType"); if (StringUtils.isBlank(containerType)) { containerType = "WinePrefix"; } containers.add(anyContainerFactory.createInstance(containerType, file)); } if (onChange != null) { onChange.accept(this); } } @Override public void shutdown() { // Nothing to shutdown } @Override public void init() { final File containersDirectory = playOnLinuxContext.makeContainersPath(); containersDirectoryObservable = new DirectoryWatcherFiles(executorService, containersDirectory.toPath()); containersDirectoryObservable.setOnChange(this::update); } @Override public void setOnChange(Consumer<ContainersManager> onChange) { this.onChange = onChange; } }