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
  17 import org.eclipse.jdt.annotation.NonNullByDefault;
  18 import org.openhab.core.OpenHAB;
  19 import org.openhab.core.automation.module.script.ScriptDependencyTracker;
  20 import org.openhab.core.automation.module.script.rulesupport.loader.AbstractScriptDependencyTracker;
  21 import org.osgi.service.component.annotations.Activate;
  22 import org.osgi.service.component.annotations.Component;
  23 import org.osgi.service.component.annotations.Deactivate;
  24 import org.osgi.service.component.annotations.Reference;
  25 import org.osgi.service.component.annotations.ReferenceCardinality;
  26 import org.osgi.service.component.annotations.ReferencePolicy;
  27 import org.slf4j.Logger;
  28 import org.slf4j.LoggerFactory;
  29
  30 /**
  31  * Tracks JS module dependencies
  32  *
  33  * @author Jonathan Gilbert - Initial contribution
  34  */
  35 @Component(service = JSDependencyTracker.class)
  36 @NonNullByDefault
  37 public class JSDependencyTracker extends AbstractScriptDependencyTracker {
  38
  39     private final Logger logger = LoggerFactory.getLogger(JSDependencyTracker.class);
  40
  41     public static final String LIB_PATH = String.join(File.separator, OpenHAB.getConfigFolder(), "automation", "js",
  42             "node_modules");
  43
  44     public JSDependencyTracker() {
  45         super(LIB_PATH);
  46     }
  47
  48     @Activate
  49     public void activate() {
  50         File directory = new File(LIB_PATH);
  51         if (!directory.exists()) {
  52             if (!directory.mkdirs()) {
  53                 logger.warn("Failed to create watched directory: {}", LIB_PATH);
  54             }
  55         } else if (directory.isFile()) {
  56             logger.warn("Trying to watch directory {}, however it is a file", LIB_PATH);
  57         }
  58
  59         super.activate();
  60     }
  61
  62     @Deactivate
  63     public void deactivate() {
  64         super.deactivate();
  65     }
  66
  67     @Reference(cardinality = ReferenceCardinality.MULTIPLE, policy = ReferencePolicy.DYNAMIC, unbind = "removeChangeTracker")
  68     public void addChangeTracker(ScriptDependencyTracker.Listener listener) {
  69         super.addChangeTracker(listener);
  70     }
  71
  72     public void removeChangeTracker(ScriptDependencyTracker.Listener listener) {
  73         super.removeChangeTracker(listener);
  74     }
  75 }