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   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.io.imperihome.internal.handler;
  14
  15 import java.net.URLDecoder;
  16 import java.nio.charset.StandardCharsets;
  17 import java.util.regex.Matcher;
  18
  19 import javax.servlet.http.HttpServletRequest;
  20
  21 import org.openhab.io.imperihome.internal.model.device.AbstractDevice;
  22 import org.openhab.io.imperihome.internal.processor.DeviceRegistry;
  23 import org.slf4j.Logger;
  24 import org.slf4j.LoggerFactory;
  25
  26 /**
  27  * Device action request handler.
  28  *
  29  * @author Pepijn de Geus - Initial contribution
  30  */
  31 public class DeviceActionHandler {
  32
  33     private final Logger logger = LoggerFactory.getLogger(DeviceActionHandler.class);
  34
  35     private final DeviceRegistry deviceRegistry;
  36
  37     public DeviceActionHandler(DeviceRegistry deviceRegistry) {
  38         this.deviceRegistry = deviceRegistry;
  39     }
  40
  41     public void handle(HttpServletRequest req, Matcher urlMatcher) {
  42         String deviceId, action, value;
  43         deviceId = URLDecoder.decode(urlMatcher.group(1), StandardCharsets.UTF_8);
  44         action = URLDecoder.decode(urlMatcher.group(2), StandardCharsets.UTF_8);
  45
  46         if (urlMatcher.group(3) == null) {
  47             value = null;
  48         } else {
  49             value = URLDecoder.decode(urlMatcher.group(3), StandardCharsets.UTF_8);
  50         }
  51
  52         logger.debug("Action request for device {}: [{}] [{}]", deviceId, action, value);
  53
  54         AbstractDevice device = deviceRegistry.getDevice(deviceId);
  55         if (device == null) {
  56             logger.warn("Received action request for unknown device: {}", urlMatcher.group(0));
  57         } else {
  58             device.performAction(action, value);
  59         }
  60     }
  61 }