git.basschouten.com Git - openhab-addons.git/blob

   1 /**
   2  * Copyright (c) 2010-2023 Contributors to the openHAB project
   3  *
   4  * See the NOTICE file(s) distributed with this work for additional
   5  * information.
   6  *
   7  * This program and the accompanying materials are made available under the
   8  * terms of the Eclipse Public License 2.0 which is available at
   9  * http://www.eclipse.org/legal/epl-2.0
  10  *
  11  * SPDX-License-Identifier: EPL-2.0
  12  */
  13 package org.openhab.automation.jsscripting.internal.fs.watch;
  14
  15 import java.io.File;
  16 import java.nio.file.Files;
  17
  18 import org.eclipse.jdt.annotation.NonNullByDefault;
  19 import org.openhab.core.automation.module.script.ScriptDependencyTracker;
  20 import org.openhab.core.automation.module.script.rulesupport.loader.AbstractScriptDependencyTracker;
  21 import org.openhab.core.service.WatchService;
  22 import org.osgi.service.component.annotations.Activate;
  23 import org.osgi.service.component.annotations.Component;
  24 import org.osgi.service.component.annotations.Deactivate;
  25 import org.osgi.service.component.annotations.Reference;
  26 import org.osgi.service.component.annotations.ReferenceCardinality;
  27 import org.osgi.service.component.annotations.ReferencePolicy;
  28 import org.slf4j.Logger;
  29 import org.slf4j.LoggerFactory;
  30
  31 /**
  32  * Tracks JS module dependencies
  33  *
  34  * @author Jonathan Gilbert - Initial contribution
  35  * @author Jan N. Klug - Refactored to new WatchService
  36  */
  37 @Component(service = JSDependencyTracker.class)
  38 @NonNullByDefault
  39 public class JSDependencyTracker extends AbstractScriptDependencyTracker {
  40
  41     private final Logger logger = LoggerFactory.getLogger(JSDependencyTracker.class);
  42
  43     public static final String LIB_PATH = String.join(File.separator, "automation", "js", "node_modules");
  44
  45     @Activate
  46     public JSDependencyTracker(@Reference(target = WatchService.CONFIG_WATCHER_FILTER) WatchService watchService) {
  47         super(watchService, LIB_PATH);
  48
  49         if (Files.isRegularFile(this.libraryPath)) {
  50             logger.warn("Trying to watch directory '{}', however it is a file", this.libraryPath);
  51         }
  52     }
  53
  54     @Deactivate
  55     public void deactivate() {
  56         super.deactivate();
  57     }
  58
  59     @Reference(cardinality = ReferenceCardinality.MULTIPLE, policy = ReferencePolicy.DYNAMIC, unbind = "removeChangeTracker")
  60     public void addChangeTracker(ScriptDependencyTracker.Listener listener) {
  61         super.addChangeTracker(listener);
  62     }
  63
  64     public void removeChangeTracker(ScriptDependencyTracker.Listener listener) {
  65         super.removeChangeTracker(listener);
  66     }
  67 }