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

   1 /**
   2  * Copyright (c) 2010-2022 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.jrubyscripting.internal.watch;
  14
  15 import java.io.File;
  16 import java.nio.file.Path;
  17 import java.nio.file.WatchEvent;
  18 import java.util.Objects;
  19
  20 import org.eclipse.jdt.annotation.Nullable;
  21 import org.openhab.automation.jrubyscripting.internal.JRubyScriptEngineFactory;
  22 import org.openhab.core.automation.module.script.ScriptDependencyTracker;
  23 import org.openhab.core.automation.module.script.ScriptEngineFactory;
  24 import org.openhab.core.automation.module.script.ScriptEngineManager;
  25 import org.openhab.core.automation.module.script.rulesupport.loader.AbstractScriptFileWatcher;
  26 import org.openhab.core.automation.module.script.rulesupport.loader.ScriptFileReference;
  27 import org.openhab.core.service.ReadyService;
  28 import org.osgi.framework.Constants;
  29 import org.osgi.service.component.annotations.Activate;
  30 import org.osgi.service.component.annotations.Component;
  31 import org.osgi.service.component.annotations.Reference;
  32 import org.slf4j.Logger;
  33 import org.slf4j.LoggerFactory;
  34
  35 /**
  36  * Monitors <openHAB-conf>/automation/ruby for Ruby files, but not libraries in lib or gems
  37  *
  38  * @author Cody Cutrer - Initial contribution
  39  */
  40 @Component(immediate = true, service = ScriptDependencyTracker.Listener.class)
  41 public class JRubyScriptFileWatcher extends AbstractScriptFileWatcher {
  42     private final Logger logger = LoggerFactory.getLogger(JRubyScriptFileWatcher.class);
  43
  44     private static final String FILE_DIRECTORY = "automation" + File.separator + "ruby";
  45
  46     private final JRubyScriptEngineFactory scriptEngineFactory;
  47
  48     @Activate
  49     public JRubyScriptFileWatcher(final @Reference ScriptEngineManager manager,
  50             final @Reference ReadyService readyService, final @Reference(target = "(" + Constants.SERVICE_PID
  51                     + "=org.openhab.automation.jrubyscripting)") ScriptEngineFactory scriptEngineFactory) {
  52         super(manager, readyService, FILE_DIRECTORY);
  53
  54         this.scriptEngineFactory = (JRubyScriptEngineFactory) scriptEngineFactory;
  55     }
  56
  57     @Override
  58     protected void importFile(ScriptFileReference ref) {
  59         if (isIgnored(ref.getScriptFileURL().getFile())) {
  60             return;
  61         }
  62         super.importFile(ref);
  63     }
  64
  65     @Override
  66     protected void processWatchEvent(@Nullable WatchEvent<?> event, WatchEvent.@Nullable Kind<?> kind,
  67             @Nullable Path path) {
  68         if (Objects.nonNull(path)) {
  69             logger.trace("looking at {}", path);
  70             if (!isIgnored(path.toString())) {
  71                 logger.trace("and propagating it");
  72                 super.processWatchEvent(event, kind, path);
  73             }
  74         }
  75     }
  76
  77     private boolean isIgnored(String path) {
  78         return scriptEngineFactory.isFileInGemHome(path) || scriptEngineFactory.isFileInLoadPath(path);
  79     }
  80 }